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Preservative

HEPTYLGLYCERIN

CAS 10305-39-2
80

Safety score · 0–100

Good

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

A glycerin ether with a 7-carbon side chain — used as a gentle multifunctional preservative booster and humectant. Well-tolerated and helps formulators avoid harsher preservatives.

Function

ANTIMICROBIALANTIPERSPIRANTDEODORANTSKIN CONDITIONING - EMOLLIENTSURFACTANT - EMULSIFYINGHUMECTANTSKIN CONDITIONINGSOLVENTSURFACTANT - CLEANSING

Skin benefits

  • Effective preservation booster
  • Mild skin feel and good tolerance
  • Helps reduce parabens / formaldehyde-releaser load

Known concerns

  • Some users with very dry skin may find it slightly tightening
  • Not a standalone preservative
  • Limited public toxicology dossier

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, so always read the physical product label and consult a healthcare professional for personal concerns.