Chlorine, humidity, sweatsummer wreaks havoc on our hair.

Luckily, Olaplex No.

3 Hair Perfector is here to help.

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Our editors independently select these products.

What itsnotso great for?

In some regions of the U.S., heat brings humidity, which inevitably brings frizz.

An unrecognizable male hairdresser combs the dried hair of middle aged blond woman sitting sideways

licensed cosmetologist

3 Hair Perfector($28).

You might notice that shopping on this page is a little different than what youre used to.

Never fear; well talk you through it.

Various scattered hairdresser’s tool on blue, including user-friendly hair tools

Just punch a product below and more details will pop up in a new window.

Hit add to cart andvoila!Thats it!

Kazimir explains that Olaplexs formulation actually repairs and strengthens the hair follicles.

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The result is stronger, silkier hair.

If your hair is super damaged, youll actually see a difference, Kazimir says.

When I used it, I saw results within a week.

BEVERLY HILLS, CALIFORNIA - MARCH 02: Shay Mitchell attends the 2025 Vanity Fair Oscar Party Hosted By Radhika Jones at Wallis Annenberg Center for the Performing Arts on March 02, 2025 in Beverly Hills, California. (Photo by Daniele Venturelli/Getty Images)

Although its whole line of products is pretty incredible, its the Olaplex Hair Perfector that really stands out.

Its a pretty no-fuss product, too.

You just apply the leave-in treatment once a week (2-3 times if your hair really needs help).

Hailey Bieber attends 2023 Baby2Baby Gala Presented By Paul Mitchell

But if that summer heat has left its mark, expect some serious results.

[If you have] fragile, broken hair, youll see it.

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Young women wearing swimwear, showering together at outdoor shower while talking about how often should you wash your hair

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