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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
(4.9)
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 jar of Blacklight Blonde Science Repair Mask for Blondes 200ml #size_200 ml / 6.8 fl. oz
Repair MaskRepair damaged blonde hair
Sale 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
(5.0)
hyd [hydrate]

Deep Hydrating Mask

Sale price$46.00 CAD

Best For:

  • Suitable for all hair colors
  • Dry or coarse
  • Medium to thick textures
  • In need of deep hydration, softness, and resilience
Size: 200 ml / 6.8 fl. oz
FREE GIFT On all orders $75+
FREE SHIPPING ON ALL ORDERS $49+
Easy returns 30 days, no questions asked
A rich, intense mask made for all hair types and colors that deeply hydrates and nourishes, bringing back softness and shine while making your hair easier to manage and more flexible.
Product details iconAbout Deep Hydrating Mask

Blacklight Deep Hydrating Mask is made for all hair types and colors, with extra care for medium-to-thick hair. It gives your hair strong, long-lasting moisture. This rich treatment deeply feeds your hair, brings back softness, and makes it more flexible while boosting its natural shine. Made with nourishing ingredients like avocado, rice bran, and hemp seed oils, it helps hydrate, smooth, and detangle your hair while making dry or rough strands stronger. The result? Softer, smoother, healthier-looking hair that feels deeply revived and easy to manage.

How to use iconHow 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

IngredientsIngredients

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 $49 across Canada and the Continental United States. Orders below $49 are shipped at a flat rate of $10.

Our team will typically ship your order within 24 hours. When your package leaves our warehouse, you’ll receive an email with your tracking information.

Most customers receive their order within 2–7 business days from the date of purchase, depending on the destination.

Front of jar of the Blacklight Blonde Science Deep Hydrating Mask 200ml #size_200 ml / 6.8 fl. oz
Deep Hydrating Mask200 ml / 6.8 fl. oz Sale price$46.00 CAD

Sulfate-Free

Paraben-Free

Gluten-Free

Blacklight Blonde Science Hydrating Collection Explained
Deep Hydrating Mask

Intense hydration for thicker, thirstier blonde hair — and just as nourishing for every other hair color too.

See the difference

Dry and parched to deeply nourished. Our hydrating products restore moisture, softness, and shine — so your hair feels healthy from root to tip.

Before

A woman with shoulder-length blonde-highlighted hair wearing a white ribbed tank top and a delicate gold necklace, photographed against a plain white background.

After

Use the left and right arrow keys to navigate between before and after photos.
We're here to help

Frequently asked questions

Questions about the Deep Hydrating Mask? Find our most frequently asked questions here. Still need help? Contact us.

Who is this product for?

It's made for anyone with dry, rough, or hard-to-manage hair, regardless of hair color or type, with extra care built in for medium-to-thick hair specifically. It's especially helpful if your hair feels dry, brittle, or lacking in flexibility and shine.

How often should I use the Deep Hydrating Mask?

Like most hair masks, it's meant to be used periodically rather than daily — typically once a week or once every couple of washes — in place of your regular conditioner, since it's a more intensive treatment.

Will this mask help with dry, rough, or hard-to-manage hair?

Yes — the mask is formulated to hydrate, smooth, and detangle hair, making dry or rough strands stronger and easier to manage, in addition to its deeper moisturizing and shine benefits.

Can I use this if my hair is color-treated or bleached?

Yes, the Deep Hydrating Mask is safe for color-treated, highlighted, and bleached hair, and is designed to add moisture and strength without stripping color.

How soon will I see results from using this mask?

Many people notice softer, shinier hair immediately after rinsing out the mask. With consistent use over time — such as weekly applications — you'll typically see more lasting improvements in hair softness, flexibility, and manageability.

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 icon describing Blacklight Blonde Science hair products

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 icon describing Blacklight Blonde Science hair products

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 icon describing Blacklight Blonde Science hair products

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 icon describing Blacklight Blonde Science hair products

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.

  • 5 stars: 23 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
J
Julia W.
Not heavy

A lot of intense masks leave my fine hair greasy, but this one doesn�t at all. It deeply hydrates while still leaving my hair light.

S
Sarah K.
Great for overprocessed hair

I use heat tools almost every day and this helped bring moisture back into my hair without weighing it down

A
Anna J.
Salon results at home

This honestly feels like a deep conditioning treatment I�d get at the salon. I leave it on for 10 minutes and my hair comes out perfect

E
Eva H.
Saved my hair

My hair was feeling extremely dry and brittle after bleaching, and this mask made such a difference after just a few uses.

S
Sara P.

Awesome product. Leaves your hair silky smooth and not heavy

C
Claudia L.

Leaves your hair looking shiny and healthy.

V
Vanessa B.

This is my favorite deep hydrating mask! This has done wonders for my hair!!!

N
Nathaly V.

The best! My hair was straw like after going very blonde and this saved me!

C
Claire M.

My hair now feels amazing

R
Rachel O.

I have been using this product once a week for almost a year now. It has literally saved my hair! My hair is fine and got damaged/broken from over processing it. I have had compliments from people who knew my hair problem and could also see the difference! My hair feels so soft after using and smooth and looks so healthy! Would definitely recommend to anyone who has damaged hair.

S
Sandra P.

My hairdresser gave me the travel size version of this after I cut 18” of hair to donate. It’s been a month and I have seen a significant amount of growth already. I don’t dye or highlight my hair at all and have been pleased with it.

C
Clara M.

I LOVE this hair mask!!! I have been using it for about a month now (once/twice a week), and even though I bleach my hair every two months, my hair has no damage. I use this product along with the Repair Shampoo and Conditioner, and they make my hair look so healthy, soft with no split ends. Also LOVE the scent of it.

V
Victoria P.

this product has improved my hair definitely. my girls are coming back to life healthier than ever and i bleach my hair frequently so it's hard to do

B
Bridgit M.

Keeps blonde hair from yellowing and conditions

V
Vanessa R.

I use this once a week and i really love it. It leaves my hair feeling really moisturized and manageable. I really trust this product.

A
Alexandra L.

It smells really good and make my hair really soft. Also there is SO MUCH product! I didn't expect that. Really worth it, it's gonna last me MONTHS! My hair goes past my shoulders and I don't have to use a lot of product. I don't use it every shampoo, every 2 or 3 shampoos. It works on dark hair too.

K
Kathy T.

J'adore trop ce produit! Mes cheveux sont tellement plus beaux apres usage. Rien a redire

R
Rachelle W.

My hair tends to go brassy but this mask has kept the brass away. Very happy! Texture is a little odd but you get used to i

C
Chloe L.

Loved the scent! It’s detangling and moisturizing. I noticed my highlights aren’t brassy anymore! It also preserves my hair volume. Super!

D
Darlene V.

Best blonde hair product ever! I've been blonde for many, many years and have tried so many products for my hair and I will not be switching again any time soon. I live in a very dry place with a lot of calcium in the water and it's really hard to maintain nice, soft blonde hair. I have paired this with the Oligo Repair shampoo and conditioner and the combination of all 3 products has changed my hair (for the better) drastically! 10/10 recommend!

L
Lucy F.

Jai toujours utilisé ce produit acheter en magasin. Jai adorée dès la première application

M
Michelle B.

Belle qualité pour cheuveux meché

F
Francesca S.

Résultat au-delà de mes attentes

N
NIcole

What are the fragrances in the product?
Any lavender? I am allergic to lavender

Blacklight Blonde Science

Great question! The fragrance for all our Blacklight Blonde Science products if called "Pink Berry Lily" (no lavender) and here is the breakdown of the fragrance.
Top notes: Mandarin, Apple, Berry Blend, Tropical Fruits
Middle notes: Jasmine, Lily of the Valley
Dry-down notes: Sandalwood, White Woods, Vanilla, Musk
Hope this helps! Feel free to contact us if you have other questions!

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