The Cosmetic Ingredient Review Expert Panel assessed glycerin's safety across multiple uses—from humectant (moisture-binder) to skin protectant to viscosity agent—and found no safety concerns at the concentrations typically used in cosmetics. The conclusion is based on reviewed animal and human data, though the abstract doesn't specify what those studies showed or what concentration limits they deemed safe.
Expert panel reviewed existing animal and human safety data on glycerin across its various cosmetic functions to determine if it's safe for consumer use.
Funding not disclosed in abstract