Nigelle ER Hair Treatment is critical care for thermally reconditioned hair. Nigelle ER Shampoo and Nigelle ER Treatment work together to repair damage and lock in moisture that gives hair softness and shine. They even smooth out new growth so its easy to manage. With Nigelle ER, from roots to ends, your hair will always look naturally healthy. Nigelle ER Treatment uses High Penetration Cholesterol and Aqua Amino Phytosterol repair internal damage for hair?s softness. Also, Sugar Ester, Aqua Gultamic Acid Derivative, and PE Derivative form an Aqua Veil to smooth out hair?s surface and increase shine.