Can I use Glycine Max Leaf Extract with Niacinamide?
Works well together
Glycine Max Leaf Extract and Niacinamide are generally compatible and can be layered in the same routine. As always, introduce one new active at a time and watch how your skin responds.
Glycine Max Leaf ExtractAntioxidant
- ✓Soybean leaf extract is rich in isoflavones (genistein, daidzein) and flavonoids with potent antioxidant activity, protecting skin from UV-induced oxidative stress
- ✓Genistein is a well-studied isoflavone that inhibits tyrosinase and downregulates melanin synthesis, contributing mild brightening potential
- ✓Polyphenolic and phenylpropanoid compounds from the soybean leaf fraction provide anti-inflammatory activity complementary to the antioxidant benefits
- ⚠Soy isoflavones (genistein, daidzein) have phytoestrogenic activity in vitro; at cosmetic topical concentrations, clinical estrogenic effects are not expected or documented
- ⚠Soy allergy: individuals with soy food allergy should be aware, though topical protein exposure differs from dietary — patch test recommended for those with severe soy allergy
NiacinamideActive
- ✓Reduces redness and blotchiness
- ✓Supports the skin barrier
- ✓Regulates oil