Joico’s K-pak Cuticle Sealer smoothes and tightens the hair cuticle with a blend of 19 essential amino acids and Hydrolyzed Human Hair Keratin. This low pH formula effectively removes residues and restores moisture.Locks in curl and color, adding incredible shine. Enriched with Jojoba Seed Oil, it leaves hair looking healthy, feeling smooth, and reduces swelling, resulting in a lustrous finish.