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Humectant

1,2-BUTANEDIOL

CAS 584-03-2
82

Safety score · 0–100

Good

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

A small diol used as humectant and preservative booster. Skin-friendly at typical levels; commonly replaces propylene glycol for milder feel.

Function

HUMECTANTSKIN CONDITIONINGSOLVENTVISCOSITY CONTROLLING

Skin benefits

  • Multifunctional humectant
  • Boosts preservation of formulas
  • Mild and well tolerated
  • Solvent for actives

Known concerns

  • Mild irritation possible at very high %
  • Petrochemical or biotech sourced

References

EU

EU CosIng database

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

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BACILLUS/PRUNUS YEDOENSIS LEAF EXTRACT/GLYCERIN FERMENT FILTRATE
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CALCIUM POLYGLUTAMATE
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CHLORELLA FERMENT EXTRACT FILTRATE
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CITRUS INFLATA PEEL EXTRACT
Humectant

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