A plant-derived lignan polyphenol used as an antioxidant.
What it is
Nordihydroguaiaretic acid, abbreviated NDGA, is a lignan with two catechol groups (4,4'-(2,3-dimethyltetramethylene)dipyrocatechol), known as a constituent of the creosote bush, Larrea tridentata. CosIng lists it as an antioxidant.
Where it is used
Found in a small number of products, where it protects oils and other ingredients from oxidation.
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 isolated from plants or synthesised.
Functions
- Antioxidant
- Inhibiting reactions promoted by oxygen, thus avoiding oxidation and rancidity.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.
Products with this ingredient (6)
- Resist Anti-Aging 2% BHA Exfoliant · Paula's Choice
- Przeciwzmarszczkowy Płyn Złuszczający Resist Anti-Aging 2% BHA Exfoliant – Paula's Choice · Paula's Choice
- tonik normalizujący · Ziaja
- tonik sebo-kontrol przeciw niedoskonałościom · Ziaja
- żel myjący sebo-kontrol przeciw niedoskonałościom · Ziaja
- Herbaderm Dry Touch Sun Fluid SPF50+ Yoğun Nemlendirici Likit Güneş Koruyucu · Herbaderm