With Mango Oil and Almond Oil This conditioning elixir with Sweet Almond and Mango Oils works perfectly with heat to straighten hair without heaviness, greasiness, or build-up. Our Thermal Smoothing Serum is formulated to strengthen from within and protect hair from heat styling damage. Hair remains incredibly smooth and full of movement with shine that lasts. Great for transitioning out of your relaxer. Hair Types: Relaxed, Natural, Color Treated, and Over-Processed Hair