According to a research conducted at Department of Pharmacy King's College London piperine helps in frequent repigmentaion and its results lasts longer than many other treatments. In this research, researchers first analyzed the herbs and plants used in herbal vitiligo recipes to see if any of the ingredients could stimulate pigment cell multiplication in vitro.

You can use herbal recipes which have piperine as its ingredient. Piperine is derived from black pepper so another source of piperine is black pepper.

For more information on vitiligo research visit:

http://www.vitiligoguide.com/vitiligo-research/

Visit Botanical cube official website to provide you with more

The most important component is piperine.

By addition of 10% ethanolic KOH, water and HCl

Black pepper contain piperine.