K18 Damage Shield Protective Conditioner — 8.5 fl oz Daily UV & Pollution Defense, Strengthens & Adds Shine

This lightweight conditioner works between K18 treatment mask days or as a standalone daily defense to help hair stay smoother, stronger and more resilient. The formula focuses on fortifying the hair’s exterior lipid layer, replenishing protein lost during washing, and controlling cuticle swelling so strands look and feel healthier without silicones or waxes that cause buildup.

How does K18 Damage Shield protect hair from everyday damage?

It creates a protective barrier against common stressors—sun exposure, airborne pollutants and mechanical abrasion from brushing or styling—for up to three days after application in lab simulations. Protection is delivered through a conditioning system that reinforces the hair surface and reduces deposit accumulation.

• Guards cuticles from excess swelling to reduce weakness.
• Limits pollution deposits in simulated exposure tests.
• Helps resist UV-related protein degradation in lab settings.

What does it do for strength, softness and detangling?

The formula fortifies the hair’s outer lipid barrier and replenishes protein lost during washing, which increases resilience and makes strands easier to comb. You’ll notice smoother texture and less friction, which helps cut down on breakage during styling and detangling.

• Replenishes protein to support strand integrity.
• Smooths and softens without heavy film-formers.
• Improves wet-combing to reduce mechanical breakage.

Will K18 Damage Shield affect shine and frizz?

Yes — the pH-balanced formula minimizes excess cuticle swelling during washing, which helps keep the surface flatter and more reflective. That results in enhanced natural shine and improved manageability with reduced frizz without relying on silicones.

• pH-optimized to limit cuticle lift and preserve gloss.
• Lightweight conditioning for high shine without greasiness.
• Controls surface texture to calm frizz between treatments.

How should I use this conditioner in my routine?

Use after shampooing as a daily conditioner or on days between K18 treatment masks to maintain protection and hydration. Apply to mid-lengths and ends, leave on briefly, then rinse; it’s designed to layer with other K18 products without causing buildup.

• Apply after cleansing, focus on mid-lengths and ends.
• Rinse after a short leave-on period for lightweight conditioning.
• Use between K18 treatment mask days for ongoing defense.

Who is this for: K18 Damage Shield Protective Conditioner suits people who want daily protection from sun, pollution and styling stress while keeping hair soft, shiny and manageable. It’s formulated for those who prefer non-greasy, non-build-up conditioning that complements salon treatments and supports healthier-looking strands between deeper repair sessions.

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.