How long does a keratin treatment last on hair? A Hair keratin treatment is one of the most popular solutions for achieving smooth, shiny, and frizz-free hair. Many clients who visit a Barber shop often ask how long the results will actually last. The answer depends on several factors, including hair type, maintenance routine, and the quality of the treatment used.
Typically, a professional keratin treatment lasts between 3 to 5 months....