Stearic Acid
Characteristics
- INCI
- Stearic Acid
- Irritancy
-
0 / 5
Irritation potential: 0–5, where 5 is the highest irritation rating for the ingredient.
More detail → - Comedogen.
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2-3 / 5
Comedogenicity index: 0–5. A non-comedogenic ingredient (0–1) is unlikely to cause cosmetic acne.
More detail →
Who it's for
Description
Stearic Acid is a naturally occurring fatty acid found in plant oils and animal fats, and in cosmetics it’s usually used as a versatile helper ingredient rather than a star active. It works as an emollient, so it can make skin feel softer and smoother, and it also acts as a thickener and emulsifier, helping oil and water stay blended in creams, lotions, cleansers, and shaving products.
For skin, stearic acid can add a richer, more cushiony texture and help reduce that thin, watery feel some formulas have. In hair products, it can contribute to a creamier consistency and a more conditioned feel, especially in rinse-off formulas. People who like body creams, cleansing bars, or richer moisturizers often benefit from it because it improves slip and texture without being flashy.
Caveat: stearic acid is generally considered a formulation ingredient, not a treatment ingredient, so its main job is to support the product’s feel and stability. In some very rich formulas, it may feel heavy on oily or acne-prone skin, depending on the overall ingredient mix. As always, the finished product matters more than any single ingredient.
Frequently Asked Questions about Stearic Acid
What is stearic acid used for in skincare?
Is stearic acid good for facial skin?
Can stearic acid clog pores or cause breakouts?
Why is stearic acid used in soap making?
Can stearic acid be used in hair or body care products?
Products with Stearic Acid (19 019 total)
Most often found in Dove products (293 items)
