Source dependent

The source or production method of retinol can vary, so it is not always vegan.

Names you may see on a label

rétinolretinoliretinolovitamina A (retinolo)Vitamin A (Retinol)vitamina A (retinol)vitamine A (rétinol)

How to verify it

Look for a vegan certification or a manufacturer statement identifying the original source. The ingredient name alone does not settle it.