Mediceuticals Therapeutic Scalp & Hair Conditioner 1000ml. Therapeutic rinse treatment is a soothing conditioner for hair and scalp. Lightly conditions and detangles hair. Controls dry, itchy, flaky conditions. Reduces redness and inflammation. Can be used on all your body. Use on sunburned skin to remove the sting Add into you colour to reduce itching on your scalp. How to use Apply to washed and towel dried hair, leave on for 2-3 minutes and rinse well.