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Moumoujus

PUERARIA MIRIFICA ROOT EXTRACT.

Valuable CAS - / SKIN CONDITIONING

Pueraria Mirifica Root Extract is a botanical active, celebrated for its rich phytoestrogen content. It is precision-engineered to visibly improve skin elasticity, hydration, and firmness, while actively reducing the appearance of fine lines and early signs of aging.

Summary

Antioxidant Skin-conditioning Soothing Moisturizing Firming Elasticity-boosting Collagen production

Science

Mechanism of Action

This extract functions via its diverse array of phytoestrogens, including miroestrol and puerarin, which structurally mimic human estrogen. Topically, these compounds are believed to promote cellular renewal, enhance natural pH balance, and reinforce skin's defenses against environmental aggressors. Furthermore, it stimulates collagen and elastin synthesis, leading to improved skin firmness and elasticity, alongside providing potent antioxidant benefits to combat oxidative stress.

Research

Clinical Evidence

Medium confidence
Effective range 1–10%
Optimal

1%

Key findings

  1. 01 A 1% topical gel significantly improved vaginal tissue health, pH, and skin tone in postmenopausal monkeys over 28 days.
  2. 02 A cream formulation increased skin elasticity in 30 healthy women (aged 30-60) over a 16-week period.
  3. 03 A proprietary extract (Puresterol®) in a face serum showed positive effects on the reduction of wrinkles over 28 days.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 4.5 – 6.5
0 7 14

Stability

The extract is optimally stable within a pH range of 4.5 to 6.5. Products containing this extract should be stored refrigerated to maintain stability and potency, as it is susceptible to degradation by heat and light.

Conflicts

  • Harsh acids or physical scrubs, particularly when combined with retinoids, to prevent potential skin barrier compromise.

Safety

Safety Profile

CIR Status
Not reviewed
Pregnancy
Caution
Sensitization risk Low

Topical application of Pueraria Mirifica Root Extract is generally considered safe, with skin irritation, eye irritation, sensitization, and phototoxicity tests showing no adverse reactions even at 100% extract concentration. However, due to its strong estrogenic activity, *ingested* Pueraria Mirifica has conflicting safety evidence and potential interactions. Consequently, individuals with hormone-sensitive conditions (e.g., estrogen-dependent cancers, endometriosis), pregnant or breastfeeding women, and those under 18 years old are advised to avoid its use. It may also interact with birth control or prescription estrogen.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

Pueraria Mirifica Root Extract is a valuable botanical for targeting signs of aging, improving elasticity, and hydrating skin, provided its specific hormonal considerations are respected in formulation and usage.

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