Ethyl Ascorbic Acid is a derivative of Vitamin C that is widely used in cosmetic formulations due to its stability, the ease with which it is absorbed by the skin, and the low amount of irritation experienced when applied to the skin. It is used to provide skin lightening, support collagen production, provide UV protection, reduce visible signs of aging, among other things. Ethyl Ascorbic Acid is water and oil soluble and should be used in concentrations between 0.5% and 3%. In a 1% aqueous solution, the pH should be 3.5-5.5. This is for cosmetic use only. By bidding on this product, the buyer agrees that neither the seller, eBay nor PayPal will be held responsible in any way for any damages or injuries brought about by the use of this product. The buyer also affirms that he or she is.