A plant polyphenol used as an antioxidant and soothing ingredient.
What it is
Rosmarinic acid is a polyphenol, the ester of caffeic acid and 3,4-dihydroxyphenyllactic acid. It occurs naturally in rosemary, lemon balm and other plants of the mint family. CosIng lists it as an antioxidant and soothing ingredient.
Where it is used
Found in serums, creams and other skin care 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 show whether it was isolated from plants or made synthetically.
Functions
- Antioxidant
- Inhibiting reactions promoted by oxygen, thus avoiding oxidation and rancidity.
- Soothing
- Lightening discomfort of the skin or of the scalp.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.