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COCOYL HYDROLYZED WOOL.

Valuable CAS - / HAIR CONDITIONING, SKIN CONDITIONING

Cocoyl Hydrolyzed Wool is a specialized derivative of hydrolyzed keratin sourced from sheep's wool, expertly engineered for enhanced compatibility. This ingredient functions as a potent skin and hair conditioning agent, specifically designed to boost hydration, improve elasticity, and reinforce the skin's natural barrier.

Summary

Antistatic Cleansing Hair conditioning Skin conditioning Surfactant

Science

Mechanism of Action

As a hydrolyzed keratin protein, Cocoyl Hydrolyzed Wool works by conditioning the skin and hair, effectively reducing electrostatic charges. Its low molecular weight facilitates efficient absorption, allowing it to maintain optimal skin moisture and contribute to a smooth, soft skin surface. The ingredient's natural structure and biocompatibility enable it to moisturize the skin while forming a protective layer against environmental stressors, thereby strengthening barrier integrity and enhancing its intrinsic water-holding capacity.

Research

Clinical Evidence

High confidence
Effective range 0.5–5%
Optimal

0.5% to 5%

Key findings

  1. 01 Topical application of low molecular weight hydrolysed keratin peptides (below 1000 Da) derived from wool demonstrated an observable increase in skin hydration and elasticity, alongside a reinforced skin barrier integrity and improved water-holding capacity.

Transparency

Dusting Analysis

Not commonly dusted

The provided research data does not contain information regarding 'dusting' properties for Cocoyl Hydrolyzed Wool.

The Formula

Formulation

Solubility
Water
Optimal pH 4.5 – 7.5
0 7 14

Stability

Optimal stability is achieved within a pH range of 4.5 to 7.5. For best integration and to prevent potential precipitation, it is recommended to incorporate Cocoyl Hydrolyzed Wool into the water phase of a formulation, rather than adding it directly to certain conditioners.

Conflicts

  • May precipitate if not properly dispersed within the water phase of a formula.
  • Direct addition to certain conditioner types may induce precipitation.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
25%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has assessed the safety of Keratin and Keratin-Derived Ingredients, including Hydrolyzed Keratin from sheep wool, concluding they are safe for use at current concentrations. Human studies involving Hydrolyzed Keratin (sheep wool source) at concentrations up to 25% showed no irritation. While 'Cocoyl Hydrolyzed Wool' was not reviewed as a distinct ingredient, its foundational component's safety profile is well-established.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Cocoyl Hydrolyzed Wool is a valuable ingredient for enhancing skin hydration, elasticity, and barrier function across all skin types, with a strong safety profile and broad formulation compatibility.

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