What is Ascorbyl Palmitate?
Chemically, Ascorbyl Palmitate is an active ingredient. An oil-soluble vitamin C ester rated 2/5. As a palmitate ester it is sometimes avoided for fungal acne.
Where Ascorbyl Palmitate shows up
Ascorbyl Palmitate is commonly formulated into targeted treatment products. Separately from clogging, its irritancy is rated 0/5 — low, so it's unlikely to sting or sensitise on its own.
Is Ascorbyl Palmitate bad for acne-prone skin?
Because it barely registers on the comedogenic scale, Ascorbyl Palmitate is generally a safe pick for breakout-prone skin and is often recommended as a gentler alternative to heavier ingredients.
Note for fungal-acne (malassezia) sufferers: Ascorbyl Palmitate is commonly avoided in fungal-acne routines, since it falls into the fatty-acid or ester families the yeast can feed on. The evidence there is looser than for comedogenicity — see our fungal-acne checker for context.