A professional smoothing mask that moisturizes and tames hair strands, making them extra soft and shiny. Thanks to innovative technology, it intensively nourishes the hair fiber, providing a smoothing effect and effective frizz control. Complete your hair care routine with the Keratin Alpha Sleek professional smoothing mask. Its formula is designed to provide hair with the necessary hydration, while ensuring intense smoothness and softness. Thanks to innovative technology, the mask actively cares for the hair fiber, giving it a healthy appearance and making daily styling easier. The results are visible after the first use - the mask reduces frizz by 84%¹ and increases hydration by 61%¹. It is an indispensable part of the routine, giving hair 74% more shine and softness. ¹ Instrumental test after using the mask.