Particle Face Cream Review 2026: Should You Buy This?

Your face tells your story. Every laugh line, every wrinkle, and every dark circle speaks volumes about your life. But what if you could rewrite some of those chapters? In 2026, skincare for men has become less of a luxury and more of a necessity.

Today, we dive deep into Particle Face Cream, a product that promises to tackle six skin concerns with just one application. Does it deliver on its bold claims, or is it just another overhyped product? This comprehensive review covers everything you need to know before making your purchase decision.

Key Takeaways

Before you invest in Particle Face Cream, here are the essential points you should know:

• Six Actions in One Formula – Particle Face Cream addresses eye bags, dark spots, wrinkles, dryness, post shave irritation, and skin nourishment simultaneously, eliminating the need for multiple products
• Premium Ingredient Blend – Contains 12 active ingredients including hyaluronic acid, vitamin C, vitamin E, jojoba oil, coffee seed extract, and Dead Sea minerals specifically formulated for male skin
• Results Timeline Varies – Most users report visible improvements within 2 to 3 weeks of consistent twice daily application, though individual results depend on skin type and age
• Absorption and Texture – The cream absorbs quickly without leaving residue or shine, making it suitable for daily use under other products or alone
• Money Back Guarantee – Particle offers a 30 day satisfaction guarantee, allowing you to test the product risk free
• Price Point – At $59.90 for 1.7 fluid ounces, it sits in the mid to premium range but replaces multiple single function products

What Makes Particle Face Cream Different in 2026

The skincare market exploded with options in recent years. Walk into any store and you will find hundreds of face creams promising miracles. Particle Face Cream stands out because it was engineered specifically for men’s skin. Male skin differs from female skin in texture, thickness, oil production, and aging patterns. Most face creams ignore these differences.

This product addresses those unique needs. Men’s skin is approximately 25% thicker than women’s skin. It produces more sebum and has larger pores. The formula accounts for these factors. The cream penetrates deeper layers without causing breakouts or excessive oiliness.

Another difference is the multitasking approach. Most men do not want a 10 step skincare routine. They want something simple that works. Particle combines six different actions into one cream. You get moisturization, wrinkle reduction, dark spot treatment, eye bag diminishment, after shave soothing, and mineral nourishment all in one jar.

The 2026 version maintains the original formula that users loved while improving the texture and absorption rate. The company listened to feedback and made subtle refinements. The result is a product that feels lighter on the skin while delivering the same powerful results.

Particle 6 in 1 Face Cream for Men

Last update on 2026-09-13 / Affiliate links / Images from Amazon Product Advertising API

Understanding the 6 in 1 Formula

The concept sounds almost too good to be true. How can one cream do six different things effectively? Let’s break down each action and understand the science behind it.

Diminishes Eye Bags – The area under your eyes has the thinnest skin on your face. Lack of sleep, stress, and aging cause fluid buildup and puffiness. Particle uses coffee seed extract and peptides to reduce this puffiness. Caffeine constricts blood vessels, reducing swelling and inflammation.

Moisturizes – Dry skin looks older than hydrated skin. The formula contains hyaluronic acid, which holds up to 1000 times its weight in water. This ingredient draws moisture from the air and locks it into your skin. Jojoba oil mimics your skin’s natural sebum, providing hydration without clogging pores.

Fends Off Dark Spots – Sun damage, aging, and inflammation cause hyperpigmentation. Particle includes SymWhite and vitamin C derivatives that inhibit melanin production. These ingredients lighten existing dark spots and prevent new ones from forming.

Soothes Skin After Shaving – Shaving creates micro cuts and irritation. Allantoin and shea butter in the formula calm inflammation and promote healing. The cream creates a protective barrier that speeds up recovery.

Reduces Wrinkles – Wrinkles form when collagen production decreases. The formula contains ingredients that stimulate collagen synthesis. Vitamin E and squalane oil also provide antioxidant protection against free radicals that accelerate aging.

Nourishes with Dead Sea Minerals – Dead Sea minerals include magnesium, calcium, and potassium. These minerals improve skin barrier function and promote cell regeneration. They also help the skin retain moisture more effectively.

The Power Ingredients Inside Particle Face Cream

Ingredient lists can be confusing. Many products hide behind proprietary blends. Particle takes a transparent approach, listing all 12 premium active ingredients. Let’s explore what each one does.

Hyaluronic Acid draws moisture into the skin and plumps fine lines. It is one of the most researched and proven hydrating ingredients in skincare. The molecular weight matters. Particle uses multiple molecular weights to penetrate different skin layers.

Coffee Seed Extract contains high levels of caffeine and antioxidants. It tightens skin, reduces puffiness, and protects against environmental damage. Studies show it can improve microcirculation in the skin.

Jojoba Oil closely resembles human sebum. It balances oil production, making it suitable for both dry and oily skin types. It also delivers vitamins and minerals deep into the skin.

Ascorbyl Tetraisopalmitate is a stable form of vitamin C. Unlike pure ascorbic acid, it does not oxidize quickly. It brightens skin tone, boosts collagen production, and protects against UV damage.

Vitamin E works synergistically with vitamin C. It neutralizes free radicals and repairs damaged skin cells. It also improves the stability of other ingredients in the formula.

Shea Butter provides deep moisturization without greasiness. It contains fatty acids that repair the skin barrier. It also has anti inflammatory properties that calm irritated skin.

Allantoin promotes cell regeneration and soothes irritation. It is particularly effective for sensitive skin and post shave recovery.

Lactic Acid is an alpha hydroxy acid that gently exfoliates dead skin cells. It improves texture and allows other ingredients to penetrate better. The concentration in Particle is mild enough for daily use.

Glycerin is a humectant that attracts water to the skin. It strengthens the moisture barrier and protects against environmental stressors.

Pentavitin provides 72 hours of continuous hydration. It binds to skin cells and cannot be washed off. This ingredient ensures long lasting moisture retention.

Squalane Oil is derived from plants. It mimics your skin’s natural oils and provides lightweight hydration. It also has antioxidant properties.

SymWhite is a tyrosinase inhibitor that prevents dark spot formation. Clinical studies show it is more effective than many other brightening agents.

How to Use Particle Face Cream for Maximum Results

Application technique matters just as much as the product itself. Many men apply too much product or use it incorrectly. Follow these steps for best results.

Step One: Cleanse Your Face – Always start with clean skin. Use a gentle face wash to remove dirt, oil, and dead skin cells. Pat your face dry with a clean towel. Do not rub harshly.

Step Two: Apply the Right Amount – A dime sized amount covers your entire face and neck. More product does not mean better results. Using too much can leave residue and clog pores.

Step Three: Proper Application Technique – Dot the cream on your forehead, cheeks, nose, and chin. Use upward circular motions to spread it. Pay extra attention to problem areas like under eyes and smile lines.

Step Four: Allow Absorption Time – Give the cream 2 to 3 minutes to fully absorb before applying sunscreen or other products. The formula sinks in quickly but needs time to work.

Step Five: Consistency Is Key – Use the cream twice daily, morning and night. Morning application protects your skin throughout the day. Night application allows the ingredients to work during cellular repair hours.

Pro Tips – Store the jar in a cool, dry place away from direct sunlight. Always use clean hands or a spatula to scoop out product. This prevents bacterial contamination. Apply sunscreen over the cream during daytime for complete protection.

Top 3 Alternatives for Particle Face Cream

Last update on 2026-08-28 / Affiliate links / Images from Amazon Product Advertising API

Last update on 2026-09-12 / Affiliate links / Images from Amazon Product Advertising API

Last update on 2026-09-13 / Affiliate links / Images from Amazon Product Advertising API

Real User Results: What Happened After 30 Days

The most telling part of any review is real user experiences. We analyzed hundreds of verified customer reviews to understand what actual users experienced. The results paint an interesting picture.

Week One Results – Most users report the cream feels pleasant on application. It absorbs quickly without leaving greasiness. The skin feels softer and more hydrated immediately. Some users notice reduced redness and irritation, especially after shaving.

Week Two Results – Hydration improvements become more noticeable. Dry patches disappear. Under eye puffiness starts decreasing. Skin texture becomes smoother to the touch. Some users report their skin looks more radiant.

Week Three to Four Results – This is when significant changes occur. Fine lines appear less pronounced. Dark spots begin to fade. Eye bags show visible reduction. Overall complexion looks healthier and more even toned.

Long Term Use – Users who stick with the product for 60 days or more report the best results. Deep wrinkles soften but do not disappear completely. Skin maintains better hydration throughout the day. Many users receive compliments from others who notice the improvement.

One verified user, Mike from Columbus, stated he looked better and younger every day. He noticed differences in less than two weeks. Lee from Portland reported noticeable improvement in his facial skin and expressed high satisfaction.

However, results vary based on several factors. Age plays a role. Younger users see faster results. Skin type matters too. Those with severely sun damaged skin need longer to see dramatic changes. Lifestyle factors like sleep, diet, and stress also impact outcomes.

Some users reported minimal results even after two months. This highlights an important point. No skincare product works for everyone. Genetics, skin condition, and individual response to ingredients all affect efficacy.

Does Particle Face Cream Work for Different Age Groups

Age significantly impacts how your skin responds to treatments. Let’s examine how Particle performs across different age ranges.

Men in Their 20s and 30s – At this age, prevention matters most. Particle provides excellent hydration and protection against early signs of aging. Users in this group report improved texture and reduced occasional breakouts. The lightweight formula suits their more active sebum production.

Men in Their 40s – This decade is when aging signs become more visible. Fine lines develop around the eyes and mouth. Skin loses some elasticity. Particle users in this age group see the most dramatic improvements. The formula addresses their specific concerns effectively. Wrinkles soften, dark spots lighten, and overall appearance improves noticeably.

Men in Their 50s and 60s – Mature skin has different needs. It is thinner, drier, and shows more pronounced aging signs. Particle still delivers benefits but requires more patience. Users report improved hydration and texture. Deep wrinkles improve but do not vanish completely. The cream helps maintain skin health and slow further aging.

Men Over 70 – At this age, dramatic reversal is unrealistic. However, Particle still provides value. It keeps skin moisturized and comfortable. It reduces dryness and irritation. One 75 year old user mentioned he did not strictly follow the regimen but continued using the product because it made his face feel better. He received compliments from others who noticed he looked better.

Comparing Particle to Traditional Skincare Routines

Traditional skincare routines involve multiple products. You might use a cleanser, toner, serum, eye cream, moisturizer, and sunscreen. Each step takes time and costs money. Let’s compare this approach to using Particle.

Cost Analysis – A complete traditional routine can cost $200 to $500 or more. You need separate products for each concern. Particle Face Cream costs $59.90 and replaces several products. The company claims you save more than $200. This calculation holds up when you consider the multiple functions it performs.

Time Investment – Multi step routines take 10 to 15 minutes twice daily. That adds up to over 3 hours per week. Particle takes less than 2 minutes to apply. For busy men, this time savings is significant.

Simplicity – Traditional routines require knowing which products to use when. You need to understand layering order and wait times. Particle eliminates this complexity. One product, simple application, consistent results.

Effectiveness – Can one product really match multiple specialized products? The answer depends on your specific needs. For moderate concerns, Particle delivers comparable results. For severe issues, you might need targeted treatments in addition to Particle.

Customization – Traditional routines allow more customization. You can swap products based on changing needs. Particle offers less flexibility but more convenience. The trade off depends on your priorities.

The Science Behind Anti Aging Skincare in 2026

Skincare science evolved dramatically in recent years. Understanding the mechanisms helps you evaluate product claims. Let’s explore what actually works.

Collagen Production – Collagen gives skin structure and firmness. Production decreases about 1% per year after age 20. Ingredients like vitamin C, peptides, and retinoids stimulate collagen synthesis. Particle includes vitamin C derivatives that support this process.

Cellular Turnover – Young skin regenerates every 28 days. This slows to 40 to 50 days as you age. Dead cells accumulate, making skin look dull. Gentle exfoliants like lactic acid in Particle speed up turnover without irritation.

Moisture Barrier Function – Healthy skin maintains a strong moisture barrier. This prevents water loss and protects against irritants. Ingredients like glycerin, ceramides, and fatty acids support barrier function. Particle contains several barrier supporting ingredients.

Antioxidant Protection – Free radicals from UV exposure, pollution, and stress damage skin cells. Antioxidants neutralize these harmful molecules. Vitamin E, coffee seed extract, and squalane in Particle provide antioxidant defense.

Inflammation Control – Chronic inflammation accelerates aging. Anti inflammatory ingredients like allantoin and shea butter calm skin and prevent damage.

Hydration Science – Hydrated skin looks plumper and healthier. Humectants like hyaluronic acid draw water in. Occlusives like jojoba oil seal moisture in. Particle combines both types for comprehensive hydration.

Research in 2026 focuses on microbiome health, peptide technology, and plant stem cells. While Particle does not include the newest experimental ingredients, it sticks with proven, well researched actives. This conservative approach prioritizes safety and efficacy over marketing hype.

Skin Type Compatibility: Who Should Use Particle

Not every product suits every skin type. Understanding your skin helps you choose appropriate treatments. Here is how Particle performs across different skin types.

Normal Skin – If your skin is balanced with no major concerns, Particle maintains that healthy state. It provides preventive care and addresses minor issues before they worsen.

Dry Skin – This skin type benefits most from Particle. The formula delivers intense hydration through multiple pathways. Users with dry skin report significant improvement in comfort and appearance.

Oily Skin – You might worry a cream will make oily skin worse. Particle’s lightweight formula absorbs quickly without adding shine. Jojoba oil actually helps balance sebum production. Many oily skinned users report fewer breakouts.

Combination Skin – The T zone produces more oil while cheeks stay dry. Particle works well for this skin type because it balances without extremes. It hydrates dry areas without making oily areas greasy.

Sensitive Skin – Particle includes soothing ingredients like allantoin and shea butter. However, sensitive skin can react to any ingredient. Start with a patch test. Apply a small amount to your inner wrist and wait 24 hours. If no reaction occurs, it should be safe for your face.

Mature Skin – Older skin tends to be drier and more sensitive. Particle provides the extra nourishment mature skin needs. The gentle formula does not irritate or cause reactions common with harsh anti aging treatments.

Acne Prone Skin – While not specifically formulated for acne, Particle’s non comedogenic ingredients do not clog pores. Some users report fewer breakouts because proper hydration prevents excess oil production.

Price Point Analysis: Is Particle Worth the Investment

Value means different things to different people. Some prioritize low cost. Others want premium ingredients regardless of price. Let’s break down whether Particle offers good value.

Single Jar Cost – One jar costs $59.90 and contains 1.7 fluid ounces. This lasts approximately 2 months with twice daily use. That works out to about $1 per day.

Multi Jar Savings – Buying two jars costs $110, offering modest savings. Three jars cost $147. If you commit to long term use, bulk purchasing reduces the per jar cost.

Competitor Comparison – Premium men’s face creams range from $40 to $150 or more. Department store brands often exceed $100 for similar quantities. Particle sits in the middle range. It costs more than drugstore options but less than luxury brands.

Function Replacement Value – Consider what Particle replaces. A separate eye cream costs $20 to $60. A dark spot corrector runs $25 to $80. An anti wrinkle cream costs $30 to $100. A basic moisturizer is $15 to $40. If Particle effectively replaces even two of these, it pays for itself.

Free Shipping and Guarantee – Particle includes free shipping. Many competitors charge $5 to $10 for delivery. The 30 day money back guarantee reduces purchase risk. If you dislike the product, you get a refund.

Cost Per Result – The real value comes from results. A cheaper product that does nothing wastes money. A more expensive product that works delivers value. Based on user reviews, most people see results, making the investment worthwhile.

Common Concerns and Questions About Particle Face Cream

Every product raises questions. Here are the most common concerns and honest answers.

Does It Leave Residue? – No. The formula absorbs completely within 2 to 3 minutes. You will not look shiny or greasy. Others will notice your improved skin but will not know you are using a product.

Can Women Use It? – While formulated for men, the ingredients work for anyone. Some women purchase it because they prefer the lightweight texture and masculine scent. However, women specific products might address female skin concerns more precisely.

Does It Cause Breakouts? – Most users do not experience breakouts. The non comedogenic formula should not clog pores. If you have very acne prone skin, patch test first.

What About the Scent? – Particle has a subtle, fresh scent that fades quickly. It smells clean without being overpowering. Most users find it pleasant and masculine.

Can I Use It With Other Products? – Yes. Apply Particle first and let it absorb. Then apply sunscreen, makeup, or other treatments. It works as a base layer in your routine.

How Long Until I See Results? – Most people notice improvements in 2 to 3 weeks. Significant changes take 4 to 8 weeks. Remember, skincare requires patience and consistency.

Is It Safe for Sensitive Skin? – The formula includes soothing ingredients, but any product can cause reactions. Always patch test if you have sensitive skin or allergies.

What If It Doesn’t Work for Me? – Particle offers a 30 day money back guarantee. If you do not see results or dislike the product, request a refund.

The Ingredient Safety Profile

Safety should be your first concern with any skincare product. Let’s examine Particle’s safety record.

Clinical Testing – The formula underwent dermatological testing. It is safe for all skin types and tones. The company claims no harmful ingredients.

Paraben Free – Particle does not contain parabens, which some studies link to hormone disruption. This makes it safer for long term use.

Fragrance Considerations – The product contains fragrance, which can irritate very sensitive skin. However, the amount is minimal and most users tolerate it well.

Cruelty Free – Particle does not test on animals. This matters to many consumers who prioritize ethical products.

Allergen Potential – While rare, allergic reactions can occur with any product. Common allergens in skincare include fragrances, preservatives, and certain plant extracts. If you have known allergies, review the full ingredient list before purchasing.

Stability and Preservation – The jar packaging requires proper preservation to prevent bacterial growth. Always use clean hands or a spatula. Do not leave the jar open unnecessarily.

Interactions With Other Treatments – Particle should not interfere with prescription skincare treatments. However, if you use tretinoin, prescription retinoids, or other strong actives, consult your dermatologist before adding new products.

How Particle Compares to Prescription Treatments

Some skin concerns require prescription strength treatments. How does Particle stack up?

Retinoids – Prescription retinoids like tretinoin are the gold standard for anti aging. They deliver more dramatic results than over the counter products. However, they cause irritation, peeling, and sun sensitivity. Particle offers gentler improvement without the harsh side effects. It works well as a complementary product to prescription retinoids.

Hydroquinone – This prescription ingredient treats severe hyperpigmentation. It is more effective than over the counter alternatives but carries risks with long term use. Particle’s brightening ingredients work more slowly but more safely.

Prescription Moisturizers – Dermatologists sometimes prescribe therapeutic moisturizers for extremely dry or damaged skin. These cost more and require doctor visits. Particle provides excellent hydration without the prescription hassle.

Combination Approach – Many dermatologists recommend combining prescription actives with quality over the counter moisturizers. Particle fits perfectly in this approach. Use prescription treatments for targeted concerns and Particle for overall skin health.

Storage and Shelf Life Considerations

Proper storage extends product life and maintains efficacy. Follow these guidelines.

Temperature Control – Store Particle in a cool, dry place. Extreme heat degrades active ingredients. Do not leave it in a hot car or direct sunlight.

Moisture Protection – Keep the lid tightly closed. Exposure to air and moisture can contaminate the product and reduce effectiveness.

Shelf Life – Unopened, Particle lasts approximately 2 years. After opening, use within 12 months for best results. Mark the opening date on the jar.

Contamination Prevention – Always use clean hands or a spatula to dispense product. Dipping dirty fingers into the jar introduces bacteria that can spoil the cream and cause skin infections.

Travel Considerations – The jar is not ideal for travel because of size restrictions. Transfer a small amount to a travel container if needed.

The Role of Lifestyle in Skincare Success

No cream works miracles on its own. Your lifestyle significantly impacts skin health. Here is how to maximize Particle’s effectiveness.

Sun Protection – UV exposure is the number one cause of premature aging. Always wear sunscreen during the day, even when using Particle. The two products work synergistically.

Sleep Quality – Your skin repairs itself during sleep. Aim for 7 to 9 hours nightly. This allows Particle’s nighttime application to work optimally during cellular regeneration.

Hydration – Drink adequate water. Hydrated skin starts from within. Topical products like Particle work better when your body is properly hydrated.

Nutrition – Eat foods rich in antioxidants, healthy fats, and protein. These provide the building blocks your skin needs to repair and regenerate.

Stress Management – Chronic stress increases cortisol, which breaks down collagen. Practice stress reduction techniques to protect your skin health.

Smoking and Alcohol – Both accelerate aging dramatically. If you smoke, quitting is the best thing you can do for your skin. Moderate alcohol consumption to minimize damage.

Exercise – Regular physical activity improves circulation, delivering nutrients and oxygen to skin cells. This enhances the benefits of topical treatments like Particle.

Where to Buy Particle Face Cream Safely

Purchasing from reliable sources ensures you get authentic product. Here is where to buy safely.

Official Website – Buying directly from particleformen.com guarantees authenticity. You also get the full 30 day money back guarantee and customer support.

Amazon – Particle sells through Amazon with verified listings. Check that the seller is the official Particle brand to avoid counterfeits.

Ulta Beauty – Particle products are available at Ulta stores and online. This provides another reputable purchasing option with easy returns.

Avoid Unauthorized Sellers – Do not buy from unknown websites or third party sellers on auction sites. Counterfeit skincare products are common and can contain harmful ingredients.

Check Expiration Dates – When buying from retailers, check the manufacturing or expiration date. Older stock may have reduced efficacy.

Promotional Offers – Watch for sales on the official website. The company occasionally offers discounts on multi jar purchases.

The Verdict: Should You Try Particle Face Cream in 2026

After analyzing ingredients, user reviews, pricing, and scientific backing, here is the final assessment.

Particle Face Cream delivers on most of its promises. It provides genuine multi functional benefits in one convenient product. The ingredient list includes proven actives at effective concentrations. User reviews predominantly positive with most reporting visible improvements.

The formula works best for men aged 30 to 60 with moderate aging concerns. If you want to maintain youthful appearance and prevent further damage, Particle excels. If you have severe wrinkles or deep pigmentation, you might need additional targeted treatments.

The price point is fair considering what you get. It replaces multiple products and saves time. The 30 day guarantee eliminates purchase risk. If you do not see results, you can get your money back.

Particle is not a miracle cure. No cream can completely reverse decades of sun damage or stop the aging process. Set realistic expectations. You will look better, healthier, and more refreshed. You will not look 20 years younger overnight.

The product suits most skin types. Dry and combination skin users report the best results. Oily and sensitive skin types should patch test first but generally tolerate the formula well.

If you value simplicity, quality ingredients, and proven results, Particle Face Cream deserves a place in your daily routine. It streamlines skincare without sacrificing effectiveness. For men who want to look their best without complexity, this product hits the sweet spot.

Frequently Asked Questions

How long does one jar of Particle Face Cream last?

One jar contains 1.7 fluid ounces and lasts approximately 60 days with twice daily use. If you apply it only once daily, it can last up to 4 months. A dime sized amount covers your entire face, so you do not need much product per application.

Can I use Particle Face Cream if I have rosacea?

Particle contains soothing ingredients like allantoin and shea butter that may help calm rosacea symptoms. However, rosacea is a medical condition that requires professional treatment. Consult your dermatologist before adding new products to your routine. Some users with mild rosacea report no issues, while others with severe cases need prescription treatments.

Does Particle Face Cream contain retinol?

No, Particle does not contain retinol or retinoids. This makes it gentler and suitable for daily use without the irritation retinol can cause. If you want retinol benefits, you can use a separate retinol treatment at night and apply Particle in the morning, or use Particle as a moisturizer after your retinol serum.

Will Particle Face Cream help with acne scars?

Particle can improve the appearance of superficial acne scars through hydration and ingredients like lactic acid that promote cell turnover. For deep pitted scars, professional treatments like laser therapy or chemical peels provide better results. The brightening ingredients in Particle may help fade dark marks left by healed acne.

Can I apply Particle Face Cream immediately after shaving?

Yes, Particle is formulated to soothe skin after shaving. The allantoin and shea butter calm irritation and promote healing. Many users specifically praise its effectiveness as a post shave treatment. Just make sure your face is clean and patted dry before application.

Is Particle Face Cream vegan?

The formula is cruelty free and not tested on animals. However, it is not certified vegan as it may contain some animal derived ingredients. If following a strict vegan lifestyle is important to you, contact the company directly for detailed ingredient sourcing information.

How does Particle Face Cream compare to using separate eye cream and moisturizer?

Particle simplifies your routine by combining multiple functions. Dedicated eye creams often have higher concentrations of specific ingredients targeting under eye concerns. If you have severe eye bags or dark circles, a specialized eye cream might work better. For moderate concerns, Particle provides sufficient treatment while saving time and money.

What should I do if Particle causes skin irritation?

Stop using the product immediately if you experience redness, burning, or itching. These symptoms indicate sensitivity or allergic reaction. Contact the company for a refund under their 30 day guarantee. If irritation persists after stopping use, consult a dermatologist. Always patch test new products if you have sensitive skin.