NEOPLEX is a professional-grade hair treatment that combines advanced technology and high-quality ingredients to deliver exceptional results.This is to be used after the Neoplex Pre shampoo. The results are long-lasting and picture perfect with 0% formaldehyde, it is gentler on hair.Neoplex is the only treatment in the industry that works on cuticle and cortex both layers of your hair.This product works on a molecular level to repair and strengthen the hair structure, revamping all layers including the cuticles and the cortex. The Neoplex Protein Alignment Sealant is effective on damaged, porous hair along with henna-coated and color-treated hair while thickening each hair strand. The product improves hair elasticity, smoothness, softness, and shine and helps repair hair internally by working on di sulfide bonds damaged by external factors.