Keratin Sleek Diamond Sleek Smoothing Spray

4.8504
4.8504 out of 5 stars based on reviews
SEE ALL 361 REVIEWS
Dull-looking hair with frizz? No problem! Our Diamond Sleek Shine-Coat Smoothing Spray, with its 8% Keratin Smoothing Complex and Argan Oil, shields and smooths hair to reduce frizz even in high humidity. It works by coating the hair fibre to boost light reflection from all angles, delivering a stunning diamond-like shine that lasts for up to 100 hours*. The lightweight, non-greasy, and non-sticky texture ensures a natural feel without any weigh-down. This heat-activated formula also provides essential protection from heat styling tools, including from blow drying and straightening, up to 230°C*. For best results, use as a final step after the 3-step Keratin Sleek System. After the Shampoo, Conditioner, or Mask, apply Diamond Sleek Spray to achieve a long-lasting sleek look with incredible, polished shine. Vegan Formula**. Approved by Cruelty-Free International.

*Instrumental tests using standard shampoo + Diamond Sleek Spray
**No animal-derived ingredients or by-products

Dull-looking hair with frizz? No problem! Our Diamond Sleek Shine-Coat Smoothing Spray, with its 8% Keratin Smoothing Complex and Argan Oil, shields and smooths hair to reduce frizz even in high humidity. It works by coating the hair fibre to boost light reflection from all angles, delivering a stunning diamond-like shine that lasts for up to 100 hours*. The lightweight, non-greasy, and non-sticky texture ensures a natural feel without any weigh-down. This heat-activated formula also provides essential protection from heat styling tools, including from blow drying and straightening, up to 230°C*. For best results, use as the final step in the Garnier 3-Step Keratin Sleek System. After the Shampoo, Conditioner, or Mask, apply Diamond Sleek Spray to achieve a long-lasting sleek look with incredible, polished shine. Vegan Formula**. Approved by Cruelty-Free International.

*Instrumental tests using standard shampoo + Diamond Sleek Spray
**No animal-derived ingredients or by-products

Up to 100H Diamond-Like Shine: Coats the hair fibre to boost light reflection from all angles, providing your hair with a spectacular, polished shine that lasts for up to 100 hours*.

Up to 72H Frizz-Free Sleek: Our formula shields and smooths hair to reduce frizz even in high humidity, delivering a sleek, polished look that lasts for up to 72 hours*.

Heat Activated Formuila: This formula requires blow-dryer heat to activate its smoothing power and provides thermal protection from styling tools up to 230°C*, keeping your hair healthy.

Keratin & Argan Oil: Powered by an 8% Keratin Smoothing Complex and Argan Oil, this spray actively smooths the hair fibre for a sleek, and shiny result.

Lightweight & Non-Greasy: Enjoy a super sleek finish without the heavy feel. The texture is lightweight, non-greasy, and non-sticky, ensuring your hair has a natural, bouncy feel.

After using the Keratin Sleek routine, towel dry and spray the product liberally on damp hair. Blow-dry hair by sections with a brush, putting tension on the hair. Heat is required to activate the formula.

Key Ingredient

Garnier Color Match logo

Argan

Used for centuries in skincare and haircare, argan oil is an extremely rich golden liquid which is quickly absorbed. This transformative ingredient unleashes nourishment, fatty acids, and vitamin E, soothing and deeply hydrating the skin, and restoring shine to dull hair.

Know more

AQUA / WATER • GLYCERIN • DIPROPYLENE GLYCOL • PEG-60 HYDROGENATED CASTOR OIL • LAURETH-4 • ARGANIA SPINOSA KERNEL OIL • STEARAMIDOPROPYL DIMETHYLAMINE • SODIUM HYDROXIDE • ISONONYL ISONONANOATE • HYDROLYZED CORN PROTEIN • HYDROLYZED SOY PROTEIN • HYDROLYZED WHEAT PROTEIN • CAPRYLYL GLYCOL • LACTIC ACID • POLYSILICONE-29 • HEXYL LAURATE • PHENOXYETHANOL • PARFUM / FRAGRANCE

*Please be aware that ingredient lists for products in our brand are updated regularly. Please refer to the ingredient list on the product package for the most up-to-date list of ingredients to ensure it is suitable for your personal use.

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Reviews

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317 reviews with 5 stars.
36 reviews with 4 stars.
7 reviews with 3 stars.
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1 review with 1 star.

Overall Rating

4.9
338 out of 342 (99%) reviewers recommend this product

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    Filter Reviews

    1 to 8 of 361 Reviews
    1 – 8 of 361 Reviews
    Review1
    Votes0

    Love it

    4 days ago
    I was given the opportunity to try this product in exchange from my honest opinion I noticed it leaves my hair super shiny and smooth Super simple to use and you don’t have to use a lot My hair feels light and it doesn’t become oily

    Yes, I recommend this product.

    Originally posted on boots.com

    Review1
    Votes0

    Shine

    11 days ago
    ✨ Shine bright like a diamond with every strand. #DiamondSleek

    Yes, I recommend this product.

    Originally posted on boots.com

    Review1
    Votes0

    Great product

    11 days ago
    I have really enjoyed using this product! It leaves my hair shiny and smooth, with long lasting results.

    Yes, I recommend this product.

    Originally posted on boots.com

    Review1
    Votes0

    Affordable

    13 days ago
    Garnier Diamond Sleek Shine-Coat Smoothing Spray is great as budget friendly hair protection and frizz free spray! Not only it helps with Frizz control but also makes hair shinny!

    Yes, I recommend this product.

    Originally posted on boots.com

    Review1
    Votes0

    Fantastic product

    13 days ago
    This product is incredible, hair is so healthy and shiny

    Yes, I recommend this product.

    Originally posted on boots.com

    Review1
    Votes0

    Amazing

    17 days ago
    I’ve been using this since its release and I love it. My hair feels so soft. It looks super shiny and doesn’t leave a residue behind.

    Yes, I recommend this product.

    Originally posted on boots.com

    Review1
    Votes0

    Amazing finish

    18 days ago
    I recieved this and left my hair feeling so smooth and silky never had a product as good as this!

    Yes, I recommend this product.

    Originally posted on boots.com

    London
    Reviews2
    Votes0

    Shine + No Grease

    19 days ago
    I love a silk press and to maintain it this spray has kept my hair looking alive and shiny without looking greasy!

    Yes, I recommend this product.

    Helpful?
    1 – 8 of 361 Reviews
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