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Moumoujus

LAURYL LACTYL LACTATE.

Valuable CAS 910661-93-7 / OPACIFYING, SKIN CONDITIONING, SURFACTANT - FOAM BOOSTING, VISCOSITY CONTROLLING

Lauryl Lactyl Lactate is a multifunctional lactic acid ester highly valued for its skin-conditioning, emollient, and mild exfoliating properties. It enhances skin hydration and texture while also improving the penetration of other active ingredients within formulations, contributing to comprehensive skin benefits.

Summary

Emollient Skin-Conditioning Agent Emulsifier Surfactant Exfoliant (mild) Penetration Enhancer

Science

Mechanism of Action

This ingredient functions as an emollient by creating a protective layer on the skin, thereby minimizing trans-epidermal water loss and increasing surface lipid content for a smooth, soft, and non-greasy feel. Its lactic acid component facilitates mild, gentle exfoliation, promoting cellular renewal and refining skin texture without causing irritation. Additionally, it serves as an emulsifier to stabilize oil-in-water formulations, a surfactant to improve spreadability and foaming, and a skin penetration enhancer to optimize the delivery of other beneficial compounds.

Research

Clinical Evidence

High confidence
Effective range 0.5–5%
Optimal

N/A

Key findings

  1. 01 Recommended use at 0.5% to 5% for its emollient, emulsifier, surfactant, and skin penetration-enhancing properties.
  2. 02 Delivers mild exfoliating benefits, promoting gentle skin cell renewal without irritation.
  3. 03 Provides potent skin conditioning, deeply moisturizing the skin to leave it smooth and soft without a heavy feel.
  4. 04 Did not induce skin sensitization in a human repeat insult patch test (HRIPT) on 53 subjects when tested at 10%.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH 6 – 8
0 7 14

Stability

Lauryl Lactyl Lactate exhibits optimal stability within a neutral pH range, ideally between 6.0 and 8.0, with peak performance around pH 7. It remains stable under normal storage conditions (20-25°C), though extreme heat should be avoided as it can lead to degradation. The ingredient is susceptible to hydrolysis when exposed to strong acid or strong alkali conditions. A 100 mg/L solution maintained stability at pH 7 for over 96 hours.

Conflicts

  • Strong acids
  • Strong bases

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
10%
Sensitization risk Low

The CIR Expert Panel has concluded that Lauryl Lactate, which includes Lauryl Lactyl Lactate, is safe for use in cosmetic and personal care products at concentrations of 10% or less, provided the final formulation pH is maintained between 3.5 and 10. Regulatory bodies such as the FDA and European Commission have approved related Lauryl Lactate compounds within recommended concentration limits.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Lauryl Lactyl Lactate is a valuable ingredient, offering comprehensive benefits from deep moisturization and gentle exfoliation to enhancing formulation stability and active ingredient delivery across all skin types, with a low risk of irritation or comedogenicity.

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