Poly - Glycerin-4 vs Serine Lungene Glycol
Poly - Glycerin-4 and Serine Lungene Glycol are both draws in moisture ingredients. Poly - Glycerin-4 is found in 1 product while Serine Lungene Glycol appears in 1, making Poly - Glycerin-4 the more widely used option.
Poly - Glycerin-4
Draws in moisture
Serine Lungene Glycol
Glycol-based humectant