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Leave in repair mask

Leave in repair mask

4.6(149 ratings)

Best price now

$22.00at eBayChecked 1 h ago

24% under what the other stores charge

Compared across 6 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission.

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Price facts

  • Lowest price today: $22.00 at eBay (checked Nov 12, 2026).
  • Checked at 6 stores.

Our take on the Leave in repair mask

K18's leave-in mask is a lightweight, no-rinse treatment built around its peptide-based repair technology, meant to rebuild damaged hair rather than just coat it. You apply it to clean, towel-dried hair and leave it in, so it adds no extra rinse step to your routine. The 0.5 oz size is a trial or travel format, enough to judge whether the formula suits your hair before committing to a larger bottle. It suits people with bleached, heat-styled or otherwise compromised hair who want a leave-in rather than a wash-out mask.

Best forBleached or color-treated hairHeat and styling damageTravel and gym-bag routinesAnyone testing the formula before a full size
Pros
  • No rinse step, so it fits a busy routine
  • Lightweight and fast-absorbing on towel-dried hair
  • Aims at repair rather than surface smoothing
  • Softness and manageability are the stated results
  • Small bottle is easy to carry
Cons
  • 0.5 oz is a small amount for regular use
  • Leave-in formulas can weigh down fine hair if over-applied
  • Results build with repeated use, not one wash
  • Not a substitute for trims on badly split ends

Leave in repair mask prices at every store

  • eBayNew

    In stockSold by luvlifeluvmykids

    $22.00Free shippingChecked 1 h ago
    Visit eBay
  • WalmartNew

    In stockSold by Seller

    $23.99Free shippingChecked 1 h ago
    Visit Walmart
  • eBayNew

    In stockSold by beastofallbeauty

    $24.99Free shippingChecked 1 h ago
    Visit eBay
  • Simply ColourNew

    In stock

    $29.00Free shippingChecked 1 h ago
    Visit Simply Colour
  • zitomer.comNew

    In stock

    $29.00+ $8.50 shippingChecked 1 h ago
    Visit zitomer.com
  • The StudioNew

    In stock

    $29.00+ $10.40 shippingChecked 1 h ago
    Visit The Studio
  • TargetNew

    Availability unknown

    $26.01+ $5.99 shippingChecked 1 h ago
    Visit Target

Also available at

  • AmazonCheck price at Amazon
  • MyBathandi.comCheck price at MyBathandi.com
  • Beauty BrandsCheck price at Beauty Brands
  • Bouffant Hair SalonCheck price at Bouffant Hair Salon
  • BPerfect CosmeticsCheck price at BPerfect Cosmetics
  • BPerfect CosmeticsCheck price at BPerfect Cosmetics
  • K18 HairCheck price at K18 Hair
  • Planet BeautyCheck price at Planet Beauty
  • SMETSCheck price at SMETS

Store links may earn us a commission.

Leave in repair mask price history

Lowest price we've seen: $7.98 on Nov 13 at Amazon. Tracked across 11 stores since Nov 13.

What reviewers say

  • 4.6 / 5149 ratings

Rated 4.6 out of 5 across 149 ratings, the mask draws strong marks from buyers who use it on damaged, bleached or heat-styled hair. Most praise how hair feels softer and easier to manage without a rinse step.

What people mention
  • SoftnessPraisedBuyers say hair feels noticeably softer and smoother after use.
  • Damage repairPraisedReviewers with bleached or heat-styled hair report improvement in how damaged hair looks and feels.
  • No-rinse easePraisedUsers like that it goes on towel-dried hair and stays in, with no extra rinse step.
  • Bottle sizeCriticisedSome say the 0.5 oz bottle is used up quickly with regular application.
  • Weight on fine hairMixedA few report the leave-in can feel heavy on fine hair when too much is applied.

About the Leave in repair mask

K18 Leave-In Molecular Repair Hair Mask is a lightweight leave-in treatment for damaged hair. It improves the appearance of damaged hair and enhances softness and manageability.

The formula absorbs quickly and works without rinsing. Hair feels smoother, healthier, and easier to style. The 0.5 oz size is made for travel.

Size
0.5 oz
Type
Leave-in hair mask
Rinsing
No rinse needed

Specifications

size
0.5 oz

Questions and answers

How do you use the K18 leave-in mask?
Apply a small amount to clean, towel-dried hair and leave it in without rinsing. Style as usual. Start with a little and add more if your hair is long or very damaged.
Is it a conditioner?
No. It is a leave-in repair treatment, not a rinse-out conditioner. It is meant to be used on its own after washing rather than layered with a conditioner.
Will it work on fine hair?
It is lightweight, but fine hair can feel weighed down if you use too much. Use a small amount and build up only if needed.
How long does the 0.5 oz bottle last?
It depends on hair length and how often you apply it. The small size is best treated as a trial or travel bottle rather than a long-term supply.
Can I use it with other styling products?
Yes. It is designed to be left in and styled over, so you can follow with your usual heat protectant or styling products.
Does it help split ends?
It improves how damaged hair looks and feels, but it does not mend split ends. Trimming is still needed for those.
Where is the Leave in repair mask cheapest?
At eBay, for $22.00, 24% under what the other stores charge, as of our latest check.
What do buyers say about the Leave in repair mask?
Rated 4.6 out of 5 from 149 ratings.
Where can I buy the Leave in repair mask?
14 stores we checked sell it, including eBay, Walmart, Target, zitomer.com, The Studio.

Stores we've priced the Leave in repair mask at

  • Beauty Brands deals and prices
  • Target deals and prices
  • Walmart deals and prices

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