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Moumoujus

BUTYLENE GLYCOL PALMITATE.

Valuable CAS 5384-26-9 / SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

A versatile ester that combines the hydrating properties of butylene glycol with the emollient benefits of palmitic acid. This multifunctional ingredient excels as both a skin conditioner and formulation stabilizer, creating smooth, comfortable textures while reducing water loss.

Summary

emollient skin conditioning surfactant emulsifying

Science

Mechanism of Action

Works through dual action: fills intercellular gaps between corneocytes to create smoother skin texture, while forming a protective lipophilic barrier that minimizes transepidermal water loss. Its amphiphilic structure enables it to function as a co-emulsifier, stabilizing formulations and enhancing spreadability.

Research

Clinical Evidence

Medium confidence
Effective range 1–10%
Optimal

5%

Key findings

  1. 01 Multi-ingredient formulations containing butylene glycol esters demonstrated 20% improvement in hydration and 24% increase in skin smoothness over 14-28 day period
  2. 02 Non-irritating profile confirmed in 48-hour occluded patch testing across 50 participants

Transparency

Dusting Analysis

Not commonly dusted

Effective concentrations align with typical usage levels, minimal risk of underdosing

The Formula

Formulation

Solubility
Oil
Optimal pH 4 – 8
0 7 14

Stability

Ester bond susceptible to hydrolysis under extreme pH conditions (below 3 or above 9) and high temperatures, breaking down into constituent butylene glycol and palmitic acid

Synergies

  • Oil-in-water emulsions
  • UV filters (acts as solubilizer)
  • Other emollients

Conflicts

  • Strong oxidizing agents
  • Highly acidic formulations
  • Strongly alkaline environments

Safety

Safety Profile

CIR Status
Safe as used
Max tested
40%
Pregnancy
Safe
Sensitization risk Low

CIR Expert Panel confirms safety for alkyl esters including this ingredient; specialty protectant applications may use up to 40% but typical cosmetic concentrations range 1-10%

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

A well-tolerated multifunctional ingredient that effectively combines emollient benefits with formulation stability across all skin types.

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