Cantu Guava & Ginger Exfoliating Scalp Pre-Cleansing Treatment 400 ml Cantu Guava & Ginger Exfoliating Scalp Pre-Cleansing Treatment. This treatment contains incredible superfood ingredients that stimulate healthy hair growth and optimally exfoliate the scalp. Guava, Ginger, Turmeric, Apple Cider Vinegar, and Tea Tree Oil work together to give your hair and scalp the super-powerful pre-cleanse you've always wanted. Plus, we created this unique formula with our curly, kinky, and wavy hair queens in mind. It's time to give your hair the superfood treatment it deserves.