Product Details

One of the most viral and sought-after hair treatments on the market! The K18 Leave-In Molecular Repair Hair Mask is a salon-favorite that helps repair damage from bleach, color, chemical services, and heat in just 4 minutes using K18's patented peptide technology. Unlike traditional conditioners that simply coat the hair, K18 is designed to help repair hair at the molecular level for stronger, softer, smoother, healthier-looking hair. Activate 3% Cash Back Features ✨ Full-Size 1.7 oz / 50 mL bottle ✨ Patented K18PEPTIDE™ technology ✨ Leave-in treatment—no rinse required ✨ Works in just 4 minutes ✨ Helps repair damage from: Bleach Color treatments Heat styling Chemical services ✨ Suitable for all hair types How to Use ✔ Shampoo hair (skip conditioner) ✔ Towel dry thoroughly ✔ Apply 1–3 pumps depending on hair length and thickness ✔ Wait 4 minutes ✔ Style as usual—do not rinse Why Everyone Loves K18 💖 Viral salon favorite 💖 Over 20 billion TikTok views 💖 Lightweight formula that won't weigh hair down 💖 Helps restore softness, strength, shine, and manageability Condition ✅ Brand New Retail Value 💲 MSRP: $75 for the full-size 1.7 oz bottle on the official K18 website and at Sephora. Everything shown is included! If your hair has been damaged by bleaching, coloring, heat styling, or chemical treatments, this cult-favorite K18 mask is one of the most talked-about hair repair products in the beauty industry—and for good reason. Treat your hair to salon-quality repair at home! 💖