Propanediol
Generally has low toxicity and sensitization potential. Mild skin or eye irritation may occur at high concentrations, but no significant endocrine or carcinogenic concern has been established.
Why Oh Daisey rates it this way
Generally has low toxicity and sensitization potential. Mild skin or eye irritation may occur at high concentrations, but no significant endocrine or carcinogenic concern has been established.
What it does
Improves hydration, ingredient solubility, and product feel.
How to read this rating
This rating reflects the Oh Daisey ingredient standard and the evidence currently available for cosmetic use. Product safety can also depend on concentration, exposure route, formulation, manufacturing quality, and individual sensitivity.