Hair styling products. SENSCIENCE True Hue Violet Conditioner. The True Hue Violet collection is designed for blonde or white hair because it nuances the color avoiding that ends up looking yellowish. This conditioner smoothes and detangles the hair leaving it soft and manageable. Apply from means to ends on clean damp hair, leave in for a few seconds and rinse well. Your hair will be shiny and protected from external aggressions.