Quadramine Complex This lightweight balancing shampoo contains evening primrose oil, rich in essential fatty acids, to actively maintain hair's natural health. pH 4.5 - 5.5. Contains Quadramine Complex,TM 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. Guaranteed when purchased from a professional stylist only. Made in U.S.A.

• pH 4.5 - 5.5
• MWS 150 - 2500