This professional finishing spritz polishes and locks in shine while lightly shielding the hair to resist humidity. Formulated with smoothing ingredients to increase manageability while styling, it features a light hold to help retain style memory. A perfect on-the-go anti-frizz smoothing treatment, this heat protectant hair primer is a must-have for a glossy blowout with salon-perfect results. Great for creating a sleek updo, and maintaining straight, silky locks all day long - especially effective when used after shampoo and conditioner as part of the Thermasmooth Complete Blowout System.