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Moumoujus

PUERARIA MIRIFICA ROOT POWDER.

Valuable CAS - / SKIN CONDITIONING

Pueraria Mirifica Root Powder, derived from the Kwao Krua plant, is a potent botanical ingredient renowned for its phytoestrogen content. When applied topically, it is engineered to enhance skin elasticity, reduce the appearance of wrinkles, and improve overall skin hydration and luminosity, targeting the visible signs of aging.

Summary

antioxidant skin-identical ingredient anti-aging skin-soothing moisturizer/humectant

Science

Mechanism of Action

This ingredient functions through its unique phytoestrogens, such as miroestrol and deoxymiroestrol, which mimic estrogen's biological activity. These compounds bind to estrogen receptors in the skin, stimulating fibroblasts to increase the production of essential collagen and elastin. This action strengthens the skin's structural matrix, leading to reduced wrinkle depth and improved skin laxity. Furthermore, it enhances fibroblast function, boosts moisture retention, contributes to skin thickening, improves local blood flow, and offers antioxidant protection against environmental stressors, collectively promoting significant anti-aging effects.

Research

Clinical Evidence

High confidence
Effective range 1–50%
Optimal

2%

Key findings

  1. 01 Topical application of Pueraria mirifica extract, particularly within a 2.0-5.0% concentration, has been shown to improve skin elasticity and shine. Concentrations above 10% did not yield significantly greater efficacy.
  2. 02 A cream formulation containing Pueraria mirifica, applied topically over 16 weeks, significantly improved skin elasticity and reduced wrinkles in healthy women volunteers.
  3. 03 A 1% Pueraria mirifica gel demonstrated improved vaginal tissue health, pH, and skin tone in a 28-day study on postmenopausal monkeys, suggesting broader tissue-firming properties.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 5.15 – 5.44
0 7 14

Stability

Pueraria Mirifica extracts are susceptible to degradation from heat and light, which can compromise their potency. Refrigeration is recommended for products containing this ingredient, and formulations should be protected from light and humidity. Maintaining a pH between 5.15 and 5.44 is crucial for physical stability in gel formulations. Careful handling is advised to prevent microbial contamination post-opening.

Conflicts

  • strong chemicals
  • alcohol bases

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Low

Pueraria Mirifica Root Extract is recognized by CosIng for 'SKIN CONDITIONING' without specific SCCS restrictions for topical use. Dermal toxicity tests, including animal and human primary skin tests, have consistently shown no significant skin irritation, allergic reactions, or photo-toxicity. EWG Skin Deep rates the extract with a 'LOW' hazard score across various concerns. It is important to note that concerns regarding the safety of oral Pueraria mirifica extracts, particularly their endocrine and reproductive effects, do not directly translate to topical cosmetic applications, though patch testing is advised for sensitive skin as a general precaution.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

A valuable botanical ingredient, Pueraria Mirifica Root Powder effectively targets multiple signs of skin aging by enhancing elasticity, reducing wrinkles, and improving hydration, with a favorable topical safety profile.

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