Deep hydration – Liss Expert Professional Hair Treatment combines keratin with nourishing oils to deeply moisturize and smooth hair. Ideal for all hair types, it restores softness, shine, and manageability while reducing breakage, plus plant-based stem cells to stimulate the hair growth and control the hair loss. Long-lasting salon-quality results – Achieve sleek, soft, frizz-free, and shiny hair for up to 12 weeks with Liss Expert Professional Hair Treatment, delivering professional performance and healthy-looking results from home. Flat iron required for optimal sealing and lasting smoothness. Advanced multi-ingredient keratin formula – Infused keratin, argan oil, collagen and nourishing actives, this keratin treatment repairs, hydrates, and smooths all hair types, restoring shine and softness without heavy buildup. Easy application – 3 easy steps designed for convenience, Liss Expert Professional Hair Treatment is simple to apply, saving you time and money. Enjoy professional-quality, long-lasting results at home with smooth, shiny, and frizz-free hair. Clean & conscious care – Our keratin treatments are formaldehyde Free. We’re committed to clean, ethical, and nourishing care that respects your hair and the planet. Follow directions precisely for lasting results – For best results and smooth, straight hair that lasts up to 12 weeks, follow each step of the included guide carefully. Proper use and titanium flat ironing are essential for salon-quality results and durability. Liss Expert is the first Express Smoothing Treatment that works at the level of stem cells. Your hair will be healthy, polished, straight and frizz free for 3 months.