Product Name: Kiehl's 18 Leave-In Molecular Repair Hair Mask Feature: ✅ DescriptionK18 Biomimetic Hairscience Leave-In Molecular Repair Hair Mask – A professional-grade hair treatment that uses breakthrough peptide technology to repair damaged hair at the molecular level, restoring strength, softness, and bounce. ✅ Overview✔ Patented K18 Peptide™ (from packaging) – Reconnects broken keratin chains caused by bleach, color, and chemical damage, deeply restoring hair structure from the inside out.✔ Leave-in mask (front label) – No rinse required; simply apply to damp hair after washing for clinically proven repair and lasting results.✔ Results after one use (brand claim) – Leaves hair soft, smooth, and resilient with salon-like bounce. Especially effective on heavily damaged strands.✔ Clean formulation – Free from silicones, parabens, and sulfates. Safe for all hair types and textures. ✅ Product InformationCategory: Hair Treatment MaskSize: 50 ml / 1.7 fl ozKey Ingredients: SH-Oligopeptide-78, Hydrolyzed Wheat Protein, Tocopherol (Vitamin E), Propylene Glycol, Citric Acid, Fragrance