OH DAISEY INGREDIENT LIBRARY
Thioctic Acid
Topical alpha-lipoic acid can cause irritation, stinging, redness, or contact sensitivity in some individuals, particularly at higher concentrations. Overall systemic toxicity concern from cosmetic exposure is low.
OH DAISEY VERDICT
Use With Caution
Evidence level: Moderate
Why Oh Daisey rates it this way
Topical alpha-lipoic acid can cause irritation, stinging, redness, or contact sensitivity in some individuals, particularly at higher concentrations. Overall systemic toxicity concern from cosmetic exposure is low.
What it does
Antioxidant, Skin Conditioning
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.