I used to have dark underams really hella dark ..I would think to myself why do I look like i dont shower ..when i freaking scrub like crazy every day. Then later on I devolped this sweat gland clogging thing called hidradentis supperativa or something. My doctor basically said STop wearing deodarant and shaving ..Im like wtf ... I don't want to have dark pits and smell...
but I also wanted to get rid of my problem. I wasn't necessarily trying to get rid of the dark pits ..i just got used to it ..it was more the hidradentis supperativa that was painful clogged sweatgland ..kind of like an inner pimple that will never go away.
so anyway first i stopped using deodarnt. THat didn't last long cuz well it was stinky. Then I started using baking soda..w hich definetly took away the smell ..but after using it a while ..it started forming a film on my skin and it would peel and look unslightly and got really dry.
then I discovered ..crystal body deodarnt ..You can get it from drugstore.com or the website of the maker. It's a rock crystal that you wet and rub it on your clean underarms.
this stuff not only cleared up my hidradentis supperativa ..it stopped me from being paranoid of rubbing stuff on my arms and having my problem reoccur ...ON the super plus side ..it lightend up my dark underarms ..and now well they look normal ..I don't know how ..I think maybe it has to do with the aluminium found in most deodarnts..this crystal rock thing is like all natural and its just a rock lol ..but it works..it took away smell , discolaration ...and my issue.. You wills till sweat a bit ...it does not hinder perspiration ..but it awesome and I will never ever use anything else.
You should totally try crystal body deodarnt ..it worked for my many issues and cleared up my underarms from being dark which I wasn't even trying to do ..it just did.
good luck hun ..I know it sucks ..I had been the same way all my life almost since about 14 ..and now at 26 I no longer have dark underarms.
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Causes for Dark underarms
Some of the causes of dark underarms are as follows Friction due to tight blouses and tops that brush against the skin, Excessive sweating, Infections due to improper washing of underarms, Shaving, Dead skin buildup, Chemicals, alcohol and strong fragrance in deodorants.