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Featured products

Front of bottle of Blacklight Blonde Science Blue Shampoo for Blonde Hair 946ml #size_946 ml / 32 fl. oz
Blue ShampooNeutralize orange tones
Sale priceFrom $16.00 CAD
(4.9)
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 bottle of Blacklight Blonde Science Repair Mask for Blondes 500ml #size_500 ml / 16.9 fl. oz
Repair MaskRepair damaged blonde hair
Sale priceFrom $18.00 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
(5.0)

Large Size

Blacklight Blonde Science large-size hair care for longer-lasting blonde maintenance — more of the professional formulas you love in convenient 946 ml (32 fl. oz.) formats. Perfect for all blondes, bleached, and colour-treated hair. Each formula is crafted with premium active ingredients and cutting-edge hair care technology for salon-quality results.

11 products
hyd[hydrate] Front of bottle of Blacklight Blonde Science Moisture Hydrating Shampoo 946ml #size_946 ml / 32 fl. oz
Hydrating ShampooFor lasting hydrating and shine
Sale priceFrom $16.00 CAD
(4.9)
neu[neutralize] Front of bottle of Blacklight Blonde Science Blue Shampoo for Blonde Hair 946ml #size_946 ml / 32 fl. oz
Blue ShampooNeutralize orange tones
Sale priceFrom $16.00 CAD
(4.9)
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neu[neutralize] Front of bottle of Blacklight Blonde Science Neutralizing Violet Shampoo 946 ml #size_946 ml / 32 fl. oz
Violet ShampooCorrect yellow tones
Sale priceFrom $16.00 CAD
(4.9)
hyd[hydrate] Front of bottle of Blacklight Blonde Science Moisture Hair Hydrating Conditioner 946ml #size_946 ml / 32 fl. oz
Hydrating ConditionerRestore softness & elasticity
Sale priceFrom $16.00 CAD
(4.9)
neu[neutralize] Front of bottle of the Blacklight Blonde Science Neutralizing Violet Conditioner 946 ml #size_946 ml / 32 fl. oz #format_946 ml / 32 fl. oz
Violet ConditionerEliminate yellow brassiness
Sale priceFrom $16.00 CAD
(4.9)
neu[neutralize] Front of bottle of Blacklight Blonde Science Neutralizing Blue Conditioner 946ml #size_946 ml / 32 fl. oz
Blue ConditionerFor brassiness correction
Sale priceFrom $16.00 CAD
(4.9)
hyd[hydrate] Front of jar of the Blacklight Blonde Science Hydrating Mask 500ml #size_500 ml / 16.9 fl. oz
Hydrating MaskRestore hydration and shine
Sale priceFrom $18.00 CAD
(5.0)
rep[repair] Front of bottle of Blacklight Blonde Science Repair Mask for Blondes 500ml #size_500 ml / 16.9 fl. oz
Repair MaskRepair damaged blonde hair
Sale priceFrom $18.00 CAD
(5.0)
rep[repair] Front of the Blacklight Blonde Science Repair Conditioner for Blonde Hair 946ml #size_946 ml / 32 fl. oz
Repair ConditionerRestore elasticity
Sale priceFrom $16.00 CAD
(5.0)
rep[repair] Front of bottle of Blacklight Blonde Science Repair Shampoo for Blonde Hair 946ml #size_946 ml / 32 fl. oz
Repair ShampooStrenghten and restore blonde hair
Sale priceFrom $16.00 CAD
(5.0)
hyd[hydrate] Front of bottle of Blacklight Blonde Science Deep Hydrating Mask 500ml #size_500 ml / 16.9 fl. oz
Deep Hydrating MaskDeeply hydrate dry hair
Sale priceFrom $18.00 CAD
(5.0)
About the Large Size Collection

Looking for professional blonde hair care in larger formats? Explore Blacklight Blonde Science 946 ml (32 fl. oz.) shampoos and conditioners, designed to help maintain healthy, vibrant blonde, bleached and colour-treated hair. From hydration and repair to violet and blue toning care, each formula combines advanced hair care technology with high-performance ingredients to deliver visible, salon-quality results.

Tara H. Syracuse, NY

“The Repair Mask made a huge difference for my damaged blonde hair. After just one use, my hair felt stronger, softer, and much smoother, with noticeably less dryness and breakage.”

rep[repair] Front of bottle of Blacklight Blonde Science Repair Mask for Blondes 500ml #size_500 ml / 16.9 fl. oz
Repair MaskRepair damaged blonde hair
Sale priceFrom $18.00 CAD
(5.0)
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