Leave-In Molecular Repair Hair Mask

by K18

Leave-In Molecular Repair Hair Mask

Name: Leave-In Molecular Repair Hair Mask
Brand: K18
Price: 34.0 EUR
Availability: InStock

€34,00

Dr Laura's Notes

This is for you if…

Bleaching, colouring, or heat styling has left your hair brittle, dry, or breaking when you brush it.

🤰 Pregnancy Safe

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A leave-in peptide treatment that rebuilds damaged hair from the inside, restoring strength, softness, and shine.

K18 PEPTIDE: A 4-amino acid bioactive peptide that bonds to damaged hair and rebuilds broken keratin chains from inside the strand, restoring strength rather than just coating the surface.

REPAIRS DAMAGED HAIR: Rebuilds broken bonds from inside the strand, so results last through repeated washes.
REDUCES BREAKAGE: Hair snaps less in the brush, in the shower, and through daily styling.
RESTORES SOFTNESS AND BOUNCE: Hair feels healthier and more manageable, holds styles better, and looks shinier.

Why It's Phare Approved

Damaged hair affects more than appearance, it changes how my patients feel about themselves. Repair products that only coat the surface wash out quickly, which is why people give up on hair masks. K18 uses a peptide that bonds inside the strand and rebuilds damaged keratin chains, so the results last. Hairdressers championed it because they could see it work in salon. It earns its price by doing what it claims, fits into any wash in four minutes, and I stock it for anyone bleaching, colouring, or heat styling who wants soft hair again.

1. After shampooing, towel-dry hair until damp, not soaking. Don't apply conditioner first, it can block the peptide.
2. Apply 1 to 4 pumps depending on hair length and damage, focusing on mid-lengths and ends.
3. Distribute evenly through the hair, then wait four minutes. Don't rinse.
4. Style as normal. Use every wash for the first four to six washes, then every third or fourth wash to maintain.
Water (Aqua), Alcohol Denat., Propylene Glycol, Cetearyl Alcohol, Behentrimonium Chloride, Hydrolyzed Wheat Protein, K18Peptide™, Panthenol, Glycerin, Isopropyl Myristate, Phenoxyethanol, Ethylhexylglycerin, Fragrance (Parfum).

They work in different ways. Olaplex creates new bonds by linking broken disulfide groups. K18 uses a peptide that bonds into damaged areas of the hair shaft and rebuilds keratin chains. Both can be useful and many people use them alongside each other. K18 has the advantage of being leave-in, so the peptide stays in contact with the hair for hours after application.
No. The formula is light enough for fine hair and doesn't leave a residue. Start with 1 to 2 pumps if your hair is fine, and increase only if you need more. People with all hair types use it.
The mask is the hero product and the one I'd recommend starting with. It works without the rest of the K18 range, though using the K18 shampoo alongside it can help maintain results between deeper treatments. Plenty of customers see strong results with just the leave-in mask.
Most people notice softer, smoother hair after the first use. The repair effect builds with consistent use over the first four to six washes. After that, hair feels stronger, breaks less, and holds styles better. The brand calls this the reset period.

Leave-In Molecular Repair Hair Mask

€34,00

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Leave-In Molecular Repair Hair Mask

Leave-In Molecular Repair Hair Mask

Why It's Phare Approved

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Leave-In Molecular Repair Hair Mask