Ricinoleic Acid …

Ricinoleic Acid/Adipic Acid/AEEA Copolymer is a synthetic polymer—a long-chain molecule made by combining ricinoleic acid (derived from castor oil), adipic acid, and AEEA (aminoethylethanolamine). It functions as a viscosity controlling agent, meaning it helps formulators manage the thickness and flow of skincare products.This ingredient is used primarily behind the scenes in product formulation rather than for a direct skincare benefit. Its role is to ensure that creams, serums, and lotions have the right consistency, spreadability, and stability over time.

As a copolymer, this ingredient works by thickening the liquid phase of a formulation and creating a stable matrix. It achieves this through its molecular structure, which allows it to absorb water and form a gel-like network. This keeps the product uniform and prevents ingredients from separating.The polymer also helps control how the product flows when applied to skin, which indirectly affects how evenly other active ingredients are distributed.

This ingredient requires no special usage guidance from a consumer perspective. It is a formulation component that works transparently within the product. Simply use the skincare product as directed by the brand; the polymer will be integrated into the formula.

This polymer is generally recognised as safe for cosmetic use and well-tolerated by most skin types. No major safety concerns are documented for topical skincare use.