it says that its an adult acne remedy but can teens use it also? would it damage my skin?

or after your teens are over and you are done with puberty can you stop?

What products do you think they use? Especially teen stars cause they’re in the midst of puberty, they wear a ton of makeup and they’re sweating on stage.

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My skin is relatively sensitive to certain products. I have used the Neutrogena Clear Pore Cleanser/Mask, and although it works, it makes my face red. I don’t have a problem with benzoyl peroxide cleansers making my face red, or menthol cleansers making it red, but the combination does make it red/burned. I’ve decided that I may as well try a kit because I never have used one (I used Proactiv inconsistently, so I really don’t count that)
I believe my acne is moderate. I get blackheads, whiteheads, papules, and pustules. I haven’t had any cysts/nodules. My skin does get red easily, but I suppose if I use the right products then the redness will eventually go away and my acne will fade. Anyway, they have four kits. Which one would be best for my skin and my acne?
Regular kit: http://www.drugstore.com:80/products/pro…
Severe: http://www.drugstore.com:80/products/pro…
Redness/Rosacea: http://www.drugstore.com:80/products/pro…
Sensitive: http://www.drugstore.com:80/products/pro…