Nexxus Aloe Rid Gentle Clarifying Shampoo cleans the oils from the scalp, where toxins are found. Use as your everyday shampoo in addition to Ultra Cleanse Shampoo. Use the product in the days leading up to your test. Deep cleaning formula delicately removes residual buildup, environmental pollutants, chemicals, chlorine, hard water minerals, and hair dulling impurities. Five ounces of gentle clarifying shampoo. Advanced microsphere technology provides the gradual release.