My first thought was whether the research looked at topical or orally administered piperine. These researchers take a topical approach to piperine applied to the skin. Fighting vitiligo from the outside of the body vs. from the inside of the body. In my opinion I think it is important to approach repigmentation from both internal medicine as well as external medicine. Piperine seems promising as a topical application.
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Yes but i think it's a special analog of piperine. So dont use bioperine or other black pepper oil before have more news about safe risk
and +1 for both intenal/external ^^