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LONG WEEKEND SALE: 25% OFF SHAMPOOS

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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
Blue ShampooNeutralize orange tones
Sale price$32.00 USD
(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$88.40 USD Regular price$104.00 USD
(5.0)
Front of jar of Blacklight Blonde Science Repair Mask for Blondes 200ml
Repair MaskRepair damaged blonde hair
Sale price$40.00 USD
(4.9)
Front of bottle of Blacklight Blonde Science Blue Neutralizing Spray 225 ml
Blue Neutralizing SprayFor a blonde refresh
Sale price$34.00 USD
(4.8)
Best Sellers

Best Sellers

Discover the most-loved Blacklight Blonde Science essentials trusted by professionals and customers for brighter, healthier, more beautiful blonde hair.

9 products
neu[neutralize] Front of bottle of Blacklight Blonde Science Neutralizing Violet Shampoo 300 ml
Violet ShampooCorrect yellow tones
Sale price$32.00 USD
(4.9)
neu[neutralize] Front of bottle of Blacklight Blonde Science Blue Shampoo for Blonde Hair 300ml
Blue ShampooNeutralize orange tones
Sale price$32.00 USD
(4.8)
hyd[hydrate] Front of bottle of Blacklight Blonde Science Moisture 18-in-1 Beautifier 225ml
18-in-1 BeautifierFor hydration and protection
Sale price$34.00 USD
(4.8)
Promotional graphic with the text 'Great Hair Starts Here' and 'Brass-free, vibrant blonde for every hair type.' above three women showing different blonde and brown hair women who use Blacklight Blonde Science products
hyd[hydrate] Front of jar of the Blacklight Blonde Science Hydrating Mask 200g
Hydrating MaskRestore hydration and shine
Sale price$40.00 USD
(4.9)
neu[neutralize] Front of bottle of Blacklight Blonde Science Neutralizing Blue Conditioner 200ml
Blue ConditionerFor brassiness correction
Sale price$32.00 USD
(4.8)
rep[repair] Front of jar of Blacklight Blonde Science Repair Mask for Blondes 200ml
Repair MaskRepair damaged blonde hair
Sale price$40.00 USD
(4.9)
rep[repair] Front of bottle of Blacklight Blonde Science Repair Shampoo for Blonde Hair 300ml
Repair ShampooStrengthen and restore blonde hair
Sale price$32.00 USD
(4.8)
neu[neutralize] Front of bottle of Blacklight Blonde Science Blue Neutralizing Spray 225 ml
Blue Neutralizing SprayFor a blonde refresh
Sale price$34.00 USD
(4.8)
hyd[hydrate] Sold outFront of bottle of the Blacklight Blonde Science Lightweight Hydrating Shine Oil 100ml
Hydrating Shine OilEnhance shine for dry hair
Sale price$42.00 USD
(4.9)

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

Dominique D. - Orlando, FL

“The Hydrating Shampoo leaves my blonde hair incredibly soft, shiny, and easy to manage. It cleanses gently while giving my dry hair the moisture it really needs, without weighing it down.”

hyd[hydrate] Front of bottle of Blacklight Blonde Science Moisture Hydrating Shampoo 300ml
Hydrating ShampooFor lasting hydration and shine
Sale price$32.00 USD
(4.9)
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Blonde Hair Questions, Answered

Everything you need to know about the Best Sellers collection before you shop.

Which Blacklight Blonde Science products are best sellers?

Our best sellers cover the three things blonde hair needs most: toning (Blue Shampoo, Blue Conditioner, Blue Neutralizing Spray), repair (Repair Shampoo, Repair Mask) and hydration (Hydrating Mask, Hydrating Shine Oil, 18-in-1 Beautifier). Every one is rated 4.8/5 or higher by customers.

How do I choose the right best seller for my hair?

Start with your main concern. Orange, brassy tones on dark blonde or light brown hair call for Blue products. Dry, dull hair calls for Hydrating. Breakage or damage from bleaching calls for Repair. Not sure? Take our hair quiz for a personalized routine.

Can I mix products from different collections?

Yes. All our formulas are designed to work together. For example, pair Blue Shampoo for toning with the Repair Mask for strength.

Are these products safe for colour-treated or bleached hair?

Yes. They’re formulated specifically for blonde, highlighted and lightened hair, and they’re sulfate-free and paraben-free to help protect your colour.

What makes Blacklight Blonde Science different?

Our formulas come from Oligo Professionnel, a Montreal lab that has developed salon hair care for professional stylists since 1986. Blacklight brings that same professional science home, made specifically for blonde hair.

Discover our Best-Selling Products - Loved by our Customers

Our best sellers are the products customers come back to most: the formulas that consistently solve the three biggest challenges of lightened hair, which are brassiness, dryness, and breakage. Every one is rated 4.8 out of 5 or higher, and each was developed in our Montreal lab around a specific concern rather than a one-size-fits-all promise.

For warm, orange tones on dark blonde or light brown hair, the Blue Shampoo, Blue Conditioner, and Blue Neutralizing Spray work together to keep your colour cool between salon visits. If bleaching has left your hair weak or brittle, the Repair Shampoo and Repair Mask help rebuild strength from within. For dry, dull lengths, the Hydrating Mask, Hydrating Shine Oil, and 18-in-1 Beautifier restore softness and shine without weighing hair down.

Not sure which concern is yours? Take our hair quiz for a personalized routine, or explore Bundles & Hair Sets to get a complete routine for less.