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Ever feel like your hair seemingly thinned overnight?

5 bottles of products for thinning hair overlapping on a light pink background

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

One day, its full and bouncy; the next, it looks a little sparse around yourhairline.

Chemical treatments, excessive heat, and even scalp conditions like contact dermatitis can also lead to hair loss.

A dermatologist will review everything and prescribe a customized topical solution of up to three active ingredients.

Curology Hair Formula Rx in branded component on a light gray background

Plus, it has the most beautiful citrusy scentthink Italian lemon, orange, and jasmine, says Cardenas.

This conditioner plumps each strand without leaving any residue, says Petrut.

This conditioners ingredients do precisely what it promises, coating each strand for a thicker, fuller look.

OUAI Fine Shampoo in branded component on a light gray background

I love that it enhances body while maintaining movement and softnessits about volume that looks real, not overdone.

If you’re after maximum volume and thickness, look no further than Oribe Maximista Thickening Spray.

Its all about temporary fullness rather than actually thickening the hair.

Bumble and Bumble Thickening Volume Conditioner in branded component on a light gray background

This styling foam delivers quick, non-sticky fullness with a soft, touchable feel, says Petrut.

If bold volume is what youre after, this is your go-to.

It activates the moment it hits your hair, delivering an all-over lift and serious root boost in seconds.

Davines Volu Hair Mist in branded component on a light gray background

(FYI: A little goes a long way.)

It also offers heat protection up to 410F, making it a great multitasker for styling.

If youre experiencing hair thinning, the right products can make a big difference.

Oribe Maximista Thickening Spray in branded component on a light gray background

The best approach focuses on hair growth, scalp health, and follicle strength.

Minoxidilis the most tried-and-true ingredient for hair loss and thinning, says Dr. Mislankar.

More helpful is to remember that scalp care is hair care.

RevitaLash Thickening Shampoo in branded component on a light gray background

If youre dealing with product buildup, an exfoliatingscalp serumor scrub can help you maintain a healthy scalp.

Can hair grow back after thinning?

Hair can grow back after thinning, but whether that happens depends on the cause of hair loss.

R+Co Rodeo Star Thickening Mousse in branded component on a light gray background

What are the best ingredients for thinning hair?

The three primary hair-loss treatments are minoxidil, finasteride, and ketoconazole.

Each plays a special part in encouraging hair growth.

RPZL Hair Volume Powder in branded component on a light gray background

Finasteride blocks an enzyme called 5-alpha reductase, which turns testosterone into DHT.

Researchsuggests it has mild anti-androgenic properties, meaning it may help minimize DHTs impact on hair follicles.

Togetherand if your doctor gives you the green lightthey can create the ideal foundation for new hair growth.

Living Proof Full Dry Volume & Texture Spray in branded component on a 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.

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