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Dmdm Hydantoin

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What-it-does: preservative

Details

A controversial preservative that has formaldehyde-releasing properties. It works great against bacteria and also has mild fungicide abilities. 

Cosmetic chemist, Colin wrote a great article about formaldehyde and DMDM Hydantoin.  He writes that formaldehyde is the perfect example of "the dose makes the poison" principle. It's a natural stuff that can also be found in fresh fruits and vegetables, and eating it in tiny amounts is totally ok. However, in larger amounts (according to Wikipedia 30 mL of a solution containing 37% formaldehyde) it's deadly. 

The amount of formaldehyde used in cosmetics either neat or through formaldehyde-releasing preservatives is tiny. Probably that is why the Cosmetic Ingredient Review Broad concluded both in 1988 and in 2008 that DMDM Hydantoin is "safe as used in cosmetics".

However, Colins argues that in the case of formaldehyde-releasing preservatives, formaldehyde is released slowly and the skin has probably not evolved to deal with that. The lingering formaldehyde might be toxic to the Langerhans Cells that are important for the skin's defense system. Another potential issue is that formaldehyde-releasers might also release other things while reacting with amino acids in the skin that is probably the explanation why some people are not allergic to formaldehyde but are allergic to formaldehyde-releasing preservatives. These are all theories, far from proven facts, but we feel that there are some justified reasons why formaldehyde-releasing preservatives and Dmdm Hydantoin count as controversial. 

All in all, it's up to you to decide if you wanna avoid this preservative group or not. If so, there are other, less risky and more skin-friendly options out there.

Show me some proof

  • Kireche, Mustapha, Elena Gimenez‐Arnau, and Jean‐Pierre Lepoittevin. "Preservatives in cosmetics: reactivity of allergenic formaldehyde‐releasers towards amino acids through breakdown products other than formaldehyde." Contact Dermatitis 63.4 (2010): 192-202.

Products with Dmdm Hydantoin

COLOR WOW Dream Coat Stridex Maximum Strength Medicated Pads Fruit of the Earth Aloe Vera 100% Fruit of the Earth Aloe Vera Gel Hick’s Total Transformations Hick’s Edges Stridex Daily Care Acne Pads With Aloe For Sensitive Skin CULLUN Gentle Facial Cleansing Gel SSCPL Herbals Detan Face Pack UNT Cosmetics Aqua Nettoyant Vivier HEXAM Gentle Cleanser Miss Lary Fixador Bruma Neutrogena Anti-Residue Shampoo Neutrogena Shampoo, Anti-Residue Formula Suave Ocean Breeze Shampoo AmPro Shine ‘N Jam Silk Edges Old Spice Pure Sport Plus Body Wash Zapzyt Acne Wash Cleanser CÉLETEQUE DERMOSCIENCE Hydration Facial Moisturizer Dermags Intensive Brightening Cleanser James Read Gradual Tan H2O Tan Mist Noughty Pumped Up Shampoo Revolution Pro Foundation Drops Dr. Jart+ Water Drop Hydrating Moisturiser Neutrogena Rainbath Shower And Bath Gel Pond's Cold Cream Cleanser Pond's Gel Acne Clear Anti-Acne Leave-On Expert Clearing Withthymo-T Essence E.L.F. Cosmetics Superclarify Cleanser Lubriderm Daily Moisture Lotion For Sensitive Skin Aveeno Positively Radiant Brightening Cleanser Pond's Nourishing Moisturizing Cream Greek Yogurt by Hask Honey And Fig Hydrating Deep Conditioner Hair Mask Olay Foaming Cleanser Anthony Logistics Glycolic Facial Cleanser Environ Retinol Serum 3 OGX Cherry Blossom Conditioner Olay Gentle Foaming Cleanser SSCPL Herbals Mix Fruit Cleansing Milk Dermedic Hydrain 3 Hialuro Cream Neutrogena Pure & Free Liquid Spf 50 Neutrogena Sensitive Skin Face Liquid Sunscreen Broad Spectrum Spf 50 Olay Regenerating Serum Olay Regenerist Regenerating Serum (2016 Version) Olay Regenerist Night Recovery Cream Bielenda Coarse-Grain Scrub Diamond Microdermabrasion Effect Faberlic Salon Care Hyaluron Active Plumping Shampoo TRESemmé Heat Defence Styling Spray Vitacreme B12 Regenerative Cream iS Clinical Cleansing Complex Beyond Belief Skin Vitality Lift And Firm Clay Mask Delia Creator | Lash And Brow Enhancing Serum