Panthenol
Approved
Humectant; Skin- and Hair-Conditioning Agent
Also Known As
Provitamin B5; D-Panthenol; DL-Panthenol
CAS Number
81-13-0; 16485-10-2
What It Does
Improves hydration, softness, barrier support, and hair manageability.
Why Oh Daisey Rates It This Way
Generally has low irritation and sensitization potential. Rare allergic contact reactions have been reported, but no significant systemic or carcinogenic toxicity has been established at cosmetic-use concentrations.
Evidence Level
Strong