The ApHogee Hair Strengthening Kit is a convenient way to help stop hair breakage for weeks and to prepare hair for any chemical service. This two-part system strengthens with protein and then softens with moisturizers and emollients. Itýýýs effective on even the most damaged hair, works in minutes and lasts through multiple shampoos. Depending on hair type and care regimen, benefits last 2-3 weeks per application.