What it is: Joico K-Pak Professional Cuticle Sealer this double-action pH neutralizer and cuticle sealer is an acidifier that smoothes and tightens the cuticle and locks in curl and color.What it does: The low pH formula reduces hair swelling caused by chemical services such as tinting lightening straightening and perming. It deactivates and removes ammonia and peroxide residues while eliminating perm odors.What else you need to know: This balance of 19 essential amino acids (the building blocks of hair) adheres quickly and effectively to ensure maximum protection and reconstruction from the cuticle to the cortex.Product Options Available are as follows: Size : 10.1 oz - Joico K-Pak Professional - Cuticle Sealer pH Neutralizer Size : 33 oz / liter - Joico K-Pak Professional - Cuticle Sealer pH Neutralizer4.928