“If a follicle has closed, disappeared, scarred, or not generated a new hair in years, then a new hair wouldn’t be able to grow,” Fusco says. But if the follicle is still intact, yes, it is possible to regrow the hair—or to improve the health of the existing thinner hairs.
Can your body make new hair follicles?
This is the largest number of hair follicles a human will ever have, since we do not generate new hair follicles anytime during the course of our lives. Most people will notice that the density of scalp hair is reduced as they grow from childhood to adulthood. The reason: Our scalps expand as we grow.
Can dead hair follicles grow back?
It’s important to remember that hair follicle cells die, but hair regrows after the follicles rest. When your hair follicles are dead, they do not regrow hair. … Even if you only see thin hair patches or fuzzy texture, your hair follicles are still alive and will continue to renew themselves.