Ascorbyl Tetraisopalmitate is an oil-soluble vitamin C ester bearing four isopalmitate groups, designed for stability and easy use in lipid formulas. It supports a brighter, more even look and holds its performance in serums and oils.
Not typically evaluated for comedogenicity — no standardized rating available.
Our take
Is Ascorbyl Tetraisopalmitate a Good Ingredient?
This rates Good: An oil‑soluble, relatively stable vitamin C ester with supportive but less strong clinical evidence than L‑ascorbic acid for brightening and antioxidant care. Typically low‑irritating and compatible with oils, yet performance may be milder than pure vitamin C.
What it does
Skin Benefits
Helps diminish the look of dark spots and dullness while defending against everyday oxidative stress. Can promote a smoother, more radiant-looking complexion over time.
Where you'll find it
Uses in Skincare & Cosmetics
Often included in moisturizers, ampoules, and eye creams aimed at brightening and antioxidant care.
Before you use it
Safety
Generally well tolerated, with low irritation risk compared to acidic vitamin C forms; sensitive skin may still experience mild stinging or redness. No widely recognized regulatory restrictions for cosmetic use. Patch testing is prudent for very reactive skin.