This invention is a topical tyrosinase inhibiting combination using alpha arbutin and bearberry extract, in synergism, for the purpose of skin lightening. The active admixture is a dermatological serum comprised of alpha arbutin, octyl stearate and polyolprepolymer-2, introduced onto the human skin in liposome form for ultra-deep penetration.

 
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< Systems and methods for A 5:1 multiplexer with a one-fifth ratio duty cycle clock

> Fast response time, low power phase detector circuits, devices and systems incorporating the same, and associated methods
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