K18 Biomimetic Hairscience K18 Leave In Molecular Repair Hair Mask 50ml


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Code K18-MASK

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Product Info

K18 Leave-In Molecular Repair Hair Mask is a 4-minute leave-in hair treatment that will leave your hair feeling strong, soft, smooth and bouncy. This ultimate hair mask is infused with the K18 patented K18 peptide that repairs even the most extremely damaged hair back to its original youthful state. 

  • Repairs damage caused by bleach, colour, heat chemicals and more
  • Treats the inner layer of hair compared to other traditional hair products
  • Reconnects broken keratin chains
  • Results are seen with 1st application
  • Can reverse hair damage in 4 minutes
  • Cruelty-free & Vegan
How To Use

Best used with the K18 shampoo and for the first 4-6 washes of hair, then followed by every 3-4 washes for maintenance.

Apply 1-3 pumps of K18 Leave In Molecular Repair Hair Mask (Depending on hair length) to clean towel-dry hair, and work from the ends to the root. Apply 1 pump first and if more is needed apply 1-2 extra pumps depending on hair length.

Before applying to the hair, dispense the 1 pump of hair mask into the palm of your hand and activate it by rubbing it together for 20 seconds and then apply to the ends of your hair working up to the roots.

  • Leave the hair for 4 minutes
  • Do not rinse out
  • After 4 minutes, style or add any other products to your hair.
  • No need for conditioner
  • A little goes a long way
Active Ingredients

Water (Aqua) (Eau), Alcohol Denat., Propylene Glycol, Cetearyl Alcohol, Dicaprylyl Ether, Cetyl Esters, Behentrimonium Chloride, Polysorbate 20,sh-Oligopeptide-78 (K18Peptide™), Hydrolyzed Wheat Protein, Hydrolyzed Wheat Starch, Isopropyl Alcohol, Tocopherol, Phenoxyethanol, Potassium Sorbate, Citric Acid, Fragrance (Parfum), Geraniol, Linalool, Hexyl Cinnamal, Benzyl Alcohol.

Always check the product for updates

Free Shipping & Delivery Options

Delivery Within Ireland 

  • Free Delivery Over €45
  • Orders will be dispatched within 1 working day
  • Shipping for orders under €45
    • €4.99 for An Post (order by 3pm for same day dispatch)
    • €4.99 for Fastway (order by 3pm for same day dispatch)
    • €5.99 for DPD (order by 1pm for same day dispatch)

European Courier Delivery (DPD) Deliveries to France, Germany, Netherlands, Spain, Italy, Denmark, Poland, Austria, Belgium, Sweden, Portugal & Finland will now use a courier service. This is a faster shipping service than current postal times with shipping now estimated within 5-7 working days.

Other International Deliveries
For more information on international delivery, please read our Delivery Information page.

La Roche Posay & Vichy products are only permitted to be sold within EEA/EFTA countries.

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