MK Majestic Replenishing Shampoo is specially formulated to ensure the ultimate protection of all MK Hair Treatments- MK Plant-Based Keratin- Argan Oil and other essential nutrients from your hair. MK Shampoo has a balanced PH that is compatible with the natural PH of the hair and is safe to use on colored treated hair. Benefits: Provide hydration + Softness to your hair Free of SLS (Sodium Lauryl Sulfate) and SLES (Soduim Lauryl Sulfate for hair color protection. Free of Sodium Chloride to preserve the longevity of your MK Hair Treatments.