All products featured on Allure are independently selected by our editors.

However, we may receive compensation from retailers and/or from purchases of products through links in this article.

However, they’re not created equaland some work better for certain hair types or situations than other.

3 cosmetic items overlapping on a red background. From top to bottom silver squeezable tube white bottle and white…

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

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Best Overall:Olaplex No.

3 Hair Perfector

Olaplex

Hair Perfector No.

Olaplex No. 3 Hair Repair Perfector white bottle on light gray background

This maleic acid-based formula was the first of its kind when it launched back in 2014.

3 is a “must-have” for all of her clients.

It’s that easy.

conditioner in branded white tube and gold cap on light gray background with red and white 2024 allure best of beauty seal

It’s also spiked with moisturizing black spruce extract that enhances the look of your hair’s color.

(How’s that for convenience?)

This formula’s acidic pH level defends against damage induced by hair coloring and heat styling tools.

Pro-V Miracles Miracle Bond Repair Conditioner teal squeeze bottle on light gray background

It’s also spiked with citric acid to tame frizz, enhance shine, and reduce hair breakage.

Both items featured in this in-shower pair reinforce damaged bonds with the help of citric acid.

This system also provides moisturizing nourishment from a trifecta of sunflower seed oil,rosemary leaf extract, andaloe.

Curlsmith Bond Curl Rehab Salve brown bottle with beige cap on light gray background

This leave-in treatment has earned praise from some of the industry’s biggest names, including Hershberger and Bodt.

The latter shouts out its “game-changing” formula that prevents breakage and strengthens hair.

The superfood extract is rich in sulfur, which helps repair the sulfur-based bonds in your hair.

Madison Reed Bonding Time Bond Building Treatment in soft purple bottle with pump

It also contains amino acids to fortify bonds, so this leave-in provides a double-dose of bond-strengthening ingredients.

As a delightful bonus, this heat-activated formula also acts as a heat protectant.

This five-minute shower treatment utilizes ahoney-basedbond-building complex that reduces frizz and moisturizes the hair cuticle for a silky-smooth feel.

The Inkey List PCA Bond Repair Hair Treatment black and white bottle on light gray background

Key ingredients:honey ferment, wildflower ferment

Can hair bonds really be repaired?

Reinforcing bonds along the hair shaft is important for maintaining strength, malleability, shine, and color vibrancy.

How do bond repair treatments work?

Kerazon Hair Botox in white jar with black lid

Missouri-based coloristColissa Nolepreviously toldAllurethat bond builders target three different types of chemical bonds that naturally exist in hair.

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.

IGK Antisocial Overnight Bond Building Dry Hair Mask in white bottle

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?

Redken Acidic Bonding Concentrate Leave-In Treatment silver tube on light  gray background

Living Proof Triple Bond Complex in dark navy bottle

L’Oréal Paris Bond Strengthening System in soft pink colored tubes

K18 Leave-In Molecular Repair Hair Mask squat white bottle on light gray background

Epres Bond Repair Treatment in white spray bottle with refills

Amika The Kure Multi-Task Repair Treatment in bright green bottle with applicator cap

Matrix Total Results Unbreak My Blonde Reviving Leave-In Treatment in purple bottle with black cap

Color Wow Dream Cocktail Leave In Treatment in white bottle with pump

Bumble and Bumble Bond-Building Repair Treatment in clear bottle with black cap