The Toning And Thickening Mask For Thin / Tired Hair René Furterer Tonucia Instantly Moisturizes And Untangles The Hair Without Weighing It Down. Enriched With An Extract Of Tamarind Of Plant Origin, Similar In Action To Hyaluronic Acid, This Mask With A Composition Of Aqueous Gel, Gives The Hair Durability, Shine And Incredible Softness.