My DS (16) has quite sensitive skin , some shampoos can make his skin reactive if they run onto his face in the shower. And when he shaves it can flare up his skin.
He likes the Boots TeaTree cleansing pads for morning (quick cleanse and exfoliate) and the night gel . I bought him the double ended wand to apply as needed. I did buy him Origins Blemish Treatment gel but my DD has decided her brother doesn't deserve this and she's swiped it.
He has Australian Body Care skinwash for the shower (suitable for face and body). His skin is ok at the moment but a bit red/uneven so I bought him some La Roche Posay Effaclar Duo to calm the redness (he's only used it a couple of times so I'm waiting to see how well it does, it's £15+ )
I've bought him the gentler treatments mainly rather than those cleansrs that were about when I was a teen, the ones that would strip paint