5.1 ozKill routine with Osis SoftN'Straight Smoothing Straightening Emulsion, an essential tool for leaving your hair straight and beautiful all day long. This medium control emulsion works significantly to prevent split ends and hair breakage. With Osis SoftN'Straight you can expect sleek hair all day long. Straight hair for a longer, smoother, more touchable finish, and heat damage protection is guaranteed when you apply SoftN'Straight, thanks to a combination of oil and moisturising panthenol. Get inspired and creative with this product from the inspiring Osis range. SoftN'Straight Smoothing Emulsion has an Osis Control Level of 2 for medium control, natural movement and style.