Front view of Garnier Fructis Sleek & Stay Heat-Activated Serum bottle.Front view of Garnier Fructis Sleek & Stay Heat-Activated Serum bottle.Front view of Garnier Fructis Sleek & Stay Heat-Activated Serum bottle. Before and after use of Sleek & Shine system.Before and after use of Sleek & Shine system.Before and after use of Sleek & Shine system. Garnier Fructis Sleek & Stay Heat-Activated Serum bottles highlighting benefits: water-resistant, heat protection up to 450°F, non-greasy.Garnier Fructis Sleek & Stay Heat-Activated Serum bottles highlighting benefits: water-resistant, heat protection up to 450°F, non-greasy.Garnier Fructis Sleek & Stay Heat-Activated Serum bottles highlighting benefits: water-resistant, heat protection up to 450°F, non-greasy. Step-by-step instructions for using Garnier Fructis Sleek & Stay Heat-Activated Serum.Step-by-step instructions for using Garnier Fructis Sleek & Stay Heat-Activated Serum.Step-by-step instructions for using Garnier Fructis Sleek & Stay Heat-Activated Serum. Garnier Fructis Sleek & Shine routine with shampoo, conditioner, and heat-activated serum.Garnier Fructis Sleek & Shine routine with shampoo, conditioner, and heat-activated serum.Garnier Fructis Sleek & Shine routine with shampoo, conditioner, and heat-activated serum. Two women with ultra glassy, sleek hair, showing results that last up to 5 washes.Two women with ultra glassy, sleek hair, showing results that last up to 5 washes.Two women with ultra glassy, sleek hair, showing results that last up to 5 washes. Full Garnier Fructis Sleek & Shine product line: shampoo, conditioner, anti-frizz serum, and heat-activated serum.Full Garnier Fructis Sleek & Shine product line: shampoo, conditioner, anti-frizz serum, and heat-activated serum.Full Garnier Fructis Sleek & Shine product line: shampoo, conditioner, anti-frizz serum, and heat-activated serum. Green capsule with Argan Oil and Vegan Keratin ingredients labeled.Green capsule with Argan Oil and Vegan Keratin ingredients labeled.Green capsule with Argan Oil and Vegan Keratin ingredients labeled. Garnier "Greener Beauty" commitments: Cruelty-Free, Vegan Formula, 100% Recycled Plastic bottle.Garnier "Greener Beauty" commitments: Cruelty-Free, Vegan Formula, 100% Recycled Plastic bottle.Garnier "Greener Beauty" commitments: Cruelty-Free, Vegan Formula, 100% Recycled Plastic bottle. Back of Garnier Fructis Sleek & Stay Heat-Activated Serum bottle with product details and ingredients.Back of Garnier Fructis Sleek & Stay Heat-Activated Serum bottle with product details and ingredients.Back of Garnier Fructis Sleek & Stay Heat-Activated Serum bottle with product details and ingredients. ;

Garnier Fructis Sleek & Stay Heat-Activated Serum

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This heat-activated serum delivers up to 5 washes of frizz control and high shine when used with Sleek & Shine Shampoo and Conditioner.
size

$9.99 MSRP

Product Information

Part of the Fructis Sleek & Shine system, the heat-activated Garnier Sleek & Stay serum delivers up to 5 washes of frizz control and high shine*! It provides heat protection up to 450°F and is infused with alpha-silanes for long-lasting smoothness.

This leave-in serum is a smoothing hair treatment formulated without parabens, phthalates, or DMDM Hydantoin. Like all Garnier products, it is approved by Cruelty Free International under the Leaping Bunny Program.

*when used in the shampoo, conditioner, and Sleek & Stay system

Instructions of Use

Before use, shake Garnier Sleek & Stay well. After washing with Sleek & Shine Shampoo and Conditioner, apply this hair smoothing serum to damp hair. Distribute evenly after each pump. Do not rinse. Blow-dry hair completely, then use a flat iron to seal in sleekness and lock in style.

Ingredients

DIMETHICONE, BIS-(MORPHOLINOMETHYL C1-4 DIALKOXYSILOXY) DIMETHICONE, BIS-CETEARYL AMODIMETHICONE, PARFUM / FRAGRANCE

Before and after of female model using Sleek & Shine Sleek & Stay leave-in serum

All Shine, No Frizz

  • Heat-activated protective serum.
  • Up to 5 washes of anti-frizz power.
  • Heat protection up to 450°F.
  • Long-lasting shine and sleekness.

Sleek & Stay Serum is infused with alpha-silane for long-lasting sleek and scientifically tested to control frizz with a patented water-resistant technology.

Argan Oil + Vegan Keratin
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Check out the rest of the Sleek & Shine hair care and styling collection to complete your regimen.

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Hair Care Routine Quiz

Hair Care Routine Quiz

Discover your personalized Garnier hair care regimen.

FREQUENTLY ASKED QUESTIONS

  • Garnier Sleek & Stay serum is formulated for use on damp hair as part of the Garnier Sleek & Shine system, along with Sleek & Shine shampoo and conditioner. Since it is heat-activated, you'll achieve best results using a blow dryer and a flat iron. However, it can be used on dry hair.
  • Sleek & Shine is recommended for hair that needs frizz control and shine. This is usually chronically dry hair or hair going through a dry spell due to environmental factors, age, or seasonal changes.
  • Yes! Garnier Sleek & Stay smoothing treatment provides heat protection up to 450°F. Plus, its activated by heat so you can use your hair dryer and hot tools without causing damage, and the results will be lasting shine and no frizz.
  • The amount of Sleek & Shine smoothing hair serum you use depends on how much hair you have. Apply one pump at a time and evenly distribute with a wide-toothed comb between each pump until your hair is well saturated.

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