Snapshot
- Overview
- A gentle cleansing agent common in soap-free bars and washes.
- Category
- Cleansing
- Type
- Surfactant
Sodium Isethionate
Sodium Isethionate is the sodium salt of isethionic acid, an anionic surfactant widely used in modern syndet bars and liquid washes. It's favored for dense, creamy lather and mild cleansing that leaves a soft, comfortable after-feel.
Like this ingredient?
Our take
Is Sodium Isethionate a Good Ingredient?
It earns a Great rating on the strength of its track record in syndet bars, where it cleans effectively with less barrier disruption than traditional soap, plus good stability and low irritation in rinse-off formats. Comparative studies of syndet versus soap systems back up its performance and skin compatibility.
What it does
Skin Benefits
It cleanses effectively while being kind to skin, helping maintain a soft, comfortable feel after washing, and works well for daily use, including for those prone to dryness.
Where you'll find it
Uses in Skincare & Cosmetics
It's widely used in syndet bars, facial cleansers, and body washes for a rich yet mild cleanse, and found in shampoo bars for a gentle scalp wash.
Before you use it
Safety
It's considered low irritation in rinse-off cleansers, though stinging or eye irritation can occur if misused or at high levels. No notable regulatory restrictions apply to typical cosmetic use.
Products with Sodium Isethionate
