Contrary to popular belief, there is no need to cleanse the scalp, especially if you want to shampoo twice before conditioning. Conditioner, which originated as “brilliantine,” is created by. Moist Shampoo, InVite® 16 oz Herbal Stimulating Shampoo, Coppola Keratin Complex 13.5 oz. It sounds too good to be true, but conditioner washing, aka “co-washing,” has. Smoothing Argan Conditioner, $12.99, available at The Seaweed Bath Co.