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Featured Ingredient

Stearic acid flakes on a spoon — a plant-derived fatty acid used as a hardener in natural soap making

Stearic Acid

The Hardening & Moisturizing Powerhouse

Stearic Acid is a naturally occurring fatty acid, often derived from coconut, palm, or shea butter, and is known for its thickening, emulsifying, and hardening abilities. It’s a key ingredient in solid shampoo bars, conditioners, lotions, and even soaps, where it adds structure, enhances creaminess, and provides long-lasting moisture.

In shampoo bars, Stearic Acid helps create a firm, long-lasting bar while also acting as an emollient, helping to soften and smooth hair. It also boosts the conditioning properties of other ingredients, making it especially beneficial for dry, coarse, or frizz-prone hair types.

Here are a few of our products featuring this ingredient:

Category: Syndet Ingredients
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