美白面膜临床功效测试与分析

Clinical efficacy testing and analysis of skin whitening mask

对自研美白面膜产品进行临床功效测试,评价其美白效果。选择32名有效健康志愿者作为研究对象,每隔2 d使用一次美白面膜,连续8周,同时停用其他美白护肤品或面膜。分别于使用前0周及使用后2,4和8周,测试志愿者面部含水量、黑红度、L~*值和b~*值,并拍摄VISIA的正面、左侧和右侧面部图片。分析结果显示,使用美白面膜,能够显著提高皮肤含水量,提高皮肤亮度L~*值和皮肤ITA°值,降低皮肤黑度和黄度b~*值,同时还能够降低皮肤毛孔、皱纹及纹理分值,即美白面膜具有良好的美白、使皮肤细腻、减少皮肤皱纹和纹理的功效。

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.