Thioctic Acid
Alpha-lipoic acid; (R)-5-(1,2-dithiolan-3-yl)pentanoic acid; 1,2-dithiolane-3-pentanoic acid
Universal antioxidant soluble in both water and oil; regenerates other antioxidants including Vitamin C and E; may cause mild tingling or stinging at higher concentrations; INCI name is Thioctic Acid.
Function & Common Use
Antioxidant / Skin-Conditioning Agent / Chelating Agent
Antioxidants
Anti-aging serums, brightening treatments, antioxidant creams
Synthetic / Natural
Concentration Limits
None
None
None
None
Format restriction: None
Baby restriction: No
Pregnancy: No
IFRA: No
Frequently Asked Questions
Is Thioctic Acid safe to use in skincare?
Thioctic Acid has a Low concern rating from The Clean Sheet. Universal antioxidant soluble in both water and oil; regenerates other antioxidants including Vitamin C and E; may cause mild tingling or stinging at higher concentrations; INCI name is Thioctic Acid.
Is Thioctic Acid allowed in India?
Thioctic Acid is currently classified as "Permitted" under Indian cosmetics regulations. The maximum permitted concentration is None.
What is Thioctic Acid used for in cosmetics?
Thioctic Acid functions as: Antioxidant / Skin-Conditioning Agent / Chelating Agent. It is commonly found in: Anti-aging serums, brightening treatments, antioxidant creams.
Can Thioctic Acid cause an allergic reaction?
Yes. Thioctic Acid has an allergen flag (No). If you have sensitive skin or known fragrance/contact allergies, patch-test products containing this ingredient before full use.
Is Thioctic Acid safe for babies?
Thioctic Acid has baby/child restrictions: No. Avoid using products containing this ingredient on infants unless specifically formulated and labelled for baby use.
Regulatory Status
EU Annex: None
Identifiers
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