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Moumoujus

BROWN RICE VINEGAR.

Valuable CAS - / HUMECTANT, SKIN CONDITIONING

A fermented rice derivative that combines gentle exfoliation with potent antioxidant protection through its unique profile of organic acids, anthocyanins, and amino acids. This naturally acidic ingredient helps restore optimal skin pH while delivering superior UV damage protection that outperforms vitamin C serums by 40%. Its multi-functional approach addresses aging, pigmentation, and hydration simultaneously through enzyme inhibition and natural moisturizing factor enhancement.

Summary

moisturizer/humectant buffering antioxidant exfoliant brightening

Science

Mechanism of Action

Functions through four distinct pathways: organic acids (acetic and lactic) provide controlled exfoliation while restoring the acid mantle's protective pH barrier; phenolic compounds and anthocyanins neutralize reactive oxygen species to prevent cellular damage; potent enzyme inhibition blocks tyrosinase activity for brightening and collagenase activity for anti-aging; eighteen different amino acids act as natural moisturizing factors to enhance skin hydration and barrier function.

Research

Clinical Evidence

Medium confidence
Effective range ≥0.5%
Optimal

0.5%

Key findings

  1. 01 Anthocyanin compounds provided 40% superior protection against UV-induced oxidative stress compared to vitamin C serums
  2. 02 Demonstrated 62.38-77.03% tyrosinase inhibition for brightening and up to 100% collagenase inhibition for anti-aging effects

Transparency

Dusting Analysis

Not commonly dusted

As a naturally derived fermented ingredient with established traditional use and measurable biological activity, brown rice vinegar is unlikely to be used in ineffective trace amounts for marketing purposes.

The Formula

Formulation

Solubility
Water
Optimal pH 3 – 5
0 7 14

Stability

Exceptionally stable in aqueous solutions with natural buffering capacity; enhanced suspension stability when combined with compatible polysaccharides; naturally maintains skin-favorable pH around 3.9

Synergies

  • polysaccharides
  • hydrating ingredients
  • pH-compatible actives

Conflicts

  • strong alkaline agents
  • high concentration anionic surfactants
  • strong oxidizing agents

Safety

Safety Profile

CIR Status
Safe as used
Pregnancy
Safe
Sensitization risk Low

CIR Expert Panel confirms acetic acid safety in cosmetics when properly diluted; rice vinegar is naturally dilute at 4-5% acidity, well below irritating concentrations

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

A scientifically-backed multi-functional ingredient that delivers measurable anti-aging and protective benefits through proven mechanisms at practical concentrations.

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References

Sources