Products Description Glycolic acid is a naturally occurring alpha hydroxy acids (or AHAs). Synonym: hydroacetic acid. Concentration: 70% (30% water). Grade: CG Benefits Can reduce the appearance of fine lines, irregular pigmentation, age spots & decreases enlarged pores Very useful in exfoliating products as alpha-hydroxy acid peel, or in creams & lotions at a lower concentration for a more gentle acid-based peel Widely used to rejuvenate the skin by encouraging the shedding of old surface skin cells Use Typical use level is between 1-20% (final concentration of glycolic acid).  For making a 10% AHA peel, use about 14.5% of glycolic acid 70, making a 5% AHA peel, use about 7.2%. For home use, it is not recommended to make AHA peels higher than 20% (equals about 28.5% of glycolic acid). 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 glycolic acid, will separate as a result of the low pH, and need to be stabilized.