DAMAGE SHIELD Protective Conditioner by K18 Biomimetic Hairscience, 250 ml bottle for hair protection from daily damage, UV rays, and styling.
DAMAGE SHIELD Protective Conditioner by K18, nourishes, shields from UV, mechanical styling, and environmental aggressors, vegan, cruelty-free.
DAMAGE SHIELD Protective Conditioner for 3 days of protection against UV rays, mechanical styling, and environmental aggressors.
Infographic explaining why hair needs a shield from UV rays, mechanical styling, and environmental aggressors with illustrations.
Infographic showing how ceramide blend and biotech-produced polysaccharide protect hair from damage and K18PEPTIDE™ replenishes hair.
K18 healthy hair routines featuring Damage Shield protective conditioner and Peptide Prep clarifying shampoo to repair and protect hair from damage
Two smiling women showcasing healthy hair while promoting DAMAGE SHIELD Protective Conditioner to protect hair from daily damage.
Weightlessly soften, smooth, and detangle hair with nourishing conditioner free from film-forming silicones or waxes.
Applying DAMAGE SHIELD Protective Conditioner by K18 for hair health, smoothness, and shine against UV rays, styling, and environmental damage

DAMAGE SHIELD Protective Conditioner

Any 3 = 15% off | Any 5 = 20% off
Regular price$54.00 CAD
/
Shipping calculated at checkout.

Sale ends in {timer}


Size
  • In stock, ready to ship
  • Authorized K18 Retailer
Receive between . Order within
Description

A nourishing, protective conditioner that helps shield hair from daily damage to help maintain hair health and improve smoothness and shine. Engineered to weightlessly soften and detangle while the K18PEPTIDE™ helps replenish hair during washing.

protects from damage for up to 3 days from:

  • UV rays
  • mechanical styling
  • environmental aggressors
more to know

Clinically proven to provide conditioning protection against damage from UV rays, mechanical styling, and environmental aggressors for up to 3 days*. Fortifies, softens, and detangles hair.

  • Defends against damage: Conditioning protection against damage from UV rays, environmental aggressors, and daily mechanical styling for up to 3 days
  • Maintains hair health: Fortifies hair’s exterior lipid barriers to make hair more resilient and resistant to damage. K18PEPTIDE™ replenishes protein lost during washing.
  • Enhances hair’s natural shine: pH-optimized formula minimizes excess cuticle swelling during washing to help keep hair smooth and maximize shine.
    Softens, smooths, and detangles: Without film-forming silicones or waxes that can build up over time and weigh hair down.
key benefits
  • Biotech-Produced Polysaccharide acts as a biomimetic shield to protect hair against pollution and environmental aggressors
  • Fortifying Ceramide Blend seals damage sites in the hair cuticle—smoothing and protecting hair from further damage
  • K18PEPTIDE™ replenishes protein lost during washing
how to use
  1. Apply a small amount of DAMAGE SHIELD protective conditioner from mid-lengths to ends and build as needed.
  2. Rinse thoroughly.
  3. For best results, use after shampooing with DAMAGE SHIELD shampoo.
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.

Disclaimer

Clinically proven to provide conditioning protection against damage from UV rays, mechanical styling, and environmental aggressors for up to 3 days¹
¹Results observed as an improvement in protein condition and a reduction in hair breakage in scientific testing of hair tresses subject to a simulated three-day exposure to UV versus tresses not treated with K18 DAMAGE SHIELD protective conditioner
¹Results observed as a reduction in deposition of pollution in scientific testing of hair tresses subject to a simulated exposure to pollution versus tresses not treated with K18 DAMAGE SHIELD protective conditioner

94% agreed hair did not feel weighed down¹
91% agreed hair felt softer²
¹Results observed in a consumer test of 35 subjects after 1 day of usage of the Damage Shield protective conditioner
²Results observed in a consumer test of 35 subjects after 21 days of usage of the Damage Shield protective conditioner

Protect your healthiest hair¹
¹We define “your healthiest hair” as hair that exhibits a combination of strength, elasticity, manageability, softness, smoothness, vibrancy, and shine. It is hair that you feel confident in, and which you repair regularly with K18 molecular repair products.

We understand the importance of using genuine beauty products. That's why we're proud to be an authorized retailer for all the brands we carry. When you shop with us, you can be sure you're getting fresh, authentic products delivered directly from the brands themselves.

Why Choose Authorized Retailers?

Unfortunately, counterfeit and expired products are a real concern online. Shopping with unauthorized sellers puts you at risk of receiving ineffective or even harmful cosmetics.

Here's why Boutique Deauville is your trusted source for beauty essentials:

  • Guaranteed Authenticity: We source directly from brands, ensuring you receive only genuine products.
  • Fresh Inventory: Regular shipments mean you get the latest formulations with optimal shelf life.
  • Safe & Effective: Avoid the risks associated with counterfeit or expired cosmetics.

Deliveries of our packages are made without a signature. During checkout, you can add a signature for $5 if your order is less than $299. Orders $299+ will all be shipped with a Signature Included.

  • All orders are shipped using UPS or Canada Post
  • Orders will be processed within 1-2 business days, Monday to Friday.
  • Shipping can take up to 7 business days to receive depending on your location.
  • You will be notified within 24 hours of any order issues that may occur

Peak Times Disclaimer:

  • During peak times like Holidays and promotions such as Black Friday and Boxing Day, due to high order volume, your items may take longer.

If you entered your address incorrectly when making your order, we are not liable. Don't forget to enter the right shipping information!

If you have any questions, don't hesitate to contact us by email or the chat bubble in the right corner. We'll get back to you right away

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.


Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)