Careprost Eyelash Serum UK may stay active for about 24 hours. However, this time span varies, and it is greatly influenced by several factors as well.
https://oneclick-uk.com/product/careprost-uk/
The serum takes about 4 weeks of consistent usage to show difference in the length and thickness of lash hair. After 12 weeks, you may notice drastic change in the length of the lash hair. Therefore, people buy Careprost UK.