Working out alot causes me to break out why?

I go to the gym or park atleast 4 times a week why is that working out causes acne can anybody answer this no matter what i do the sweat always causes me to break out what can i do to prevent that I heard taking a cold shower right after is good i feel is true what do u think or what else can I do?

no more acne just mild red marks

sigh red marks I want them o go away posting this for no reason

how to add cell picture

how do u add cell picture on here i cant figure it out anybody could be so kind to help me?

potatoes for red marks?

does using potatoes on your skin really work to get rid of red marks or discoloration?

3 yrs with discoloration WTF are they scars? want laser

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