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C12-15 ALKYL ETHYLHEXANOATE.

Valuable CAS 90411-66-8 / SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

A lightweight synthetic emollient that delivers skin conditioning benefits while reducing the greasy feel typically associated with oils and heavy moisturizers. This versatile ingredient excels at dispersing UV filters and pigments in formulations while enhancing the penetration of active ingredients through improved solubility.

emollient dispersing agent penetration enhancer viscosity modifier

Science

Works as a skin-conditioning agent by forming a protective barrier that maintains moisture while simultaneously reducing viscosity and tackiness in stick formulations. Its molecular structure allows it to effectively disperse both pigments and UV filters throughout products while acting as a solubility enhancer for other active compounds.


Research

High confidence
Effective range ≤22%
Optimal

N/A

Key findings

  1. 01 CIR Safety Assessment demonstrated safety in leave-on formulations up to 22% concentration
  2. 02 48-hour occlusive patch testing of undiluted ingredient showed no irritation or sensitization
  3. 03 OECD TG 487 micronucleus testing up to 750 µg/mL confirmed absence of genotoxic effects

Transparency

Not commonly dusted

This ingredient serves legitimate formulation purposes as an emollient and dispersing agent, making dusting unlikely.


The Formula

Solubility
Oil
Optimal pH 4.5 – 7
0 7 14

Stability

Maintains excellent stability in electrolyte-containing formulations and across standard cosmetic pH ranges

Synergies

  • UV filters
  • pigments
  • other oil-soluble actives

Conflicts

  • extreme pH conditions above 7 or below 4.5

Safety

CIR Status
Safe as used
Max tested
22%
Pregnancy
Safe
Sensitization risk Low

Initial concerns about metabolite 2-ethylhexanoic acid were resolved through safety assessment at cosmetic use levels


Your Skin

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

Our Assessment

Valuable

A well-tolerated multifunctional emollient that enhances product performance across all skin types with excellent safety data.


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