Ingredient

Sodium Lauroyl Methyl Isethionate

Neutral in 2

What is Sodium Lauroyl Methyl Isethionate?

Sodium Lauroyl Methyl Isethionate is a mild surfactant derived from coconut oil and isethionic acid, commonly used in personal care products. It appears as a white powder that helps to create a foamy lather in cleansers and shampoos.

This ingredient is prized for its gentle cleansing properties, making it suitable for sensitive skin and hair. Scientific literature generally supports its safety, though individual reactions can vary, as with any ingredient. It effectively removes dirt and oil without stripping away the natural oils from the skin.

When you see Sodium Lauroyl Methyl Isethionate on a label, it often indicates a focus on mild, non-drying formulations, particularly in products like facial cleansers and body washes.

Commonly found in: facial cleansers, body washes, shampoos, bubble baths, liquid hand soaps

Benefits

  • Provides gentle cleansing without irritating the skin.
  • Creates a rich, foamy lather.
FDA

Sodium Lauroyl Methyl Isethionate is generally recognized as safe for use in cosmetics and personal care products.

Research

Research indicates it is safe for most skin types, though individual sensitivities can occur. Overall, it is seen as an effective cleanser.

Vegan

Sodium Lauroyl Methyl Isethionate is derived from plant sources like coconut oil, making it suitable for vegan products.

Sources: Safety Assessment of Sodium Lauroyl Methyl Isethionate

Scout's take

Sodium Lauroyl Methyl Isethionate is a mild surfactant that provides gentle cleansing and foaming. It is derived from coconut oil and is often used in sulfate-free formulations. It is considered safe for most users.

The case against

May cause mild irritation if it comes into contact with the eyes.

from the analysis of Innersense Organic Beauty - Natural Pure Harmony Hairbath Shampoo

The case for

It effectively cleanses the hair while being gentle on the scalp.

from the analysis of Innersense Organic Beauty - Natural Pure Harmony Hairbath Shampoo

More from Scout's analyses

Mild syndet surfactant. Among the gentler synthetic surfactants but still strips natural lipids.

from the analysis of Summer's Eve Sheer Floral Cleansing Wash

Found in 2 products

Scan any product to see every ingredient explained — and healthier swaps.

Download on theApp Store GET IT ONGoogle Play