Isoflavone
INCI: Equol
Reviewed by Emma · Last updated 18 Aug 2026
Also known as: Equol, Daidzein, Genistein
Potent antioxidant Plant-derived ingredient
EWG Safety Score
What Is Isoflavone?
Isoflavone is a powerful active ingredient known for its beneficial effects on the skin. It works at the cellular level to promote healthier, more radiant skin. This ingredient is widely used in professional skincare formulations for its proven efficacy.
When used regularly in a skincare routine, Isoflavone can help improve overall skin health and appearance. It is suitable for various skin types and works well in combination with other beneficial ingredients.
Frequently Asked Questions
From the Clinic
Not sure what your skin actually needs?
Two minutes, a few questions, and we’ll point you at what matters — no guesswork.
Take the skin quizPart of a family
Isoflavone is a variant of Equol, the form you will most often see on an ingredients list.
A plant-derived polyphenol studied for antioxidant support and skin conditioning
Related Ingredients
Equol
A plant-derived polyphenol studied for antioxidant support and skin conditioning
Ipomoea Batatas Root Extract
From the sweet potato plant Rich in antioxidant polyphenols
Iris Pallida Leaf Cell Extract
A plant-derived antioxidant extract that helps protect skin from environmental stressors
Iris Setosa Callus Culture Extract
Plant cell culture extract with antioxidant and conditioning properties
Isoquercetin
A glycosylated flavonoid with antioxidant and soothing potential
Isoquercitrin
A plant-derived antioxidant that helps protect skin from environmental damage
Learn More About Skincare Ingredients
Explore our comprehensive ingredient glossary to understand what's in your products.
Browse All IngredientsShop Our Products
Find professional skincare solutions at Skintique.