Propylene glycol is a clear, viscous fluid that is recognized as safe for use in foods, cosmetics and medicines. It is a humectant, which means it helps the skin to absorb moisture.
Propylene Glycol is used as a humectant and viscosity decreasing agent in cosmetics. It is an effective solvent and coupling agent and its use can improve freeze/thaw stability of cosmetic emulsions. CIR Review indicates it is safe for use in cosmetic products at concentrations up to 50%.
Propylene Glycol is sold as a cosmetic agent