Keratin Alpha Sleek smoothing treatment helps transform unruly hair into a smoother, softer, and more polished finish. Ideal for controlling frizz and improving manageability, it leaves the hair fiber feeling more disciplined, shinier, and easier to style. Helps visibly smooth the hair fiber Controls frizz and improves manageability Leaves hair softer, shinier, and more supple HOW TO USE Apply the treatment according to the recommended professional protocol to smooth the hair fiber and improve control. Distribute evenly through the lengths, then continue with the styling steps best suited to the desired result.