REVERSE HAIR DAMAGE IN ONLY 4 MINUTES WITH @k18hair It's true!! K18 is the best thing on the market right now and YOU NEED TO TRY IT!K18 can progressively renew the hair’s keratin dimer structure (which is key to repairing hair) while also reconforming the disulfide bondsWhen using K18 in the salon, the hair’s broken keratin chains are reconnected to restore hair back to near virgin strength and elasticity.