silk protein mask 1) hot sale,factory price 2) ... 8 years' manufacturing 4) notable effect,non-irritant, safty. silk protein mask for eye and face care Lately technology of ... extract from silk, contains the fibroin which includs 18 Amino Acids, perfect ... the GMP Standard, covers an area of 3,268 square meters.Our products are including 3 groups---hand care,skin ...