The best waterproof,smudge proof,sweat proof camouflage product is "vitilliglow"...You can use it anywhere on body and was developed by someone with vitilligo...

Dermablend

my dermatologist has an office that has someone who can tell u. check with urs. if u can locate a Black derm-- great

Dermablend, is very good and CoverGirl

I have tried many different things to cover my vitiligo. Fake Bake works the best on me with my light skin tone. I apply it on my spots with a qtip, let it dry, then apply it all over. I have hundreds of spots so I usually just do my arms.