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K18 Leave-In Molecular Repair Hair Mask is a concentrated leave-in treatment for all hair types that helps reverse hair damage in four minutes. Powered by patented K18Peptide™ technology, it repairs damage caused by bleach, colour, chemical services and heat while restoring strength, softness, smoothness and bounce.
What It Does
- Helps repair damaged hair and reconnect broken keratin chains
- Restores strength, softness, smoothness and bounce
- Helps address damage, split ends and breakage
- Supports hair affected by bleaching, colouring, chemical services and heat
- Provides lasting results with an easy leave-in formula
- Suitable for fine, medium and thick hair
- Suitable for straight, wavy, curly and coily hair
- Colour-safe formula
Key Features
- K18Peptide™ Technology: The patented peptide is designed to reach the innermost layers of the hair and reconnect broken keratin chains associated with strength and elasticity.
- Four-Minute Treatment: Leave the mask in the hair for four minutes to activate before styling.
- Highly Concentrated Formula: A small amount is required compared with traditional hair masks, with an average use of 2 mL.
- Leave-In Formula: Does not require rinsing after application.
- Multiple Damage Causes: Designed to address damage from bleach, colour, chemical services and heat.
- For All Hair Textures: Suitable for straight, wavy, curly and coily hair.
- Vegan & Cruelty-Free: The formula is vegan and cruelty-free and comes in recyclable packaging.
Highlighted Ingredient
K18Peptide™: A patented peptide technology designed to repair damage caused by bleach, colour, chemical services and heat by reconnecting broken keratin chains within the hair.
Ingredient Callouts
Vegan, cruelty-free and packaged in recyclable packaging.
Hair Details
Hair Type: Fine, Medium, Thick
Hair Texture: Straight, Wavy, Curly, Coily
Hair Concerns: Damage, Split Ends, Breakage, Colour Care, Straightening/Smoothing
Fragrance
K18 Signature Scent: A light floral fragrance featuring jasmine and peony.
K18 x Future Society – Floating Forest: A cool, aquatic floral fragrance with notes of bergamot and black pepper, dewy freesia, water lily and rose absolute, with a base of salted musk, wet stones and papyrus.
Clinical Results
In a clinical study on hair that had been bleached eight times:
- After 2 uses, K18Peptide™ restored damaged hair by up to 82%.
How to Use
In the Shower
- Shampoo hair but do not condition.
After the Shower
- Gently towel-dry hair until damp.
- Start with 1 mL or approximately one dime-size amount of K18 Mask.
- Add more only as needed. Average use is 2 mL or approximately two dime-size amounts.
- Work evenly through the hair from ends to roots.
- Allow the product to sit for four minutes to activate.
- Do not rinse.
- Style as usual after four minutes. Heat protectant or styling products can be applied at this stage.
- Use for the first four to six washes, then switch to maintenance use as needed.
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Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
