Hair and nail vitamins, collagen, hair oil/masks x
Biotin! The gp recommended as my hair was coming out in clumps
All of the above!^ and also, get a small trim, helped mine so much! The hairdresser also said to be mindful of what hairbrush you use to brush your hair, the ones with little round ends on the ends of the bristles tend to pull hair out of your head, especially since out hair post parting is so brittle and easily breaks !
Hairburst x