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Updated Jul 21, 2026
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37Median run days
K18 Biomimetic Hairscience Mini Leave-In Molecular Repair Hair Mask 0.5 oz/ 15 mL
K18 Biomimetic Hairscience Mini Leave-In Molecular Repair Hair Mask 0.5 oz/ 15 mL
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subscribe + save 15%
subscribe + save 15%
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more bright, less brass
more bright, less brass
2 ads use this creativeView
Okay I’m back on the purple shampoo train and yes, there will be a quiz later 🧪 thanks to @k18hair and their new TripleBright purple shampoo!! 👏👏 

Consider this your at home experiment to prevent against future brass: p
Okay I’m back on the purple shampoo train and yes, there will be a quiz later 🧪 thanks to @k18hair and their new TripleBright purple shampoo!! 👏👏 Consider this your at home experiment to prevent against future brass: p
2 ads use this creativeView
record-breaking hair repair
record-breaking hair repair
2 ads use this creativeView
No more brass in 2026 with the new @k18hair TripleBright Purple shampoo @sephora #K18results #k18partner
No more brass in 2026 with the new @k18hair TripleBright Purple shampoo @sephora #K18results #k18partner
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2x the healthy hair days
2x the healthy hair days
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JUMBO detox = more clean hair
JUMBO detox = more clean hair
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Shop NEW K18 TripleBright at Sephora
Shop NEW K18 TripleBright at Sephora
2 ads use this creativeView
Brassy blonde gone after just one wash with @k18hair new TripleBright Purple Shampoo. It neutralizes sephorand helps defend against future brass so your blonde stays brighter, longer. Available at @sephora #k18partner #k
Brassy blonde gone after just one wash with @k18hair new TripleBright Purple Shampoo. It neutralizes sephorand helps defend against future brass so your blonde stays brighter, longer. Available at @sephora #k18partner #k
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AirWash™ dry shampoo
AirWash™ dry shampoo
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record-breaking hair repair
record-breaking hair repair
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soft, strong, bouncy hair
soft, strong, bouncy hair
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3 months of brassy blonde reversed in just one use with the new @K18hair TripleBright Oxidation Defense Purple Shampoo followed by the leave-in molecular repair mask for my brightest blonde @sephora #k18partner #k18resul
3 months of brassy blonde reversed in just one use with the new @K18hair TripleBright Oxidation Defense Purple Shampoo followed by the leave-in molecular repair mask for my brightest blonde @sephora #k18partner #k18resul
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instantly clean hair
instantly clean hair
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using @K18hair’s new TripleBright purple shampoo and the leave-in molecular repair mask to maintain my salon-fresh blonde at home! 💜 available at @sephora #k18partner #K18results #K18hair
using @K18hair’s new TripleBright purple shampoo and the leave-in molecular repair mask to maintain my salon-fresh blonde at home! 💜 available at @sephora #k18partner #K18results #K18hair
2 ads use this creativeView
blonde for the summer thanks to @k18hair @majormoonn and @hairlosangeles ✨💜
The K18 TripleBright purple shampoo removes 3 months of brass in just 1 wash and defends against future brassiness — paired with the K18Repair s
blonde for the summer thanks to @k18hair @majormoonn and @hairlosangeles ✨💜 The K18 TripleBright purple shampoo removes 3 months of brass in just 1 wash and defends against future brassiness — paired with the K18Repair s
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real, lasting hair repair
real, lasting hair repair
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Shop NEW K18 TripleBright at Sephora
Shop NEW K18 TripleBright at Sephora
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Shop K18 at Sephora
Shop K18 at Sephora
2 ads use this creativeView
Shop NEW K18 TripleBright at Sephora
Shop NEW K18 TripleBright at Sephora
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subscribe + save 15%
subscribe + save 15%
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Shop NEW K18 TripleBright at Sephora
Shop NEW K18 TripleBright at Sephora
2 ads use this creativeView
not just a purple shampoo
not just a purple shampoo
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real, lasting hair repair
real, lasting hair repair
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Shop NEW K18 set at Sephora
Shop NEW K18 set at Sephora
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#K18Partner Is your hair looking dull or brassy? @k18hair’s NEW TripleBright Oxidation Defense Purple Shampoo helps remove hard water buildup, neutralizes brassiness and helps prevent future buildup. I have been using th
#K18Partner Is your hair looking dull or brassy? @k18hair’s NEW TripleBright Oxidation Defense Purple Shampoo helps remove hard water buildup, neutralizes brassiness and helps prevent future buildup. I have been using th
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A salon-fresh blonde blowout at home removing 3 months of brass in just one wash, thanks to @k18hair new TripleBright purple shampoo. Grab yours today @sephora!!! #K18results #k18partner #nurse #hairtutorial #hair
A salon-fresh blonde blowout at home removing 3 months of brass in just one wash, thanks to @k18hair new TripleBright purple shampoo. Grab yours today @sephora!!! #K18results #k18partner #nurse #hairtutorial #hair
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@k18hair Hair is always a part of my routine, especially now when my hair starts to look brassy - i’m loving the new TripleBright purple shampoo for bright, healthy hair 💜 available @sephora #k18results #k18partner #k
@k18hair Hair is always a part of my routine, especially now when my hair starts to look brassy - i’m loving the new TripleBright purple shampoo for bright, healthy hair 💜 available @sephora #k18results #k18partner #k
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feel fresh with AirWash™
feel fresh with AirWash™
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Shop K18 at Sephora
Shop K18 at Sephora
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How I keep my curls bright and healthy using @k18hair new TripleBright purple shampoo! Fresh salon blonde with every use @sephora 
#k18partner #k18results #k18hair #curlyhair
How I keep my curls bright and healthy using @k18hair new TripleBright purple shampoo! Fresh salon blonde with every use @sephora #k18partner #k18results #k18hair #curlyhair
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AD | @k18hair always comes through with the innovation, and their new TripleBright oxidation defense purple shampoo is no exception…it contains violet to neutralize the brassy tones plus a proprietary chelating complex a
AD | @k18hair always comes through with the innovation, and their new TripleBright oxidation defense purple shampoo is no exception…it contains violet to neutralize the brassy tones plus a proprietary chelating complex a
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AD | I’m SO excited to be talking about @k18hair’s new TripleBright Oxidation Defense Purple Shampoo! 💜💜💜 

As someone who bleaches my hair, my hair gets brassy easily. This shampoo removes up to 3 months of brass from h
AD | I’m SO excited to be talking about @k18hair’s new TripleBright Oxidation Defense Purple Shampoo! 💜💜💜 As someone who bleaches my hair, my hair gets brassy easily. This shampoo removes up to 3 months of brass from h
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K18 Biomimetic Hairscience PEPTIDE PREP™ Clarifying Detox Shampoo 8.5 oz / 250 mL
K18 Biomimetic Hairscience PEPTIDE PREP™ Clarifying Detox Shampoo 8.5 oz / 250 mL
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subscribe + save 15%
subscribe + save 15%
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girl being blonde is a full time job! 😭 if your color has been looking a little tired, this is how I bring mine back. @k18hair TripleBright™ Purple Shampoo is staying in my rotation ✨ @k18hairpro #K18results #k18partner
girl being blonde is a full time job! 😭 if your color has been looking a little tired, this is how I bring mine back. @k18hair TripleBright™ Purple Shampoo is staying in my rotation ✨ @k18hairpro #K18results #k18partner
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record-breaking hair repair
record-breaking hair repair
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biotech-powered dry shampoo
biotech-powered dry shampoo
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Shop K18 at Sephora
Shop K18 at Sephora
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more shine, fewer refills
more shine, fewer refills
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record-breaking hair repair
record-breaking hair repair
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this new TripleBright purple shampoo from @k18hair has become my favvv💜can’t wait to keep using it on washdays for blonde like new🫶🏽 #k18results #k18partner #blondecurlyhair #curlyhairproducts #curls
this new TripleBright purple shampoo from @k18hair has become my favvv💜can’t wait to keep using it on washdays for blonde like new🫶🏽 #k18results #k18partner #blondecurlyhair #curlyhairproducts #curls
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