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K18

Holiday Duo

"Restores strength and freshness with K18PEPTIDE leave-in repair and biotech-powered dry cleanse"

$127.95
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SKU: 357139

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All about

K18 Holiday Duo

Discover the K18 Holiday Duo, a biotech-powered pairing designed to revive compromised hair and keep it feeling fresh between washes. The leave-in molecular repair mask works from the inside out to reconnect broken keratin chains, helping restore strength, elasticity, softness and smoothness after colouring, chemical services and heat styling, while the AirWash dry shampoo absorbs oil and eliminates odour without heavy buildup or white residue.

This lightweight routine is suitable for all hair types and textures, delivering moisture without weighing hair down and helping you go longer between washes while keeping hair bouncy, manageable and renewed. Used consistently, the K18 Holiday Duo supports healthier-looking hair and scalp, reduces breakage and improves overall manageability between salon appointments.

Pack Contains:
  • K18 Leave-In Molecular Repair Mask 50ml
  • K18 AirWash Dry Shampoo 47ml
Benefits:
  • Helps restore hair strength, elasticity, softness and smoothness after chemical services, colouring and heat styling.
  • Absorbs excess oil and eliminates odour without visible residue, helping extend time between washes.
  • Supports healthier-looking hair and scalp with improved manageability and reduced breakage over time.

How to use
1. Start with freshly washed hair and skip conditioner so the treatment can work effectively 2. Towel dry thoroughly until hair is damp, not dripping 3. Apply 1–3 pumps of the leave-in molecular repair mask, starting at the ends and working up through the mid-lengths 4. Comb through for even distribution and leave in for at least 4 minutes without rinsing 5. Style as usual and use for the first 4–6 washes after colour or chemical services, then weekly or as needed 6. On dry hair between washes, section hair and hold the AirWash dry shampoo 10–15cm from the scalp 7. Spray one pump per section, focusing on oiler areas like roots 8. Massage in with fingertips, then brush or restyle for a refreshed finish 9. Use AirWash whenever hair feels oily or needs a refresh, and avoid over-applying for the lightest feel
Ingredients

K18 Leave-In Molecular Repair Mask
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.

K18 AirWash Dry Shampoo
Water (aqua) (eau), Alcohol denat., Silica, Tetraselmis suecica extract, Arginine, Lactic acid, Sodium hyaluronate, Glycerin, Mannitol, Gellan gum, Hydrolyzed hyaluronic acid, Sodium phytate, Tromethamine, Escherichia coli extract/sr-(methionyl tripeptide-46 hexapeptide-40 decapeptide-27 methionyl, s-pig polypeptide-2 oligopeptide-234 sh-oligopeptide-78), Potassium sorbate, Sodium benzoate, Citric acid, Sodium chloride, Fragrance (parfum), Linalool, Hexyl cinnamal, Limonene, Benzyl alcohol.