Propylene Glycol vs Serine Lungene Glycol
Propylene Glycol and Serine Lungene Glycol are both draws in moisture ingredients. Propylene Glycol is found in 455 products while Serine Lungene Glycol appears in 1, making Propylene Glycol the more widely used option.
Propylene Glycol
Moisture-binding humectant and penetration enhancer
Serine Lungene Glycol
Glycol-based humectant