Description  Claims  Cited references 

US8771328B   [0004]  [0073] 
US20080206169A   [0006] 
US7066941B   [0007] 
US20150182991A   [0059] 
US20150182990A   [0060] 
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US20160367490A   [0063] 
US20160045758A   [0076] 

The NEUTROGENA Light Therapy Acne Mask   [0005] 
Evaluation of self-treatment of mild-to-moderate facial acne with a blue light treatment system   [0008] 
Fundementals of Analytical Chemistry   [0031] 
International Cosmetic Ingredient Dictionary and Handbook   [0047] 
ICI Handbook   [0050] 
ICI Handbook   [0051]