Editors, Hairstylists, and Celebs Agree on These Effective Hair Products, and They're on Sale for Prime Big Deal Days

If you thought Amazon's only sale of the year was Amazon Prime Day, think again, because Amazon's Big Deal Days is happening from October 8 to 9, and during it, you can snag any number of skincare, makeup, and haircare products. I, for one, will be focusing my sale-shopping efforts on the latter.
That's because this year's haircare offerings are exceptionally good. I'm talking about top brands that editors, hairstylists, and celebs can all agree on. These include the likes of Ouai, Virtue, Act+Acre, IGK, and more. Keep scrolling to see every tried-and-true Amazon hair product worth shopping while they're on sale.
Want effortless beach waves that are truly effortless? Put down the curling iron and reach for this hair waver instead. All you need to do is clamp it down on small sections of your hair to achieve the desired look without damage. It reaches up to 450°F with a digital dial and LCD display for precise temperature control.
Celeb fans of this multitasking hair product include Zoë Kravitz, Sofia Richie Grainge, and Jennifer Aniston. It moisturizes, detangles, strengthens, and protects. Enough said.
I love R+Co Bleu's luxe line of hair care products because they offer so many benefits at once. This deep conditioning serum is no different. But first, let's find out what the "F-Layer" actually is. According to the brand, it's the lipid layer between the hair cuticles. This serum replenishes those lipids to strengthen, moisturize, and enhance each hair strand. Plus, it smooths and boosts shine.

Kaitlyn McLintock is a Beauty Editor at Who What Wear. She has 10 years of experience in the editorial industry, having previously written for other industry-leading publications, like Byrdie, InStyle, The Zoe Report, Bustle, and others. She covers all things beauty and wellness-related, but she has a special passion for creating skincare content (whether that's writing about an innovative in-office treatment, researching the benefits of a certain ingredient, or testing the latest and greatest at-home skin device). Having lived in Los Angeles, California, and Austin, Texas, she has since relocated back to her home state, Michigan. When she's not writing, researching, or testing beauty products, she's working through an ever-growing book collection or swimming in the Great Lakes.
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