What are the reasons of pigmentation on skin?

What causes acne and other facial disasters?

I know that darker skin around my vagina is normal, but I was wondering if there was a trick or something I could do to light...

I have these reddish skin patches on my body. Its on my stomach, sides, and arms, its red and the skin is raised. What could ...

Why does it feel like bugs are crawling under my skin everywhere? I feel it in my eyes,feet,fingers,lip, and my arms.

What could give you a burning sensation under skin on right side of arm?

should my fore skin always be back from my bellend I am 14 by the way

My skin peels off after I mastrubate how shud I stop it is it bad it bleed at times

I went to use the bathroom and when I looked down I noticed that my urine had looked cloudy and a little foggy what are some ...

I have this bit of skin (I think it is) conecting my foreskin and the inside tip of my penis, is that normal btw im un circum...

I have red blotches under my skin, but not on the top of my skin. It starts on my chest all the way down to my feet. it feels...