What does the research say?
A 16-week clinical trial studied 30 women aged 30–60 who applied a facial cream with 4% Pueraria mirifica twice daily. Results showed a significant increase in skin elasticity compared to placebo (p<0.05), though wrinkle depth and moisture levels did not significantly change (koreascience.or.kr).
A 2021 study measured antioxidant compounds in Pueraria mirifica called isoflavones. It found the peel extract had four times higher antioxidant activity than the tuber flesh. These antioxidants protect skin from damage caused by free radicals (eprints.utm.my).
Cosmetic companies using a patented Pueraria extract (Puresterol®) found reduced wrinkle depth in a 28-day study. Participants applied serum twice daily, showing visible reductions in crow’s feet and forehead wrinkles (cosmeticsandtoiletries.com).
Why it works
Phytoestrogens like miroestrol and deoxymiroestrol bind to estrogen receptors in skin cells, boosting collagen and elastin production (koreascience.or.kr). These proteins help keep skin firm and reduce sagging or fine lines.
How to use it
Topical creams or serums with 2–4% Pueraria mirifica extract help improve skin elasticity and firmness. Oral supplements may offer general anti-aging benefits, but topical use directly targets the skin.
Safety & Recommendations
Clinical trials report no significant side effects at recommended doses (4% topical over 4 months or short-term serum use). Always patch test before use to avoid irritation.
Final Thoughts
Pueraria mirifica is a promising natural ingredient for skin rejuvenation. Research confirms it improves elasticity, and its antioxidants help protect against aging. If you want a plant-based skincare option for firmer, more youthful-looking skin, Pueraria mirifica is worth considering.
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References
- Kim B. et al., “Clinical Study of Cream Containing Pueraria mirifica for Skin Elasticity” (2004) (koreascience.or.kr, cosmeticsandtoiletries.com)
- Chua L.S. et al., “Detection of Puerarin…Cosmetic Products” (2021) (eprints.utm.my)
- Puresterol® serum wrinkle study
- Miroestrol identification & phytoestrogen content (cir.nii.ac.jp)
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