Skin whitening and smoothening at the test site and improvement in fine lines were evaluated subjectively by the investigator and by the subjects in accordance with the following
scoring pattern:
-3= marked deterioration
-2= moderate, visibly uneven deterioration
-1= slight deterioration
0= no perceptible change or improvement
1= slight change or improvement
2= moderate change or improvement (whitening; perceptible and visible change, with less than 50% lightening of skin color)