Matrix Opti.Care Smooth Straight Shampoo is ideal for straightened hair and helps cleanse your tresses gently yet effectively. The Matrix Smooth Straight Shampoo is notable for maintaining straight hair for up to 72 washes. The Matrix Smoothing Shampoo is suitable for chemically-treated hair as it nourishes and moisturises your locks with ingredients like shea butter, essential fatty acids, vitamins A and E. After straightening your hair at the salon, the Matrix Opti.Care Shampoo tames your locks and maintains the smoothness in your hair. The Opti.Care smoothing shampoo for split ends also protects your hair from external aggressors and helps soften the texture. So, reconstruct your post-straightening hair care routine with Matrix Opti.Care Smooth Straight Shampoo. Manufactured in India. HOW TO USE Step 1 – Wet your hair thoroughly before using the smoothing shampoo. Step 2 – Apply the Matrix Opti.Care Shampoo to the wet hair and form a lather using gentle massaging motions. Step 3 – Rinse your hair thoroughly till you wash off the smoothing shampoo. Step 4 – Let your hair air-dry or you can also blow dry for a perfect smooth finish.