I am 21 year old student. I does not have any problem with hair till now (no androgenic alopecia, no family history.) But before 2 week I take medicine for acne vulgaris. Drug is sotret (isotretinoin capsule 20 mg). After 1 week I felt too much hair fall .and I stop the drug but still hair fall is continue so pls tell me what to do with my hair and how I control it. I am taking proper protein diet also.can i use biotin (hairbless capsule)without prescribtion..or it may cause side effect...photos of capsule and content are below...