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The 17 Best Hair Thickening Products For Making Thin Strands Appear Fuller

women with full thick hair

As someone with fine hair, I’ve googled “how to make my hair thicker” more times than I’d like to admit. While air-drying my mane takes under an hour and curling my hair is only a 10-minute process, I dream of being able to pull my strands into a ponytail without it looking stringy or flat.

The good news is that after much trial and error, I’ve found some of the best hair thickening products to help me fake the appearance of fuller, thicker-looking strands. If you’re trying to give fine, thin, or thinning hair a boost (sans clip-in extensions), you’ll want to give these 17 hair products a try. Keep scrolling for everything you need to know about these mane-densifying formulas.


Our Best Thickening Shampoos And Conditioners

Advanced Full Density Conditioner Advanced Full Density Conditioner
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Biolage

Advanced Full Density Conditioner

A hair thickening conditioner for fragile, thinning hair.

$23.00
13.5 fl oz
Advanced Full Density Shampoo Advanced Full Density Shampoo
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Biolage

Advanced Full Density Shampoo

A hair thickening shampoo for fragile, thinning hair.

$23.00
13.5 fl oz

Biolage Advanced Full Density Shampoo And Conditioner

Kick off your hair-thickening routine with a shampoo and conditioner like Biolage Advanced Full Density Shampoo And Conditioner. This system helps make thin hair look and feel thicker and healthier while removing impurities and preventing hair loss.


Densifique Bain Densité Shampoo Densifique Bain Densité Shampoo
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Best Seller

Kérastase

Densifique Bain Densité Shampoo

A hair thickening and densifying shampoo.

$35.00
8.5 fl oz
Densifique Fondant Densite Conditioner Densifique Fondant Densite Conditioner
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Best Seller

Kérastase

Densifique Fondant Densite Conditioner

A daily conditioner that helps restore hair’s substance, shine, and resilience.

$42.00
6.7 fl oz

Kérastase Densifique Bain Densite Shampoo And Densifique Fondant Conditioner

Don’t add those extensions to your shopping cart just yet:Kérastase Densifique Bain Densite Shampoo And Densifique Fondant Conditioner can help you create the illusion of thicker hair with just one wash. This hyaluronic acid-infused system eliminates product build-up while strengthening, moisturizing, and increasing hair density.


Serie Expert Pro Longer Shampoo
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new

L'Oréal Professionnel

Serie Expert Pro Longer Shampoo

A length renewing shampoo for longer, thicker hair

$35.00
16.9 fl oz
Serie Expert Pro Longer Conditioner
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new

L'Oréal Professionnel

Serie Expert Pro Longer Conditioner

A length renewing conditioner for longer, thicker hair

$35.00
16.9 fl oz

L'Oréal Professionnel Serie Expert Pro Longer Shampoo and Conditioner

Growing your hair out is a process. While thicker hair types typically have no problems maintaining density from root to tip, those with thin strands may notice their ends appear thinner than the rest of their mane.

If that’s the case, invest in a shampoo and conditioner system like L'Oréal Professionnel Serie Expert Pro Longer Shampoo and Conditioner. This thickening system, made with a combination of amino acid and filler-A100, brings strength to the hair fiber while thickening and renewing thinned ends.


Total Results High Amplify Volumizing Shampoo
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Matrix

Total Results High Amplify Volumizing Shampoo

A silicone-free volumizing shampoo for fine, limp hair.

$13.50
Total Results High Amplify Volumizing Conditioner
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Matrix

Total Results High Amplify Volumizing Conditioner

A silicone-free volumizing conditioner for fine hair and limp hair.

$13.50

Matrix Total Results High Amplify Shampoo And Conditioner

Adding volumizing hair products to your routine is one of the easiest ways to boost the look of fine or thin hair. Start in the shower with Matrix Total Results High Amplify Shampoo and Conditioner. This silicone-free system acts as a plumper for fine, limp hair, boosting the structure for long-lasting volume and fullness.


Our Best Thickening Hair Treatments And Masks

Advanced Full Density Densifying Treatment for Thin Hair Advanced Full Density Densifying Treatment for Thin Hair
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Biolage

Advanced Full Density Densifying Treatment for Thin Hair

A hair thickening treatment spray for fragile, thinning hair.

$23.00
4.2 fl oz

Biolage Advanced Full Density Densifying Treatment

Biolage Advanced Full Density Densifying Treatment helps thin hair look thicker and healthier. This hair treatment is made with biotin to increase the diameter of existing hair by 9 percent while smoothing, conditioning, and taming frizz.


Densifique Masque Densité Hair Mask Densifique Masque Densité Hair Mask
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Kérastase

Densifique Masque Densité Hair Mask

A replenishing gel masque to amp up hair density.

$62.00
6.7 fl oz

Kérastase Densifique Masque Densite Hair Mask

While heavier, thicker hair masks work wonders for coarse hair, a lightweight gel formula, like Kérastase Densifique Masque Densite Hair Mask, is ideal for fine tresses. This hair mask helps create the appearance of thicker hair while adding shine and providing easy detangling.


Initialiste Advanced Scalp & Hair Serum Initialiste Advanced Scalp & Hair Serum
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Stylist Pick

Kérastase

Initialiste Advanced Scalp & Hair Serum

A specialized scalp and hair treatment that will leave hair looking shinier and feeling thicker.

$53.00
2 fl oz

Kérastase Initialise Scalp & Hair Serum

Maintaining a dedicated scalp care routine is essential when it comes to thickening your hair. Use a hair serum like Kérastase Initialise Scalp & Hair Serum that strengthens hair from the root to the tip. This formula adds substance to thicken hair, reduces breakage, and softens strands for an all-around healthier, fuller-looking mane.


Serie Expert Pro Longer Ends Filler Concentrate
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new

L'Oréal Professionnel

Serie Expert Pro Longer Ends Filler Concentrate

An at home filler concentrate for thinning ends

$10.00
0.5 fl oz

L'Oréal Professionnel Serie Expert Pro Longer Ends Filler Concentrate

If thinning ends are your biggest struggle, this innovative, hair-thickening treatment is a must-have for your routine. L'Oréal Professionnel Serie Expert Pro Longer Ends Filler Concentrate is made with patented thickening technology. The formula penetrates the hair fiber, renewing and thickening thinning ends so your hair can grow longer and stronger.


Our Best Thickening Styling Products

Thickening Lotion 06 Thickening Lotion 06
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Redken

Thickening Lotion 06

A hair lotion that boosts body and texture.

$26.00
16.9 fl oz

Redken Thickening Lotion 06

This multi-tasking formula doubles as a thickening hair product and strengthening treatment. Apply a quarter-sized amount throughout towel-dried hair to give your mane body, texture, and shine while proteins work to reconstruct and fortify each strand.


Desifique Densimorphose® Hair Mousse Desifique Densimorphose® Hair Mousse
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Kérastase

Desifique Densimorphose® Hair Mousse

A strengthening mousse that improve's hair texture, shine and suppleness.

$39.00
5 fl oz

Kérastase Densifique Densimorphose Hair Mousse

This hair mousse is formulated with hyaluronic acid to strengthen each hair fiber and prevent future breakage. It also provides lightweight volume and touchable thickness throughout your mane for healthy-looking hair.


Total Results High Amplify Anti-Frizz Hairspray
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Matrix

Total Results High Amplify Anti-Frizz Hairspray

A flexible, strong-hold, anti-frizz hairspray.

$18.00
10.2 fl oz

Matrix Total Results High Amplify Anti-Frizz Hairspray

Amp up any hairstyle with a few spritzes of Matrix Total Results High Amplify Anti-Frizz Hairspray. This ultra-fine mist hairspray creates all-over volume and shine, giving your mane a fuller appearance that lasts from day to night.


Full Frame 07 All-Over Volumizing Mousse Full Frame 07 All-Over Volumizing Mousse
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Redken

Full Frame 07 All-Over Volumizing Mousse

A moisture-rich foam for adding body throughout the hair.

$20.00

Redken Full Frame 07 All-Over Volumizing Mousse

Fact: You don’t need thick, plentiful locks to embrace big hair energy. All you’ll need is a volumizing hair mousse like Redken Full Frame 07 All-Over Volumizing Mousse. This medium-control styling foam lifts and volumizes hair from root to tip while protecting your mane from heat and humidity.


Style + Protect Texture Finishing Spray Style + Protect Texture Finishing Spray
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Pureology

Style + Protect Texture Finishing Spray

A lightweight texturizing spray for color-treated hair that adds body and shine without crunch or buildup.

$28.00

Pureology Style + Protect Texture Finishing Spray

Texturizing spray is every fine-haired girl’s best-kept secret. A few spritzes can create touchable fullness, helping ponytails and top knots appear thicker with added grip so that they last throughout the day. We recommend a texturizing spray like Pureology Style + Protect Texture Finishing Spray. This lightweight formula gives hair body, shine, and effortless texture without any crunch or built-up left behind.


Searching for more products to add to your routine? Shop the best salon-quality products at Hair.com.


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