Ascorbyl Tetraisopalmitate ●
TL;DR. It is an oil-soluble antioxidant and skin-conditioning active used in serums, creams, and anhydrous formulas. Its main role is to support tone-evening claims while helping protect the formula’s oil phase from oxidation.
What does Ascorbyl Tetraisopalmitate do in a cosmetic formula?
It is an oil-soluble antioxidant and skin-conditioning active used in serums, creams, and anhydrous formulas. Its main role is to support tone-evening claims while helping protect the formula’s oil phase from oxidation.
Is Ascorbyl Tetraisopalmitate clean?
It is generally well tolerated because it is neutral and oil-soluble, with lower sting potential than acidic water-based antioxidant systems. Clean-standard friction is usually about synthetic processing, residual solvents or catalysts, and fatty-chain sourcing rather than routine restricted-list status.
Is Ascorbyl Tetraisopalmitate sustainable?
This material is commonly made by esterifying a bio-derived antioxidant core with fatty acids that may come from palm, coconut, or synthetic routes, so traceability matters. The ester bonds support biodegradation, but its high lipophilicity means it is less immediately water-biodegradable than small water-soluble antioxidants.
Is Ascorbyl Tetraisopalmitate COSMOS-approved?
It can fit COSMOS-natural only when the feedstocks and esterification route meet the standard’s permitted-process rules; it is not automatically COSMOS-organic because certification depends on supplier documentation and organic content calculations. From a Green Chemistry lens, it scores better when renewable fatty acids, benign solvents, and efficient esterification are used, with a caveat around branched fatty-chain sourcing and process residues.
How does Ascorbyl Tetraisopalmitate work chemically?
The molecule is a lipophilic tetraester built from a six-carbon lactone antioxidant core esterified with four branched C16 fatty-acid chains. Typical cosmetic use is about 0.1 to 3%, with higher active-positioning formulas sometimes using more; it is best handled in the oil phase below high heat and paired with oxygen-light protective packaging because the antioxidant core can still oxidize over time.
Last updated 2026-05-13