L'Oreal Texture Expert Fluid Intense Straightening Serum 4.2 oz for Coarse / Rebelious Hair target Texture and Client desires. Intensely rich styling serum, helps decrease styling time and provides impeccable brush glide. Delivers glasslike reflection and intense humidity protection. " Transform Coarse / Rebelious textures into controlled, controured, radiant styles. Directions: Apply sparingly to damp hair then blow dry. For even greater straightness finish with flat-iron. Styling Tip: Finish the style with a flat iron to infuse the serum's frizz fighting properties and intense shine deep within the hair strand.