Ingredient
Stearic Acid / Tristearin
What is Stearic Acid / Tristearin?
Stearic Acid is a saturated fatty acid commonly found in animal and plant fats. Tristearin is the triglyceride form, consisting of three stearic acid molecules. It is often derived from palm or coconut oil through a process of hydrolysis and distillation.
This compound is primarily used as an emulsifying agent and thickener in cosmetics and food. Stearic acid helps stabilize formulations by preventing oil and water from separating. Health-wise, it is generally considered safe for use and is often included in products due to its capability to form a protective layer on the skin, though its nutritional impact when ingested remains neutral according to current dietary guidelines.
When you see Stearic Acid on labels, it often indicates the ingredient's role in stabilizing or thickening products, particularly in lotions and creams.
Commonly found in: moisturizers, lotions, soaps, candles, food additives
Benefits
- Helps stabilize emulsions in cosmetic products.
- Forms a protective barrier on the skin, aiding in moisture retention.
Stearic Acid is generally recognized as safe (GRAS) by the FDA for use in foods and cosmetics.
Research shows that Stearic Acid is metabolically neutral compared to some other saturated fats and poses no known health risks at typical use levels.
Stearic Acid may be plant- or animal-derived, so vegans may prefer to check for plant-based sourcing.
Sources: Stearic Acid Overview
Scout's take
Plant-derived fatty acids; thickeners.
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