Cetylhydroxyproline palmitamide is a synthetic compound used in skincare products known for its skin-conditioning and anti-aging properties. It is a derivative of hydroxyproline, an amino acid, combined with palmitamide, a fatty acid derivative. This ingredient is included in cosmetics to help improve skin elasticity and hydration.

Chemical Composition and Structure: Cetylhydroxyproline palmitamide is chemically composed of:

Cetyl Group: A long-chain fatty acid derivative (cetyl alcohol) that provides emollient and conditioning properties.
Hydroxyproline: An amino acid derivative that contributes to skin repair and elasticity.
Palmitamide: A fatty acid amide that enhances skin barrier function and helps with skin hydration.

The chemical structure includes a long hydrocarbon chain attached to a hydroxyproline moiety, forming a palmitamide ester. This structure allows it to interact effectively with skin proteins and lipids.

Physical Properties:

Appearance: Typically a white to off-white solid or waxy substance.
Odor: Generally neutral or slightly fatty.
Density: Dense and solid at room temperature, may melt at higher temperatures.
Solubility: Poorly soluble in water but soluble in oils and lipids.

Production Process: The production of cetylhydroxyproline palmitamide involves:

Synthesis: The chemical reaction between cetyl alcohol and hydroxyproline, followed by the introduction of palmitamide. This synthesis is conducted under controlled conditions to ensure purity and efficacy.
Purification: The compound is purified to remove any impurities and by-products, resulting in a high-quality ingredient suitable for cosmetic formulations.
Formulation: It is incorporated into cosmetic products, often as part of emulsions or lipid-based formulations, to enhance skin benefits.

Applications:

Cosmetics: Used in various skincare products, including creams, lotions, and serums, to improve skin elasticity, hydration, and texture.
Anti-Aging Products: Incorporated into anti-aging formulations to support skin repair, reduce the appearance of fine lines, and enhance skin firmness.
Moisturizers: Added to moisturizers for its emollient properties, helping to soften and smooth the skin.

Environmental and Safety Considerations:

Environmental Impact: As a synthetic ingredient, the production process should be managed to minimize environmental impact. Proper disposal and responsible manufacturing practices are essential to reduce the ecological footprint.
Safety: Cetylhydroxyproline palmitamide is generally considered safe for use in cosmetics and personal care products when used as directed. Individuals with sensitive skin or specific allergies should exercise caution.

INCI Functions:
Skin conditioning agent. It is the mainstay of topical skin treatment as it has the function of restoring, increasing or improving skin tolerance to external factors, including melanocyte tolerance. The most important function of the conditioning agent is to prevent skin dehydration, but the subject is rather complex and involves emollients and humectants that can be added in the formulation.
Synonyms:

CAS: 791838-11-4