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Moumoujus

BUTYLOCTYL OLEATE.

Valuable CAS 134112-37-1 / SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

A lightweight synthetic ester that serves as both an emollient and solvent in skincare formulations. This versatile ingredient forms a semi-occlusive barrier on skin while maintaining excellent spreadability, making it particularly effective for enhancing product texture and delivering other active ingredients. Clinical studies demonstrate strong safety profiles with minimal irritation potential at concentrations up to 1.5%.

Summary

emollient solvent carrier

Science

Mechanism of Action

Creates a semi-occlusive film on the stratum corneum that reduces transepidermal water loss while allowing skin to breathe. Its molecular structure provides excellent spreading properties and acts as an effective carrier for UV filters and pigments, enhancing both moisturization and product performance without heavy residue.

Research

Clinical Evidence

High confidence
Effective range 0.7–1.5%
Optimal

1.5%

Key findings

  1. 01 Non-sensitizing and non-irritating in human repeat insult patch tests with 202 subjects
  2. 02 No signs of sensitization or irritation in 198 subjects

Transparency

Dusting Analysis

Not commonly dusted

Primary functional ingredient with established efficacy at tested concentrations, not typically used for marketing purposes

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Highly stable in typical cosmetic emulsions but susceptible to hydrolysis under extreme pH conditions

Synergies

  • UV filters
  • pigments
  • other emollients

Conflicts

  • Strong oxidizing agents
  • Strong acids
  • Strong bases

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

CIR concluded safety when formulated to be non-irritating; evaluated via read-across from similar alkyl esters used up to 78%

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
No Oily
Yes Sensitive
Irritancy Low
Comedogenicity Moderate

Our Assessment

Verdict

Valuable

A well-researched multifunctional ingredient that effectively combines emollient properties with solvent capabilities, particularly beneficial for dry and sensitive skin types.

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