Cantu’s Guava & Ginger Treatment Serum is an oil-based leave-in solution that soothes dry, itchy scalp. Formulated with a nourishing blend of guava, ginger, carrot oil, and tea tree oil, this treatment penetrates the scalp, relieving irritation and promoting healthy hair growth. Apply to dry, flaky areas between shampoos, or use as a hot oil treatment for intense moisture.