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STEAROYL LEUCINE.

Insufficient Data CAS 14379-43-2 / HAIR CONDITIONING, SKIN CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

Stearoyl Leucine is a multifunctional ingredient combining an essential amino acid with a fatty acid, recognized for its conditioning, emulsifying, and cleansing properties. It is believed to support skin metabolism, enhance moisture retention, and contribute to overall skin resilience.

Skin Conditioning Hair Conditioning Cleansing Emulsifying Emollient

Science

This compound integrates the essential amino acid leucine with a stearoyl fatty acid chain. The leucine component is theorized to readily absorb into the skin, promoting cellular metabolism, improving elasticity, stimulating collagen production, and supporting cell renewal. Additionally, leucine may exert soothing effects, reduce redness, and reinforce the skin barrier, facilitating natural healing processes. The stearoyl portion likely functions as an emulsifier, aiding in the stable blend of oil and water phases within cosmetic formulations.


Research

Low confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

The Formula

Solubility
Oil
Optimal pH N/A
0 7 14

Safety

CIR Status
Not reviewed
Sensitization risk Unknown

Specific safety data for Stearoyl Leucine from major panels like CIR or SCCS is not available. While the CIR Expert Panel has broadly assessed amino acids, direct evaluation of this specific compound is pending. L-Leucine, the amino acid component, holds a Generally Recognized As Safe (GRAS) status with the FDA for certain food applications, but this does not directly apply to Stearoyl Leucine in topical formulations.


Your Skin

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Insufficient Data

Stearoyl Leucine presents a promising range of skin benefits, including moisture preservation and barrier support, but more targeted clinical research is needed to substantiate its full efficacy and safety profile.


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