Talk to Dermatologist on Acne Scars

I am facing acne for a long time. i am using clycin t lotion, adapco and acsolve gel for acne. But these products made my skin too much dry and cracked. even i used moisturiser plus aleo vera rose water but still it makes skin dry patchy and sometime even skin become scally. i have black acne scars on my face which is prominent i don't want to take medicine. my periods are also irregular and pcos issue. i have facial hairs on my chin and upper lips. Please suggest me what i do for acne and black scars. Also guide me regarding hairs on my face. Do i go for laser treatment for facial hairs. my skin is very sensitive. but the hair growth on my face is thick. what i do.?