Abstract: Self-developed whitening mask was tested on the clinical efficacy and its whiting efficacy was evaluated.At the inception of the study,32 healthy volunteers used the product every two days for eight weeks and disused any other whitening products at the same time.Respectively 0 weeks before use and 2,4 and 8 weeks after use,the skin stratum corneum hydration,black and red degrees,L^* value and b^* value were tested,and the pictures of front,left and right face were get by VISIA intelligent camera system.Results show that whitening mask can improve skin stratum corneum hydration,increase skin brightness L^* value and ITA° value,reduce skin blackness and yellowness b^* value.Meanwhile,the mask can reduce the skin pore value and wrinkle and texture score.Whitening and jaundice-eliminating mask has an excellent whitening efficacy, which also can make the skin smooth and delicate,reduce wrinkles and texture.

Key words: mask, whitening, clinical efficacy