Skin & Hair Glossary of ingredients & terms. Defining how to best use hair & skin ingredients. Updated regularly.
- Quatrofolate is B9, Folate or Folic Acid. The most authentic form of folic acid within a B supplement. It is involved in DNA, red blood cell, and RNA production. Folate prevents anemia and anemia-associated hair issues.
- Quercetin is a polyphenol antioxidant and anti-inflammatory It is found in red wine, green apples, green tea, and berries. It is available in supplement form and also as an ingredient in topical skincare.