Trihydroxystearin CAS 139-44-6
Trihydroxystearin esterification of 12-hydroxyoctadecanoic acid and 1,2,3-propanetriol of natural plant origin is one of the famous cosmetic ingredient which is widely use in hair care, skin care, and makeup products.
Trihydroxystearin is a multifunctional cosmetic ingredient, it can make the skin and hair more soft and smooth, improve the skin feeling and use experience of the product, and make the cosmetics applied more evenly and comfortably.
Trihydroxystearin in cosmetics
· In hair products: trihydroxystearin can be used as an ester conditioning and softening agent to enhance the silky feel and brightness of hair.
· In skin care products: trihydroxystearin improves the stability of the system and improves the moisturised skin feel.
| CAS | 139-44-6 |
|---|---|
| Appearance | white to yellowish flakes or powder |
| Content | ≥99% |
| Melting point | 83-88°C |
| Hydroxyl value | >150 mgKOH/g |
| Acid value | ≤2.0 mgKOH/g |
| Saponification value | 175-185 mgKOH/g |
| Product Category | Specific Examples | Role of Trihydroxystearin |
| Deodorant & Antiperspirant | Solid sticks, semi-solid sticks | #1 Application. Provides the rigid stick structure, holds active ingredients (like aluminum salts) in suspension, ensures clean application without crumbling. |
| Lip Products | Lip balms, lipsticks (especially matte or long-wear), lip gloss sticks | Creates firm texture, prevents oil separation, improves pigment dispersion, enhances stick integrity in warmer climates. |
| Makeup | Foundation/concealer sticks, cream blush sticks, eye shadow sticks, solid highlighters. | Structures the oil phase, suspends color pigments uniformly, provides a smooth, blendable application upon skin contact. |
| Skin Care | Cleansing balms, solid massage bars, under-eye cream sticks, solid perfumes, sunscreen sticks. | Transforms butters and oils into a solid, portable, no-spill format. For cleansing balms, it provides the"balm-to-oil"transformation. |
| Hair Care | Hair pomades (solid), styling waxes, scalp treatment sticks. | Delivers the desired hold and texture in an anhydrous format, easy to scoop and apply without stickiness. |
Trihydroxystearin is a multi-functional cosmetic ingredient, derived from hydrogenated castor oil, used as a thickener, emollient, and oil gelling agent to improve product texture, stability, and water resistance in creams, lipsticks, and makeup.
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