Biotin alone cannot solve hair loss issue as it addresses one domain. Please avoid self medications as it will cause you more harm. Each medication is designed in a way to give benefit if used in the way they are supposed to be used. You need to be patient with the treatment protocol as it takes months to see initial improvement. Certain dermatologists supplement biotin, hair serum and advice procedures like PRP therapy which may accelerate the rate of hair growth. PRP needs multiple sessions roughly at 6 weeks intervals. PRP therapy is increasingly being accepted by dermatologists all over the world. Apart from active pharmaceutical medicines, a healthy diet and lifestyle is mandatory to achieve results.The hair cycle normally consists of growing, resting and falling hairs and there is a delicate balance between these stages of hair cycle. Normally hair should regrow but if its not happening, you should consider seeing a dematologist. Further information is in the following weblink https://www.aad.org/public/diseases/hair-and-scalp-problems/hair-loss