The following four patents describe varied compositions designed to improve facial appearance, from acoustically-activated hydrogels, fractal particles and penetration enhancers to a composition where measurements are made using kitchen cutlery
1. Acoustically-activated cosmetic hydrogels
US Patent 10,058,490
Application No 14/582,816
Granted 28 August 2018
Assignee L’Oréal
The patent describes a composition that includes an aggregate that changes structural shape when exposed to acoustic energy. The aggregate has a core and a shell. The core of the aggregate includes a hydrogel formed of hydrophilic substances that can absorb a relatively large amount of water.
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