When your hair is as famous as Jennifer Aniston's, people pay attention to and (attempt to) emulate it at every turn. I mean, could anyone else convince an entire generation to get "The Rachel" haircut?

Thankfully, we have moved past that era (save for some misguided youth on TikTok) — and occasionally, through Aniston's Instagram or insight from her stylist, we get glimpses into the products that make her hair so iconic. Said products include a couple of specific hair brushes and Kérastase's Oléo-Relax Advanced Hair Oil, which is currently up to 20 percent off now until September 5 when you use the code LDW23 on Kérastase's site.

In an interview with Vogue earlier this year, Aniston's hairstylist Chris McMillan shared a very long list of products he relies on to maintain her style. Among the 17 products was Kérastase Oléo-Relax Advanced Hair Oil, which McMillan said he applies to add texture and grit to her locks.

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Kérastase's Labor Day Weekend sale is tiered. You'll receive 10 percent off if you check out with one full-sized product, 15 percent for two, and 20 percent for three or more. The highlight of the sale, in my opinion, is the Oléo-Relax Advanced Hair Oil, which is formulated with shorea (a rainforest plant) butter, coconut oil, and vitamin C-rich canina. All that's needed is a couple pumps of the oil — worked through mid-strands to ends — to reduce frizz, protect from heat damage, and add volume in the targeted areas.

Aside from being a part of Aniston's famed hair care routine, the oil is also popular among shoppers, many of whom say it's worth the price. One five-star reviewer on the site shared that the oil is "one of three Kerastase products" they "can't live without," and continued: "My hair is fine, curly, frizzy, and terrible in humid weather until I began using Oléo Relax… Now I can smooth my hair and spend a humid day outside and still look great."

Others have called it a "magic potion," with one fan explaining that "no matter what shampoo" they use, "nothing [else] makes it as smooth and manageable," adding that it gives "smoothness and shininess without a greasy feeling or look."

The Labor Day Weekend sale is rare for the brand, so I don't recommend hesitating. Along with the Aniston-approved oil, now's a great time to utilize the sitewide discounts to save on other customer favorites, too, like the Masque Intense Régénérant Hair Mask and the Initialiste Scalp & Hair Serum.

Masque Intense Régénérant Hair Mask

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While you can, save on the hyaluronic acid- and vitamin E-rich Masque Intense Régénérant Hair Mask that nourishes, softens, and adds shine to dry, damaged strands. Shoppers say they "immediately noticed how amazing" their hair looked and felt after use — one person described the results as. "soft, gorgeous, and full, and my highlights look brighter, too."

Initialiste Scalp & Hair Serum

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Healthy, strong strands begin at the scalp, and that's why so many haircare brands have finally started paying attention to it. But Kérastase has been prioritizing scalp care in its products — like the Initialiste Scalp & Hair Serum — for at least a few years now. Several reviewers wrote that the peptide- and protein-packed formula helps strengthen and grow hair. One such fan said it "really does make my hair look fuller without weighing it down or making it feel sticky. I am on at least my fourth bottle of it, and it's the one hair product I wouldn't want to do without."

A second shopper said the thickening, strengthening, softening formula works so well, they "received more compliments in just one day" than they had "in several months" after first use.

If you'd like to stock up on the Jennifer Aniston-approved oil and other shopper favorites for less, now's the time to act — there are just a couple more days to save up to 20 percent in Kérastase's sitewide sale. (Just remember to use the code LDW23.)

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