TRESemmé Keratin Smooth & Straight Conditioner is a professional-quality smoothing conditioner formulated to control frizz, soften unruly strands and leave hair sleek and manageable. Its formula is enriched with Hydrolyzed Keratin and Argan Oil to provide targeted conditioning care for hair prone to roughness, flyaways and frizz. Hydrolyzed Keratin conditions the hair fibre and improves the feel of rough or damaged-looking strands, while Argan Oil provides nourishing care that supports softness, smoothness and healthy-looking shine. The formula also contains Cetearyl Alcohol and Behentrimonium Chloride, conditioning ingredients that soften hair and improve manageability, while Glycerin supports moisture retention. Dimethicone and Amodimethicone coat and smooth the hair surface, reducing the rough feel of strands and supporting a sleek, polished finish. Lactic Acid contributes to the conditioning formula and supports an optimal formulation environment for smoother-feeling hair. Designed to complement the TRESemmé Keratin Smooth & Straight hair care routine, the conditioner delivers up to 72 hours of frizz control and professional-quality smoothness, leaving hair softer, shinier and easier to style.