Joico K-Pak Reconstruct Conditioner 4 oz - This daily conditioner fortifies, reconstructs and strengthens damaged hair. Smoothes, detangles and eliminates static. pH 4.5 to 5.5. Contains Quadramine Complex, an exclusive blend of positively charged, low molecular weight and size proteins (MWS 150-2500). 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. GREAT REFILLABLE TRAVEL SIZE.