Polybutylene Glycol/Ppg-9/1 Copolymer vs Propanediol
Polybutylene Glycol/Ppg-9/1 Copolymer and Propanediol are both draws in moisture ingredients. Polybutylene Glycol/Ppg-9/1 Copolymer is found in 1 product while Propanediol appears in 660, making Propanediol the more widely used option.
Polybutylene Glycol/Ppg-9/1 Copolymer
Glycol-based humectant
Propanediol
Draws in moisture