A dimethyl ether of resveratrol, known as pterostilbene, listed as an antioxidant and skin-conditioning ingredient.
What it is
Resveratrol dimethyl ether is pterostilbene, a stilbene in which two of the three hydroxyl groups of resveratrol are replaced by methoxy groups; it occurs naturally in blueberries, among other plants. CosIng lists it as an antioxidant and skin-conditioning ingredient.
Where it is used
Appears on the ingredient lists of a small number of products.
Limits of interpretation
The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.
The INCI name does not reveal whether it was extracted from plants or produced synthetically.
Functions
- Antioxidant
- Inhibiting reactions promoted by oxygen, thus avoiding oxidation and rancidity.
- Skin conditioning
- Maintaining the skin in good condition.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.