K18 Damage Shield Protective Conditioner — 8.5 fl oz Daily UV & Styling Protection, Strengthens and Adds Shine

K18 Damage Shield Protective Conditioner is a daily conditioner that protects hair from UV, pollution and mechanical styling while improving strength, smoothness and shine.

Lightweight yet deeply fortifying, this pH-optimized conditioner supports hair health between K18 treatment mask sessions. It replenishes lost protein with the brand’s K18PEPTIDE, strengthens the hair’s outer lipid layer, and provides short-term defense against environmental and styling damage for up to three days. The formula avoids heavy silicones and waxes, so hair feels soft and detangled without buildup.

How does this conditioner protect hair during everyday styling?

The conditioner creates a resilient outer layer that helps reduce breakage from brushing, heat tools and friction. By reinforcing the exterior lipid barrier and delivering K18PEPTIDE, it helps hair resist mechanical stress while maintaining manageability and shine.

• Fortifies outer lipid layer to reduce mechanical wear
• K18PEPTIDE replaces protein lost in washing and styling
• Non-film-forming formula avoids buildup that can increase friction
• Provides up to three days of protective effect between washes*

Will this conditioner help my hair look shinier and smoother?

Yes—its pH-balanced composition minimizes cuticle swelling after shampooing, which helps hair lie flatter and reflect light more evenly. The result is improved natural shine and a smoother feel without heavy coatings.

• pH-optimized to reduce excess cuticle lifting
• Softens and smooths hair strands for better light reflection
• Detangles to prevent snagging that dulls hair appearance

Is this safe for color-treated or chemically processed hair?

• K18PEPTIDE helps restore protein lost during chemical services
• Non-weighting ingredients reduce risk of color dulling from buildup
• Designed to work between deeper K18 treatment mask sessions

How should I use this product for best results?

Apply after shampooing to clean, damp hair. Work through mid-lengths to ends, leave for a short moment, then rinse. Use it regularly between more intensive K18 mask treatments to maintain strength, shine and protection.

• Apply to wet hair after cleansing; focus on mid-lengths and ends
• Leave briefly for conditioning action, then rinse fully
• Use on alternating days or as part of daily care to extend protection up to three days

Who is this for: K18 Damage Shield Protective Conditioner is made for anyone who wants a lightweight daily conditioner that shields hair from everyday environmental and styling damage while improving manageability, shine and resilience. It’s especially suitable for color-treated, chemically processed, or frequently styled hair that needs ongoing protein support without the weight or buildup of heavy silicones and waxes.

Ingredients

Water (Aqua) (Eau),Isopropyl Palmitate,Stearyl Alcohol,Propanediol,Isopentyldiol,Behentrimonium Chloride,Tocopherol,Tocopheryl Acetate,sh-Oligopeptide-78,Alteromonas Ferment Extract,Prunus Amygdalus Dulcis (Sweet Almond) Oil,Simmondsia Chinensis (Jojoba) Seed Oil,Phospholipids,Jojoba Esters,Calcium Gluconate,Hydroxypropyl Guar Hydroxypropyltrimonium Chloride,Ceramide NP,Phytosteryl/Isostearyl/Cetyl/Stearyl/Behenyl Dimer Dilinoleate,Polyquaternium-16,Stearalkonium Chloride,Isopropyl Alcohol,Butylene Glycol,Gluconolactone,Phenoxyethanol,Sodium Benzoate,Citric Acid,Sodium Hydroxide,Fragrance (Parfum),Hydroxycitronellal.