Soy isoflavones, phytoestrogens, genistein, diazdein.
Acts as a powerful antioxidant and as an anti-inflammatory agent1, stimulates collagen production, enhances thickness and elasticity of the skin2. The effects of phytoestrogens is enhanced in the presence of vitamin C. Vichy Novadiol, Novadiol Night, Novadiol UV, RoC Soya Unify skincare line. Cancer Investigation, 1996, volume 14, number 6, pages 597–608. Cosmetics & Toiletries, June 2002, pages 45–50.