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Save 20% Off All Hair Masks

The self-care your hair's been asking for.

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Receive a Free Travel Size (60 ml - 2 fl. oz) product on all orders over $75!

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Featured products

Front of bottle of Blacklight Blonde Science Blue Shampoo for Blonde Hair 300ml #size_300 ml / 10.1 fl. oz
Blue ShampooNeutralize orange tones
Sale price$36.00 CAD
(4.8)
3 bottles of Blacklight Blonde Science Hydrating Products for Blonde Hair including a shampoo, conditioner and mask that are included in a bundle
Hydrating BundleFor silky, healthy and luminous hair
Sale price$100.00 CAD Regular price$118.00 CAD
(5.0)
Front of jar of Blacklight Blonde Science Repair Mask for Blondes 200ml #size_200 ml / 6.8 fl. oz
Repair MaskRepair damaged blonde hair
Sale price$36.80 CAD Regular price$46.00 CAD
(5.0)
Front of bottle of Blacklight Blonde Science Blue Neutralizing Spray 225 ml
Blue Neutralizing SprayFor a blonde refresh
Sale price$38.00 CAD
(4.8)

Promotions & Special Offers

Shop the Blacklight Blonde Science promotion collection — discover our science-backed shampoos, conditioners, and hair masks for every blonde's needs at the lowest price. Get a free mini gift on all orders over $75.

21 products
hyd[hydrate] On saleFront of jar of the Blacklight Blonde Science Hydrating Mask 225ml #size_200 g / 7.05 fl. oz
Hydrating MaskRestore hydration and shine
Sale price$36.80 CAD Regular price$46.00 CAD
(4.9)
rep[repair] On saleFront of jar of Blacklight Blonde Science Repair Mask for Blondes 200ml #size_200 ml / 6.8 fl. oz
Repair MaskRepair damaged blonde hair
Sale price$36.80 CAD Regular price$46.00 CAD
(5.0)
hyd[hydrate] On saleFront of jar of the Blacklight Blonde Science Deep Hydrating Mask 200ml #size_200 ml / 6.8 fl. oz
Deep Hydrating MaskDeeply hydrate dry hair
Sale price$36.80 CAD Regular price$46.00 CAD
(4.9)
neu[neutralize] Save 20%Image showing the Blacklight Blonde Science Violet Hair Kit
Violet KitNeutralize yellow tones
Sale price$68.80 CAD Regular price$86.00 CAD
(4.8)
hyd[hydrate] Save 20%Image showing the Blacklight Blonde Science Hydrating Hair Kit
Hydrating KitEnhance shine and hydration
Sale price$68.80 CAD Regular price$86.00 CAD
(4.8)
hyd[hydrate] Save 20%Hydrating Duo Jumbo Size
Hydrating Duo Jumbo SizeHydrate & revive dry hair
Sale price$152.00 CAD Regular price$190.00 CAD
(4.8)
neu[neutralize] Save 20%Image showing the Blacklight Blonde Science Blue Hair Kit
Blue KitEnhance brightness and balance
Sale price$72.00 CAD Regular price$90.00 CAD
(4.7)
neu[neutralize] Save 20%Violet Duo Jumbo Size
Violet Duo Jumbo SizeMaintain blonde shades
Sale price$152.00 CAD Regular price$190.00 CAD
(5.0)
neu[neutralize] Save 20%Blue Duo Jumbo Size
Blue Duo Jumbo SizeNeutralize orange tones
Sale price$152.00 CAD Regular price$190.00 CAD
(5.0)
rep[repair] Save 20%Image showing the Blacklight Blonde Science Repair Hair Kit
Repair KitRebuild weakened strands
Sale price$74.00 CAD Regular price$92.00 CAD
(4.9)
rep[repair] Save 20%Repair Duo Jumbo Size
Repair Duo Jumbo SizeRepair damaged blonde hair
Sale price$152.00 CAD Regular price$190.00 CAD
hyd[hydrate] Save 34%Blacklight Blonde Science Lunch Bag Hair Kit
Lunch Bag Hair KitFor hydration and protection
Sale price$72.60 CAD Regular price$110.00 CAD
hyd[hydrate] Save 15%Image showing the Blacklight Mini Hydrating Duo
Mini Hydrating DuoFor lasting moisture
Sale price$27.20 CAD Regular price$32.00 CAD
(4.8)
neu[neutralize] Save 15%Image showing the products included in the Blacklight Blonde Science Mini Blue Bundle to Neutralize Hair
Mini Blue BundleNeutralize orange tones
Sale price$59.50 CAD Regular price$70.00 CAD
(4.8)
neu[neutralize] Save 15%3 Blacklight Blonde Science Violet Mini Haircare Products for Blonde Hair on a white background
Mini Violet BundleCorrect yellow tones
Sale price$59.50 CAD Regular price$70.00 CAD
(4.8)
rep[repair] Save 15%Blacklight Blonde Science Mini Repair Bundle including shampoo, conditioner and mask for dry hair
Mini Repair BundleRepair & restore blonde hair
Sale price$42.50 CAD Regular price$50.00 CAD
(5.0)
hyd[hydrate] Save 15%Blacklight Blonde Science Bundle showing 3 products: 60ml hydrating shampoo, 60ml conditioner and 60ml mask
Mini Hydrating BundleHydrate & revive dry hair
Sale price$42.50 CAD Regular price$50.00 CAD
(4.8)
rep[repair] Save 15%3 bottles of Blacklight Blonde Science Repair Products for Blonde Hair including a shampoo, conditioner and mask that are included in a bundle
Repair BundleFor softer, healthier hair
Sale price$100.00 CAD Regular price$118.00 CAD
(4.9)
hyd[hydrate] Save 15%3 bottles of Blacklight Blonde Science Hydrating Products for Blonde Hair including a shampoo, conditioner and mask that are included in a bundle
Hydrating BundleFor silky, healthy and luminous hair
Sale price$100.00 CAD Regular price$118.00 CAD
(5.0)
neu[neutralize] Save 15%Blacklight Blonde Science Violet Bundle including shampoo, conditioner and spray for blonde hair
Violet BundleMaintain blonde shades
Sale price$93.50 CAD Regular price$110.00 CAD
(4.8)
neu[neutralize] Save 15%3 bottles of Blacklight Blonde Science Blue Products for Blonde Hair including a shampoo, conditioner and spray that are included in a bundle
Blue BundleNeutralize orange tones
Sale price$93.50 CAD Regular price$110.00 CAD
(4.8)

Everything you need to keep blonde hair bright, healthy, and brass-free — all in one place.

Katie S. - Red Deer, AB

“The Hydrating Bundle completely transformed my dry blonde hair. The shampoo, conditioner, and mask work perfectly together to deeply hydrate, leaving my hair softer, smoother, and incredibly shiny.”

hyd[hydrate] Save 15%3 bottles of Blacklight Blonde Science Hydrating Products for Blonde Hair including a shampoo, conditioner and mask that are included in a bundle
Hydrating BundleFor silky, healthy and luminous hair
Sale price$100.00 CAD Regular price$118.00 CAD
(5.0)
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Discover Your Ideal Haircare Routine

Answer a few quick questions to get your personalized routine (and receive a gift!).

Take the hair quiz
We're here to help

Blonde Hair Questions, Answered

Everything you need to know about the Promotions & Special Offers collection before you shop.

How do I get my free mini gift?

Add $75 or more of Blacklight Blonde Science products to your basket, and a select your free gift in your cart.

Can I choose which free gift I get?

Yes — select your preferred mini from the options available in your cart once you've reached $75.

Do you offer free shipping?

Yes, free shipping will be automatically applied once your cart reaches $49 (after discounts and before taxes). If your order is below $49, a small $10 shipping fee will be added to your order at checkout.

Are bundles cheaper than buying products individually?

Yes — bundles are priced at a discount compared to purchasing each product separately, so you save while getting a complete routine.

How do I know which bundle is right for my hair?

Check each bundle's description for the hair concern it targets (brass control, hydration, or repair), or reach out to us for a personalized recommendation.

Deals Worth Glowing For: Shop Our Latest Promotions

Blacklight Blonde Science makes it easy to save on the science-backed formulas your hair actually needs — without compromising on results. Every promotion and bundle is built around the same targeted approach as our full routine: brassiness control, deep repair, and intensive hydration, now at better value.

Start with our purple toning shampoo and conditioner if brassiness is your main concern, or explore our Repair and Hydrating collections for damage and dryness. Pair your routine with a treatment or hair mask for a deeper weekly boost, or shop our bundles for a complete routine at a discounted price. Spend $75 or more and get a free mini gift added to your order automatically.

Not sure where to start? Take our hair quiz for a personalized routine, or explore The Blonde Journal for expert guidance on identifying exactly what your hair needs.