Is it true that … hair grows faster when you cut it?

Does a good trim really make your locks longer and thicker – or is it more complicated than that?‘That’s not true,” says Desmond Tobin, professor of dermatological science at University College Dublin. Hair grows from follicles – tiny structures in the scalp sitting 2-4mm beneath the skin. Inside each follicle, the hair fibre is formed long before it becomes visible at the surface of the scalp. By the time it emerges, the hair that you’re c