A biphenyl compound from magnolia bark, used as an antioxidant and skin-conditioning ingredient.
What it is
Honokiol is 3,5'-diallyl-4,2'-dihydroxybiphenyl, a neolignan found in the bark of magnolia trees and an isomer of magnolol. CosIng lists it as an antioxidant, bleaching and skin-conditioning ingredient.
Where it is used
Found in a small number of skin care and oral 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.
- Bleaching
- Bleaching or lightening the shade of hair and/or skin.
- 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.