Glycerin vs Lactic Acid/Glycolic Acid Copolymer
Glycerin and Lactic Acid/Glycolic Acid Copolymer are both draws in moisture ingredients. Glycerin is found in 2427 products while Lactic Acid/Glycolic Acid Copolymer appears in 2, making Glycerin the more widely used option.
Glycerin
One of the most effective humectants
Lactic Acid/Glycolic Acid Copolymer
Glycol-based humectant