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Steareth 21

* An emulsifier

Steareth 21 is a polyethylene glycol ether made from stearic acid. It is used as an emulsifier in cosmetics and personal care products, including makeup, lotions, personal cleanliness products and deodorants, as well as suntan, fragrance, skin, eye and hair care products. The Steareths are "prepared by reacting ethylene oxide with stearyl alcohol where the numerical value in the name corresponds to the average number of units of ethylene oxide. Therefore, Steareth 21 is prepared using an average of 21 units of ethylene oxide reacted with stearyl alcohol, and is relatively liquid compared to higher Steareth values, which become waxy solids (CosmeticsInfo.org and other research).

* An emulsifier

Functions:

Steareth 21 is a polyethylene glycol ether made from stearic acid. It is used as an emulsifier in cosmetics and personal care products, including makeup, lotions, personal cleanliness products and deodorants, as well as suntan, fragrance, skin, eye and hair care products. The Steareths are "prepared by reacting ethylene oxide with stearyl alcohol where the numerical value in the name corresponds to the average number of units of ethylene oxide. Therefore, Steareth 21 is prepared using an average of 21 units of ethylene oxide reacted with stearyl alcohol, and is relatively liquid compared to higher Steareth values, which become waxy solids (CosmeticsInfo.org and other research).

Steareth 21 is FDA and CIR approved.

Safety Measures/Side Effects:

Steareth 21 is considered a low hazard ingredient by the Cosmetics Database. There are some concerns regarding the contamination of Steareth 21 with small amounts of 1,4-dioxane, a by-product of ethoxylation and a known toxin. However, this contamination can be controlled through purification and is not considered a likely hazard in cosmetics or personal care products.

Recommended Products w/ Steareth 21:

Astara Blue Flame Purification Mask, Payot Optimale Regenerating Care, Skin2Skin Care Anti-Wrinkle Night Recovery, The Body Shop’s Vitamin E Skin Care Line, Xen Tan Deep Bronze Body Tanner and Face Tanner, Dermophisiologique Minerals, Neocutis Journee Biorestorative Day Cream, Xen Tan Gradual Self Tan, Tresemme Curl Hydration Lotion Creme, Gold Bond Ultimate Restoring Skin Therapy Lotion, Kronos Phyx Overnight Repair Mask, DermaSilk Miracle Cream, Epionce Renewal Eye Cream
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