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K18

K18 Leave-In Molecular Repair Mask 5ml

SKU: 20026815

In-store pricing may vary by store. 4-minute leave-in treatment to reverse hair damage

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  • A leave-in treatment mask that works on the molecular level to reverse hair damage in just 4 minutes. The K18PEPTIDE is clinically proven to repair damage from bleach + color, chemical services and heat* – with immediate and lasting results to restore strength, softness, smoothness and bounce to hair. Dos and Don'ts *DO clarify before K18 if you’re a heavy product user (demineralize for mineral + metal buildup) *DO apply on clean, damp hair DO wait the full 4 minutes before combing or styling *DO add whatever styling products you love after the 4 minutes *DO use for 4-6 shampoos consecutively for progressive results *DON'T use conditioner before applying K18 Mask (you can apply after the 4 min but most find they don’t need it) *DON'T overdo it—less is more *DON'T rinse it out

    4-minute leave-in treatment to reverse hair damage


    Healthier Hair in 4 minutes¹
    ¹healthy hair - We define healthy hair as hair that exhibits a combination of strength, elasticity, manageability, softness, smoothness, vibrancy, shine and is frizz free' but note that we’re not providing data as substantiation against each of the descriptors where we make healthy hair claims. This also doesn't describe 'healthiest'.
    ¹Results observed as improvements in hair strength and elasticity in scientific-technical testing on bleach-damaged fibers after one 4-minute application of K18 molecular repair hair mask

    Reverses hair damage caused by bleach¹, color¹, chemical services¹, and heat²
    Repairs hair damage caused by bleach¹, color¹, chemical services¹, and heat²
    Renews hair damage caused by bleach¹, color¹, chemical services¹, and heat²
    ¹Results observed as improvements in hair strength and elasticity in scientific-technical testing on bleach-damaged fibers after one 4-minute application of K18 molecular repair hair mask
    ²Results observed as a reduction in hair breakage in scientific-technical testing on tresses damaged hair by 450℉ (232℃) heat after one 4-minute application of K18 molecular repair hair mask

    Immediate and progressive results¹
    ¹Results observed as a progressive reduction in hair breakage in scientific-technical testing on bleach-damaged tresses with repeated 4-minute applications of K18 molecular repair hair mask

  • Vegan, color-safe, cruelty-freeShampoo, do not condition. Towel-dry thoroughly
    Apply 1-3 pumps of K18 leave-in molecular repair hair mask based on your length and density, starting at the ends and working up towards the roots
    Let sit for 4 minutes. Do not rinse out
    Comb, add product + style as usual. Use for 4-6 washes post-salon service, then as needed

  • 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.

  • This product has a purchase limit of 0. If the limit is 0, there is no restriction on the quantity you can purchase.

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