Sodium Caproyl Methyltaurate

What is Sodium Caproyl Methyltaurate?

Sodium Caproyl Methyltaurate is a synthetic anionic surfactant produced by esterifying caproic acid, a saturated medium-chain fatty acid often sourced from coconut or palm kernel oil, with N-methyltaurine, a modified amino acid derivative. It falls into the taurate family of surfactants, primarily used in rinse-off personal care products such as facial cleansers, body washes, shampoos, and bubble baths. In formulations, it functions by significantly reducing the surface tension between water and skin lipids or sebum. This action promotes the creation of micelles, spherical aggregates that solubilize and trap oils, grime, and residues. These micelles facilitate easy rinsing, delivering effective cleansing while minimizing disruption to the skin's protective lipid layer, making it a preferred choice for mild, high-foaming systems.

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:

Cleansing agent
Removes dirt, oil, and impurities by lowering surface tension and forming micelles, enabling soils to be lifted and rinsed away from skin, hair, or teeth.
Surfactant
Lowers surface tension to enable cleansing, emulsifying, and foaming; central to shampoos, body washes, and many emulsions and micellar systems.

Benefits

Delivers effective dirt and oil removal through micelle formation.

Produces rich, stable foam for a satisfying cleansing experience.

Supports skin barrier integrity with gentle surfactant action.

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 seeking mild cleansers.
Those with rare allergies to taurate surfactants.
Users preferring sulfate-free foaming products.
Individuals sensitive to medium-chain fatty acid derivatives.
People with normal to oily skin types for daily routines.
People opting for completely natural or preservative-free formulas.

Safety Notes

  • Considered low hazard for use in rinse-off cosmetics.
  • Typically well-tolerated in concentrations common to cleansers.

Frequently Asked Questions about Sodium Caproyl Methyltaurate

What is Sodium Caproyl Methyltaurate used for?

It serves as a cleansing surfactant in foaming washes, helping remove impurities via micelles.

Is it suitable for sensitive skin?

Yes, its mild profile makes it appropriate for sensitive skin in rinse-off products.

Does it cause comedones?

Rated non-comedogenic, unlikely to clog pores.