I really need some beauty tips?Girls?

So I decided that I need to start taking more care of my skin so I need some beauty tips.I have dark hair ,black eyes ,and tan skin.What do you girls recommend for removing facial hair? What is the best mascara around? What makeup brands do you like? What foundation would look good with my skin?I also have acne problems so do you guys recommend anything for flawless and better skin? I also need tips for my hair.I have oily,long straight hair ,my face is round.What haircut do you recommend? What products for more volume do you prefer?Thanks!