Front of jar of the Blacklight Blonde Science Deep Hydrating Mask 225ml #size_48 ml / 1.62 fl. oz

Back of jar of the Blacklight Blonde Science Deep Hydrating Mask 225ml #size_48 ml / 1.62 fl. oz

Blacklight Blonde Science Hydrating Collection Explained

Product line chart with four sections labeled HYD, REP, VIO, and BLU, each with a set of bottles and corresponding benefits.

Two bottles of Blacklight Deep Hydrating Mask on a light purple background with product details.

Close-up of smooth, white cream of the Blacklight Blonde Science Deep Hydrating Mask with text listing benefits on a light gray background

Side by side image of a girl posing showing her look before and after using the Blacklight Blonde Science Hydrating products.

Marilou Belanger model posing in front of white background showing her blonde hair after using Blacklight Blonde Science Blue Products

hyd [hydrate]

Deep Hydrating Mask

$18.00 CAD

Best For:

Suitable for all hair colors
Dry or coarse
Medium to thick textures
In need of deep hydration, softness, and resilience

Size: 48 ml / 1.62 fl. oz

Front of jar of the Blacklight Blonde Science Deep Hydrating Mask 200ml #size_200 ml / 6.8 fl. oz

Front of bottle of Blacklight Blonde Science Deep Hydrating Mask 500ml #size_500 ml / 16.9 fl. oz

FREE GIFT On all orders $75+

FREE SHIPPING ON ALL ORDERS $49+

Easy returns 30 days, no questions asked

A rich, intensive mask that deeply hydrates, nourishes, and restores softness and shine to medium-to-thick blonde hair while improving manageability and elasticity.

About Deep Hydrating Mask

Blacklight Deep Hydrating Mask delivers intense, long-lasting moisture for medium-to-thick blonde hair. This rich treatment deeply nourishes, restores softness, and improves elasticity while enhancing natural shine.

Powered by hyaluronic acid and nourishing oils like avocado, rice bran, and hemp seed, it helps hydrate, smooth, and detangle hair while strengthening dry or coarse strands. The result? Softer, smoother, healthier-looking blonde hair that feels deeply revived and beautifully manageable.

How To Use

• Apply a generous amount to clean, damp hair from mid-lengths to ends
• Leave on for 5–10 minutes
• Rinse thoroughly
• Use once every two weeks or as needed

Ingredients

WATER (EAU), CETEARYL ALCOHOL, CAPRYLIC/CAPRIC TRIGLYCERIDE, COCONUT ALKANES, AMODIMETHICONE, GLYCERIN, CETYL MYRISTATE, CETYL STEARATE, BEHENTRIMONIUM CHLORIDE, DIMETHICONE, CETYL PALMITATE, CETRIMONIUM CHLORIDE, POLYSORBATE 80, PHENOXYETHANOL, FRAGRANCE (PARFUM), DICETYLDIMONIUM CHLORIDE, HYDROXYETHYLCELLULOSE, TOCOPHERYL ACETATE, PERSEA GRATISSIMA (AVOCADO) SEED OIL, ORYZA SATIVA (RICE) BRAN OIL, CANNABIS SATIVA SEED OIL, COCO-CAPRYLATE/CAPRATE, ISOPROPYL ALCOHOL, PROPYLENE GLYCOL, CITRIC ACID, LINALOOL, POLYSORBATE 20, LIMONENE, TETRASODIUM EDTA, SODIUM HYALURONATE, SODIUM HYDROXIDE

FAQs

Deep Hydrating Mask

What makes the Deep Hydrating Mask different from a regular conditioner?
This mask provides intensive moisture and repair that goes deeper than a conditioner, helping restore softness, elasticity, and shine to very dry or thick blonde hair.

What type of hair benefits most from the Deep Hydrating Mask?
It’s best suited for medium-to-thick, coarse, or very dry blonde hair that needs stronger hydration and nourishment.

Can this mask help with hair that feels rough or brittle after lightening?
Yes. The rich formula helps replenish moisture and smooth the hair fiber, improving softness and flexibility after chemical treatments.

How long should I leave the Deep Hydrating Mask on for best results?
Apply after shampooing and leave it on for 5–10 minutes to allow the nourishing ingredients to deeply hydrate and soften the hair.

How often should I use the Deep Hydrating Mask?
Use it once every one to two weeks, or whenever your hair feels particularly dry and needs a boost of intense hydration.

Still looking for help? View all our FAQs Here

Shipping & Returns

We offer free shipping on orders over $50 across Canada and the Continental United States. Orders below $50 are shipped at a flat rate of $10.

Our team will typically ship your order within 2 business days. When your package leaves our warehouse, you’ll receive an email with your tracking information.

Most customers receive their order within 3–7 business days from the date of purchase, depending on the destination.

Deep Hydrating Mask48 ml / 1.62 fl. oz

$18.00 CAD

Sulfate-Free

Paraben-Free

Gluten-Free

Deep Hydrating Mask

Intense hydration for thicker, thirstier blonde hair.

This rich treatment deeply nourishes and replenishes moisture, helping restore softness, elasticity, and shine while leaving blonde hair smooth, strong, and beautifully manageable.

Formulated with hydrating hyaluronic acids and a nourishing blend of avocado, rice bran, and hemp seed oils to rehydrate and rebalance the hair and scalp

Read The Report

My blonde was feeling dry and dull, but this Deep Hydrating Mask brought it back to life. My hair feels incredibly soft, silky, and deeply nourished.

— Alli L.

The Science

A synergistic blend of skincare actives and superfoods

Hyaluronic Acid

The gold standard in skincare, hyaluronic acids act synergistically on the hair: Water-soluble hyaluronic acid hydrates the surface, while oil-soluble hyaluronic acid hydrates from within.

Avocado Oil

Rich in oleic acid—one of the only fatty acids small enough to permeate the hair shaft—avocado oil conditions from within, minimizing water loss and frizz and maximizing hydration and shine.

Hemp Seed Oil

Rich in fatty acids and proteins, hemp seed oil seals the cuticle and strengthens its structural integrity, restoring hydration and elasticity. Because your blonde should bend, not break.

Rice Bran Oil

Vitamin-rich and lightweight, rice bran oil coats the hair and seals the cuticle. Less frizz and static, no greasy residue—just silkier, shinier hair. It’s hydration without the heaviness.

The Science

Trusted by salons, stylists & blondes

Front of bottle of Blacklight Blonde Science Moisture 18-in-1 Beautifier 225ml #size_225 ml / 7.6 fl. oz

18-in-1 Beautifier $14.00

Front of bottle of Blacklight Blonde Science Neutralizing Violet Shampoo 300 ml #size_300 ml / 10.1 fl. oz

Violet Shampoo $16.00

Front of jar of the Blacklight Blonde Science Hydrating Mask 225ml #size_200 g / 7.05 fl. oz

Hydrating Mask $18.00

Front of bottle of Blacklight Blonde Science Moisture Hydrating Shampoo 60ml #size_300 ml / 10.1 fl. oz

Hydrating Shampoo $16.00

Front of bottle of Blacklight Blonde Science Hair and Scalp Oil 45ml

Hair and Scalp Oil $48.00

Jessica M., Los Angeles, CA

Blacklight Blonde Science products feel salon-quality. My hair has never looked healthier or brighter.

Emily R., Chicago, IL

The quality of Blacklight Blonde Science products is incredible. You can tell real science went into creating them.

Sarah K., Austin, TX

I’ve tried many brands, but Blacklight Blonde Science stands out for quality, performance, and beautiful results.

Sophie L., Montreal, QC

Premium formulas, amazing results, and gorgeous packaging. Blacklight Blonde Science truly feels like professional hair care.

Megan T., Vancouver, BC

Finally a brand dedicated to blondes that actually delivers high-quality products that work.

Olivia B., Toronto, ON

Blacklight Blonde Science quickly became my go-to brand. The quality and results are simply outstanding.

The hyd [hydrate] Collection

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Purple tube of Blacklight conditioner on a white background to hydrate blonde hair #size_200 ml / 6.8 fl. oz

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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

$100.00 CAD

$118.00 CAD

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Front of bottle of Blacklight Blonder Science Dry Shampoo for Blonde Hair 198g #size_198 g / 6.98 oz

Dry ShampooAbsorb excess oil and add volume

From $16.00 CAD

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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

Frequently asked questions

Questions about your formula, your order, or your hair? Find our most frequently asked questions below. Still need help? Contact us.

Vist FAQs

Are your products cruelty-free?

We’re committed to creating professional-quality haircare that delivers real results—without the premium price tag. And of course, our products are cruelty-free. No animal testing here… we prefer to test on happy humans instead!

Where is your company located?

Our office, warehouse, and production facility are all based in Montreal, Quebec, Canada. We proudly formulate and manufacture our products in-house, all under one roof—powered by one passionate team.

Can I return a product?

Your satisfaction is important to us. If your purchase isn’t quite right, simply contact our customer service team to request a return authorization and instructions.
Most products can be returned within 30 days, provided they are unused, unopened, and in their original packaging.

What makes your products unique?

Every Blacklight Blonde Science formula is made with a synergistic blend of skincare actives and nutrient-dense superfoods, proving that better hair begins with better ingredients.

How can I contact your customer service team?

Have a question? Our customer service team is here to help, Monday to Friday, 8am to 4pm ET by email at info@blacklightblondescience.com Whether you’d like to learn more about the Blacklight Blonde Science brand, need help choosing the right products for your hair, or have questions about your order or shipment, we’re happy to assist. Reach out anytime and we’ll make sure you get the answers you need.

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Deep Hydrating Mask

Best For:

Deep Hydrating Mask