Science
Mechanism of Action
This ingredient functions primarily as an absorbent on the skin's surface, efficiently taking up superfluous oil, perspiration, and environmental particulates to impart a desirable matte finish. Within formulations, it acts as a thickening agent and a potent emulsion stabilizer, preventing the undesired separation of oil and water phases. It also significantly improves product spreadability and bestows a soft, velvety texture, elevating the user's tactile experience.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Potato Starch Modified is highly stable, maintaining its functional properties across a wide pH range, including low pH conditions, up to an alkaline pH of 11. It is crucial for stabilizing emulsions, preventing phase separation over time. Formulators should exercise care during incorporation to manage water absorption rates and temperature, thereby preventing the formation of undesirable lumps.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has affirmed the safety of modified starches, including Potato Starch Modified, for their intended use in cosmetics. The U.S. FDA recognizes modified food starches as Generally Recognized As Safe (GRAS) for dietary consumption, reinforcing its safety profile for topical application. Acute toxicity studies report a very low toxicity, with LD50 values typically exceeding 5000 mg/kg body weight. It is generally considered hypoallergenic and non-irritating in final cosmetic products, although minor irritant potential may exist during raw material handling.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Potato Starch Modified is a valuable ingredient, providing effective oil absorption for a matte finish, superior textural enhancement, and robust formulation stability across all skin types, with a high safety profile.
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References
Sources