6-Methyl-8-prenylnaringenin is a prenylated flavonoid and one of the most potent phytoestrogens known, particularly effective at binding to estrogen receptor beta (ERβ). It exhibits strong antioxidant and anti-inflammatory properties, helping to protect skin cells from oxidative stress and potentially supporting collagen production.

In skincare formulations, it is used for its anti-aging benefits, found in serums, creams, and lotions targeting wrinkles, sun damage, and skin firmness. Its phytoestrogenic effects make it suitable for hormonal skincare, menopause-related skin health, and addressing issues like dryness. It is also investigated in hair growth products for possible stimulation of hair follicle activity.

Additionally, it shows potential in women's health products for alleviating menopause symptoms such as hot flashes and vaginal atrophy, and may help balance hormones or prevent hormone-related chronic conditions like certain breast cancers due to its milder estrogenic activity compared to endogenous hormones.

Due to its high potency, it is used in low concentrations and is common in natural and botanical-based cosmetic products. However, its applications remain under research, requiring further clinical data to confirm long-term efficacy and safety.