NIB Brand New in box . LAST ONE . Authentic! This stuff is amazing .. if you know .. you know! Authentic product . Research online before you buy K18 . Pictures below are of my personal bottle. My daughter is a stylist at a Kérastase salon. They took on a new line and that how I got these. Took outer wrapping to confirm code on bottom of bottle . K18 HAIR Biomimetic Hairscience Leave-in Molecular Repair Hair Mask Retail $75.00 A leave-in treatment mask for all hair types that clinically reverses damage in four minutes. The patented peptide technology works to repair damage from bleach, color, chemical services, and heat, restoring strength, softness, smoothness, and bounce to hair. This mask is powered by the patented K18Peptide, which is just the right size and molecular structure to reach the innermost layers of hair and reconnect broken keratin chains responsible for hair's strength and elasticity. - Restores strength, softness, smoothness, and bounce - Repairs damaged hair - Easy leave-in formula delivers lasting results - K18Peptide: Repairs damage from bleach, color, chemical services, and heat. Fragrance Description: The light floral scent features notes of jasmine & peony. Please check out my other listings for I do combine shipping and offer discounts on bundles ! I have many items newly listed .. cosmetics, skincare, Intimates, Bras, pajamas, loungewear, Shapewear, listed from Victoria's Secret, Pink, Agent Provocateur, lululemon, & New & also Vintage & more !!