Joico K-Pak Deep Penetrating Reconstructor (1L) helps to repair & restore stressed, damaged & chemically-treated hair. Enriched with Joico’s Quadramine® Complex & Bio-Advanced Peptide, it works to replenish lost amino acids, delivering maximum protection from the cuticle to the cortex. Your hair will be left feeling soft & supple. Directions of Use: Apply to damp hair Leave on for 5 minutes Rinse thoroughly Use 1-3 times per month