Chitin

Updated: 2026-08-28

Overview

Keratinic acid is a derivative of keratin, a structural protein found in hair, nails, and skin. It is widely used in the cosmetic and pharmaceutical industries due to its moisturizing and conditioning properties. The compound is typically derived through hydrolysis of keratin-rich sources such as wool or feathers. Keratinic acid is valued for its ability to form protective films and improve the texture of hair and skin. Its applications extend beyond personal care to include industrial uses where its film-forming properties are beneficial.

Physical and Chemical Properties

Keratinic acid appears as a white to off-white powder with a density of approximately 1.2 g/cm³. It is soluble in water and slightly soluble in organic solvents. The compound decomposes before reaching a melting point, making it stable under normal storage conditions. Key properties include its ability to retain moisture, form films, and condition surfaces. These characteristics make it particularly useful in formulations where hydration and protection are desired.

Main Applications

In the cosmetics industry, keratinic acid is a popular ingredient in hair care products such as shampoos, conditioners, and treatments. It helps repair damaged hair by replenishing lost proteins and improving elasticity. The pharmaceutical industry utilizes keratinic acid in topical formulations for its wound-healing and skin-conditioning properties. Industrially, it is used in coatings and adhesives where its film-forming ability enhances product performance.

Safety and Storage

Keratinic acid is generally recognized as safe for topical use, though inhalation of the powder should be avoided. Proper storage involves keeping the compound in a cool, dry place away from direct sunlight to maintain its stability. Handling should follow standard safety protocols, including the use of gloves and masks when working with the powder form. Disposal should comply with local regulations to minimize environmental impact.

B2B Procurement Guide

When procuring keratinic acid, buyers should prioritize suppliers who provide certificates of analysis (CoA) to verify purity and quality. Bulk purchases often come with cost advantages, but it's essential to assess storage capabilities to prevent degradation. Key considerations include the intended application, required purity levels, and supplier reliability. Establishing long-term relationships with reputable suppliers can ensure consistent quality and timely deliveries.