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BROWN RICE VINEGAR

CAS -
82

Safety score · 0–100

Good

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

Traditional fermented brown rice vinegar — the same ingredient used in Asian cuisines for millennia — rich in organic acids and polyphenols that gently exfoliate and brighten skin.

Brown Rice Vinegar is produced through the sequential fermentation of unpolished (brown) rice by acetic acid bacteria and lactic acid bacteria, typically through a multiple-stage fermentation process. The use of whole brown rice (with the bran layer intact) preserves ferulic acid, gamma-oryzanol, B vitamins, and inositol that are stripped away in polished white rice vinegar. The primary active component is acetic acid, which acts as a gentle keratolytic by disrupting the protein bonds in the stratum corneum. Beyond acetic acid, brown rice vinegar contains alpha-hydroxy acids (lactic, malic, citric), phenolic antioxidants from the bran, and amino acids. The fermentation process also generates bioactive dipeptides and short-chain fatty acids with documented skin-beneficial properties.

Function

HUMECTANT, SKIN CONDITIONING

Skin benefits

  • Alpha-hydroxy acids provide gentle chemical exfoliation
  • Ferulic acid and gamma-oryzanol deliver antioxidant protection
  • May help brighten hyperpigmented areas
  • Supports skin pH balance when appropriately diluted

Known concerns

  • Acetic acid can be irritating to broken or eczematous skin
  • May be too acidic for sensitive skin types when used at high concentrations
  • The '-' CAS notation indicates non-standard chemical identification in source database

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.