After haircut
According to the American Society of Dermatology, after a hair cut in an average healthy person, it is usually a month to regrow your hair back by half an inch. If you are a female and lost inches of hair in a haircut, remember it takes almost a year to regrow about six inches of new hair.
In respect to this, can hair grow back after thinning?
Thinning hair can grow back depending on what caused it to thin in the first place. Individuals who experience thinning hair due to nutrient deficiencies, stress, pregnancy, and other non-genetic reasons could experience regrowth. If you’re experiencing new hair loss or hair thinning, it’s best to consult your doctor.