There isn't much of a difference. Both cleansers and face washes are meant to cleanse the face and are usually formulated for the skin on the face. You should use it twice a day - in the morning and at night.
As far as sunglasses? For Men, the retro look is pretty in. Aviator sunglasses seem to be around a lot lately.
Leggings on a man that isn't going for a sporting event or working out? Well, I hope you're going to a Ren Faire or an SCA event in that case. Why not try a pair of jeans instead?