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Highlights
Summary
Matrix Mega Sleek Sulfate-Free Shampoo gently cleanses and controls frizz for up to 96 hours. This professional-grade formula with jojoba oil leaves every strand smooth, sleek, and shiny while being safe for color-treated hair.
Benefits
- Provides 96 hours of frizz control in up to 97% humidity
- Gently cleanses to remove impurities without stripping hair
- Lays the foundation for lasting hydration and smoothness
- Sulfate-free formula is safe for color-treated hair, protecting vibrancy
Key Ingredients
- Jojoba Oil & Oleic Acid: A professional-grade infusion that gently cleanses while taming frizz and sealing in moisture for a sleek finish.
Research Results
- 12x more smoothness*
- 12x more hydration*
- *Based on a consumer test when using the full Mega Sleek System of Shampoo, Conditioner/Mask, and 96H Topcoat.
Item 2654470
Apply to wet hair, lather, and rinse thoroughly. Follow with Mega Sleek Conditioner or, for a deeper treatment, the Mega Sleek Smoothie Supreme Mask.
Aqua/Water/Eau, Sodium C14-16 Olefin Sulfonate, Cocamide Mea, Glycerin, Cocamidopropyl Betaine, Glycol Distearate, Sodium Lauroyl Sarcosinate, Parfum / Fragrance, Hexylene Glycol, Peg-55 Propylene Glycol Oleate, Propylene Glycol, Citric Acid, Sodium Hydroxide, Sodium Chloride, Sodium Benzoate, Coco-Betaine, Hydroxypropyl Guar Hydroxypropyltrimonium Chloride, Carbomer, Salicylic Acid, Benzoic Acid, Tetramethyl Acetyloctahydronaphthalenes, Oleic Acid, Simmondsia Chinensis Seed Oil / Jojoba Seed Oil, Polyquaternium-7, Vanillin, Benzyl Alcohol, Coumarin, Citrus Limon Peel Oil, Carvone, Limonene, Ci 19140 / Yellow 5, Ci 17200 / Red 33
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Reviews
Review Snapshot
by PowerReviews
Ratings Distribution
Hair Type
Most Helpful Positive Review
Favorite
This shampoo is a lifesaver, especially for those of us battling hard water and harsh climates. Based on the power of jojoba oil and oleic acid, it cleanses well without stripping my hair, a major concern with our well water. It's a professional-grade anti-frizz shampoo that manages humidity inside ...
Most Helpful Critical Review
Not bad
[I received this product in exchange for my honest review] I received this shampoo for free exchange to my honest experience review. I would said this shampoo is good but not perfect, I don't have oily scalp, but usually i shampooing twice every time to feel my scalp is super clean and fresh and no...
862 results
BRING BACK OLD FORMULA!!
I have been using this product for over 8 years and loved it until I recently purchased it and realized the formula has changed. Previous formula left my hair soft and shiny and the new formula leaves my hair dry and stiff. I will be looking for a new shampoo/conditioner now.
Product changed
I have used Sleek shampoo and conditioner for YEARS! At my last purchase, it seems the shampoo formulation has changed. Maybe the conditioner too but I havent tried it yet. It leaves my hair heavy!! And I have to wash every day now. What happened??!
Love it
Hair Type Wavy Hair
[I received this product in exchange for my honest review] This is Matrix Mega Sleek Smoothing Shampoo. It's designed to reduce frizz, smooth unruly hair, and leave hair softer and shinier. The formula contains shea butter and is best suited for frizzy or hard-to-manage hair. It cleanses gently while helping keep hair smooth and more manageable.
Dime size restoration
Hair Type Wavy Hair
[I received this product in exchange for my honest review] Let's just say a little goes a long way! I use a dime size and it lathers and bubbles up so good. It's a golden lifesaver. The first step in my routine for frizz free hair. I've used all of this bottle! It has consistently kept my hair tangle and frizz free. My scalp feels clean and fresh. I highly recommend and I'll be purchasing more while I'm here leaving this review 🤌🏻
Great clean
Hair Type Wavy Hair
[I received this product in exchange for my honest review] After a few uses for this shampoo I like how my hair looks with a good volume and shine, the shampoo cleanses the scalp without making it feels over dry, it it works specifically for thick dry or wavy hair, it makes a really good job and it cost less than others salon brands also it smells great.
Questions
Q&A
Showing 4 out of 4 Questions
- Q
Does this contain actual nut ingredients now?
- Asked by Chrissy
- Official Answer By Matrix - Brand EngageHello! As a global leader, the L'Oréal group of companies, which includes Matrix, is dedicated to rigorous standards of manufacturing excellence that result in the highest product quality. The products we sell meet the most stringent standards for safety. Consumer safety is paramount and we allow no compromise on this issue. All the ingredients we use in a product are listed on the package or the label of the product itself. For products too small to accommodate the list, a separate ingredient list is available on the display unit in the store for your convenience. Since some ingredients are known by more than one name, we use the standard industry FDA-recognized names.Was this answer helpful to you
- Q
Why did this change? It was perfect before. I've been using this shampoo for years. Please change it back!!
- Asked by Kim
- Official Answer By Matrix - Brand EngageHi there! Thank you for reaching out about the Mega Sleek Shampoo. We appreciate you for sharing your feedback with us. We are so sorry to hear that the updated Mega Sleek formula didn't meet your expectations. We will be sure to share your feedback with our team.Was this answer helpful to you
- Q
How does this shampoo smell
- Asked by Dyork
- Official Answer By Matrix - Brand EngageHello there! Thank you for your interest in the Mega Sleek Anti-Frizz Smoothing Shampoo. This delightful fragrance opens with bright top notes of lemon, cherry, pistachio, freesia, green apple, and pineapple greens, melting into a heart of jasmine, sugared rose petals, roasted almond, apricot, and coconut milk. It finally settles into a warm, comforting base of cedarwood, vanilla, sandalwood, salted caramel, amber, tonka bean, and warm skin musk.Was this answer helpful to you
- Q
My hair is fine and tends to get fuzzy, especially on the ends when it's humid outside. Will this shampoo help my hair?
- Asked by Sandi
- Official Answer By Matrix - Brand EngageHi there! We appreciate your interest in Mega Sleek Anti-Frizz Smoothing Shampoo. This shampoo provides frizz control and humidity protection for all types of frizz-prone hair. We hope you find this information helpful!Was this answer helpful to you