Behenoyl Stearic Acid

What is Behenoyl Stearic Acid?

Behenoyl Stearic Acid is a synthetic ester formed from behenic acid, a long-chain saturated fatty acid often obtained from rapeseed or other plant oils, and stearic acid, derived from sources like palm kernel. This lipid structure gives it waxy, emollient qualities suited for personal care formulations. Commonly found in shampoos, body washes, lotions, and creams, it acts as a surfactant by decreasing surface tension, allowing water to spread and lift away soils effectively. In its emulsifying capacity, it bridges oil and aqueous phases, forming a protective film that prevents ingredient separation and delivers a creamy consistency. Its mild profile supports use in everyday cleansing and moisturizing products, contributing to stable, user-friendly textures without compromising performance.

Comedogenic Rating 0/5 Low risk of clogging pores
EWG Safety Rating 1 View on EWG →

Roles in Formulation

This ingredient serves the following purposes in cosmetic formulations:

Surfactant
Lowers surface tension to enable cleansing, emulsifying, and foaming; central to shampoos, body washes, and many emulsions and micellar systems.
Emulsifying agent
Enables stable mixing of oil and water phases by forming an interfacial film, helping create lotions, creams, and cleansers with consistent texture.

Benefits

Enables effective yet gentle cleansing by reducing surface tension.

Stabilizes emulsions for smooth, long-lasting product textures.

Provides a soft, non-greasy feel in creams and lotions.

Who It's For

A quick guide for who this ingredient may suit (and who should be cautious).

Who May Benefit Who Should Avoid
Individuals with sensitive skin needing mild cleansing agents.
Those with rare allergies to fatty acid derivatives.
Users of lotions and creams for stable hydration delivery.
Individuals sensitive to lipid-based emulsifiers.
People seeking non-comedogenic options in daily routines.
People preferring products without synthetic surfactants.

Safety Notes

  • Considered low hazard with minimal risk of irritation.
  • Non-comedogenic, suitable for acne-prone skin types.

Frequently Asked Questions about Behenoyl Stearic Acid

What does Behenoyl Stearic Acid do in products?

It cleanses by lowering surface tension and emulsifies for stable oil-water blends.

Is it irritating for sensitive skin?

Evidence indicates low irritation risk, suitable for gentle formulations.

Can it cause acne?

Non-comedogenic rating suggests it does not promote pore clogging.