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In a recent trade journal article, Katerina Steventon Ph.D., talked about new studies done on preservatives that are commonly used in skincare products. As I shared in my article, Parabens and Preservatives that may be found here: http://greatnewskin.com/pages/parabens-and-preservatives
Product preservation is required for global entry sales to consumers, and for the safety of us all, from a health standpoint. Within the industry, and amongst consumers, there is confusion and controversy.
Dr. Steventon cites a recent study done by the Danish Environmental Protection Agency, to evaluate the risks of preservatives in cosmetic products. It’s assessment of 53 preservatives showed an allergen risk from three: DMDM hydantoin, imidazolidinyl urea and thimerosal. On a global level, mainly driven by consumer demand, the use of parabens in products is down, and phenoxyethanol is now the highest use alternative.
Denmark has lobbied for the preservative, methylisothiazolinone (MI) a synthetic preservative biocide that is used in sun and skincare products, to be banned. In the US, we have seen an alarming trend in skincare products, particularly Anti Aging products of the use of Sodium Hydroxide and Aluminum Hydroxide, which is a lye base.
http://en.wikipedia.org/wiki/Lye and highly alkaline. Healthy skin pH is 4-5.5 on average, nor do bacteria like acidic environments.
Wikipedia says this:
A lye is a liquid obtained by leaching ashes (containing largely potassium carbonate or "potash"), or a strong alkali which is highly soluble in water producing caustic basic solutions. "Lye" is commonly the alternative name of sodium hydroxide (NaOH) or historically potassium hydroxide(KOH).
Some of the products containing Sodium Hydroxide include:
Murad Advanced Active Radiance, SkinCeuticals A.G.E. Eye Complex, VERSO Day Cream, Caudalie Anti-Wrinkle Defense Serum & Cru, Caudalie Premier The Eye Cream, Proactiv Complexion Perfecting Hydrator, Algenist Anti-Aging Eye & Genius Cream, and Clarisonic Opal Anti-Aging Sea Serum, Epionce Melanocyte Pigment Perfecting Serum, and Epionce Facial Lotion.
The EU voted to limit the use of Propyl & Butyl Parabens and ban them for use < age 3, as well as ban the use of 5 parabens in cosmetics Isopropylparaben, Isobutylparaben, Phenylparaben, Benzylparaben, Pentylparaben effective for all products placed on the market after October 30 of 2014... many USA Anti Aging & Skincare products would be in trouble, like the $225 Bionic Anti-Aging® and SkinCeuticals Epidermal Repair®… (EC Commission Regulation (EU) No 358/2014) See ingredients:
For detail nerds like me, here is a more comprehensive breakdown: