Yes, yes it does.
no because chlorine is a chemical but if u go swim in salt water early morning or late even that is good for acne.
No. At least, I think so...
yes it does since chlorine cleans the fat out of bacteria making bacteria harmless and since acne is a form of bacteria it gets affected the same way but when your acne goes away the skin tries to compensate for lack of natural oils so sooner or later that acne (may!) come back!
Acne vulgaris
I am not really sure if this effective for acne and acne scars.
It refers to development of acne, also can be related to Acne Vulgaris.
Yes
I do not think you can get Acne from Stress, but you can get stress from Acne causing a severe Depression.
acne
Acne disorder
Cats do not get acne.