I'm allergic to the normal deodorant, or anti-perspirant maybe due to the presence of aluminum / alcohol / fragrance. I don't know! But the problem is, after I got the rash, my skin darkened (Could be due to accumulation of melanin to 'protect' my skin ) and I'm very used to wearing sleeveless, now I can't cause the skin darkened

How do I get it to whiten? Please help!

Tried those whitening products yet?

Or Google on home remedy for whitening effect. If not mistaken, lemon juice is one.

Otherwise, consult a dermatologist.

Actually I have, I went to a pharmacist. She recommended a product. Didn't work.

Maybe I'll try lemon juice. Don't think I want to seek professional help yet, they're kinda pricey.
Thanks, I'll look up lemon!

Maybe it's just an allergic reaction; it should heal in time.

Meanwhile just use a scrub, facial mask (oats - grind finely mixed with yoghurt and honey) and apply body lotion.

hmm. if darkening at certain areas like ur armpit could be indicating the toxins in ur body. perhaps detox will help.