Products Description Lactic acid is a naturally occurring alpha hydroxy acids (or AHAs) produced by fermentation of sugars. It is the alpha hydroxy acid most frequently used for peel products. Synonym: 2-Hydroxypropanoic acid. Concentration: 88% (12% water). Grade: CG. Benefits Very useful to rejuvenate the skin by encouraging the shedding of old surface skin cells Can reduce the appearance of fine lines, irregular pigmentation, age spots & decreases enlarged pores Good choice for first-time peel users or for those with sensitive skin Often used in creams & lotions at a lower concentration for a more gentle acid-based peel. Use Typical use level is between 1-20%. Applications Peels, creams, lotions, masks, cleansers. Due to it's acidity the final product needs to be tested for safe pH. Optimal pH range from 3.5-5.0. Some over the counter products, after adding lactic acid, will separate as a result of the low pH, and need to be stabilized.