Thanks for query,
The color of the skin is due to its pigment.no medicine can change it.
is an anti oxident.
How anti oxident resulted less melanin
production is still debatable.
Anti oxident in oral form does not harm you.
You can use natural methods like
Drink lot of water that will hydrate your skin & glow it.
Take healthy nourshing vitamin rich diet.
Avoid junk foods.
if needed protect your skin from direct sun light.