Learn more about lipids with Professor Thomas M. Terry. Fats or triglycerides are formed by three fatty acids each bonded by an ester linkage to glycerol. 1  Twist and turn the lipid below to see how kinky fatty acids are.
Superficial peels are the mildest type of chemical peel. They can be used on all skin types. In most cases, they use liquid containing a mild (dilute) acid, most often glycolic acid. Dry ice (solid carbon dioxide) is sometimes used. Medium peels soak deeper into the skin than superficial peels do.
Medical Definition of CHEMICAL PEEL. : a cosmetic procedure for the removal of facial blemishes and wrinkles involving the application of a caustic chemical and especially an acid (as trichloroacetic acid) to the skin.ADVERTISEMENT.oun. : a cosmetic procedure for the removal of facial blemishes and wrinkles involving the application of a caustic chemical and especially an acid (as trichloroacetic acid) to the skin.