Back to Ingredient Dictionary

SODIUM CARBOXYMETHYL STARCH

Description

Sodium Carboxymethyl Starch is a versatile and effective ingredient in skincare formulations, derived from natural starch sources such as corn or potato. This modified starch compound is created through a process of carboxymethylation, which enhances its functional properties. In skincare products, it serves multiple purposes, primarily as a thickening agent, stabilizer, and texture enhancer.

The ingredient's ability to absorb and retain water makes it an excellent humectant, helping to maintain skin hydration. It forms a protective film on the skin's surface, reducing transepidermal water loss and improving overall skin barrier function. Sodium Carboxymethyl Starch is particularly beneficial in emulsions and creams, where it contributes to a smooth, non-greasy texture and improves product spreadability.

Its mild nature makes it suitable for sensitive skin formulations. The ingredient also demonstrates some oil-absorbing properties, making it useful in mattifying products for oily skin types. In powder formulations, it can help improve adhesion and provide a silky feel. Sodium Carboxymethyl Starch is biodegradable and considered environmentally friendly, aligning with the growing demand for sustainable cosmetic ingredients.