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Section: Cosmetic Ingredients > Rheology/Thickener
Rheology/Thickener
Sunscreen Formulas With Multilayer Lamella Structure
The multilayer lamellar structure in sunscreens containing phosphate emulsifiers plays key roles in the emulsion rheology and in enhancing deposition of sunscreen oil on skin surface, thereby improving the SPF water wash resistance.
Literature/Data
Patent Pick: A 'Swell' Sunscreen Stabilizer
Sunscreens are always in the hot seat; whether it's proving they give the claimed SPF, or balancing feel with stability and performance. In this patent, P&G inventors have come up with a "swell" idea: superabsorbent polymers for sunscreens and other skin care applications.
Sun Care
How Sunscreen Base Formulas Affect SPF and Mechanical Properties
A recent study published in AAPS PharmSciTech tested four sunscreens to determine how their components influenced SPF, shear and thixotropy.
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