On consistent usage for 8 weeks, you may witness*:
62.5% reduced pigmentation
38% more brightness
19% even tone
18% improved facial appearance
Based on the clinical test done on 30 women between age group of 30-60 years
Study Source
Reduced pigmentation in 62.5% of the subjects (Asian Journal of Pharmaceutical and Clinical Research Vol. 4, Issue 2, 2011 ISSN - 0974-2441)
At week 8, there was a significant improvement in brightening (38%), evenness (19%), and global facial appearance (18%) with improvement also seen in fine lines.
(J Cosmet Dermatol. 2020 Dec; 19(12): 3280–3285.)