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Best of all, you don’t need a prescription to scoop any of these fortifying formulas up.

Best Shampoos for Thinning Hair Bottles of shampoos from Dove Andrew Fitzsimons and Paul Mitchell on a light peach…

Collage: Laneen Wells forAllure; Source images: Courtesy of brands

“The less hair breakage, the fuller and thicker your hair will be,” she says.

(We think it’s a perfect pick for youreverything showers.)

This shampoo combines ingredients that promote pigmentationandhair restoration.

Paul Mitchell Tea Tree Scalp Care Regeniplex Shampoo white bottle with white cap on light grey background

It’schef’s kissfor anyone dealing with aging hair.

Meet Destined For Density, which is chock-full of what the brand calls “Energy Complex,” a.k.a.

a mixture of caffeine, CoQ10, and green coffee oil to stimulate the scalp.

Dove Scalp + Hair Therapy Hydrating Shampoo white bottle with gold cap on light gray background with red Allure Best of Beauty seal in the top right corner

Biotin and copper peptides also join in on the fun to improve elasticity and support healthy hair function.

An enticing blend of fruity, gourmand, and clean notes?

Don’t mind if we do.

Prose Custom Shampoo brown pump bottle with orange label on light gray background

Lambdapils blend of conditioning agents and gentle cleansers is gentle enough to use daily.

If you live somewhere with lots of pollution (hi, city dwellers!

Connecticut-based board-certified dermatologistMona Gohara, MD, says that thinning hair can be linked to many things.

Mielle Organics Rosemary Mint Strengthening Shampoo black pump bottle with green label on light gray background

Stress is directly linked to hair thinning as well.

Over time, this signals them to stop growing and then, months later, fall out simultaneously.

Telogen effluvium is the name given to temporary hair loss sparked by a shock to the system.

Andrew Fitzsimons Body Volume Boosting Shampoo red bottle on light gray background

Do hair thinning shampoos really work?

Here you have it, folks.

Shampoos are just one part of the equation, so take note.

Olaplex No. 4 Bond Maintenance Shampoo in clear bottle

What ingredients should I look for?

These shampoos typically contain what King refers to as film formers, which are ingredients like acrylate copolymer.

Lastly, King cautions against products containing silicones if your main concern is thinning hair.

Ouai Fine Hair Shampoo bottle of pale yellow shampoo on light gray background

When should I see a doctor about thinning hair?

As soon as you notice something’s off.

“Much more than that becomes concerning, and that’s really important to let your dermatologist know.”

Arey Wash Shampoo beige bottle with black lid on light gray background

Testers considered performance across four primary categories: efficacy, texture and experience, fragrance, and packaging.

For more on what’s involved in our reporting, check out our completereviews process and methodology page.

Our staff and testers

A beauty product is a personal purchase.

Briogeo Destined For Density Caffeine + Biotin Peptide Density Shampoo white bottle of shampoo with a turquoise B on it on light gray background

Can we honestly deem a high-end diffuser worthy of your hard-earned cash if its never been tested on curls?

Isdin Lambdapil Hair Loss Shampoo white bottle and white box each with a red label on a light grey background

Nizoral Anti-Dandruff Shampoo in white and blue box

RevitaLash Thickening Shampoo white bottle with shiny black cap on light gray background

Alterna Caviar Clinical Densifying Shampoo purple bottle of shampoo with silver cap on light gray background