The Best Kérastase Dupe for Hair Thickening That Works Just as Well for $12.99: ‘This Is a Must Have’
You don't need to spend $62 a bottle to get shiny, healthy hair—these dupes prove it
Key Takeaways
- The best Kérastase dupes deliver the same shine and hydration results for half the price.
- Celebrity hairstylist Clariss Rubenstein recommends the Nexxus oil for frizz.
- A simple DIY upgrade—vitamin E and argan oil—can make a drugstore serum even more powerful.
Silky, glossy, healthier-looking hair without the luxury price tag? Yes, please! Kérastase’s cult-favorite Nutritive 8H Magic Night Hair Serum and Elixir Ultime Hydrating Hair Oil have built a serious following for a reason—they’re known for boosting shine, improving texture and even helping hair appear thicker and stronger over time. But at $62 a bottle, they’re definitely a splurge.
The good news: You don’t have to spend big to get that same salon-worthy glow. We’ve tracked down the best Kérastase dupes that beauty experts and real shoppers swear by. These budget-friendly finds come in at half the price (or less!) and still deliver smooth, hydrated, high-shine results. Keep reading to meet your new haircare heroes.
Best Kérastase Elixir Ultime Hydrating Hair Oil dupes
From oils to serums, here are the best Kérastase Hydrating Hair Oil dupes:
L’Oreal Paris EverPure Sulfate Free Bond Repair+ Oil-in-Serum
If you love a good drugstore option, pick up L’Oreal Paris EverPure Sulfate Free Bond Repair+ Oil-in-Serum. It costs $12.99 and one customer raves, “It’s the best thing I’ve used on my hair since I decided to switch from a very expensive brand to something more affordable.”
Another happy user shares, “This serum makes it feel noticeably softer and smoother without weighing it down. It adds a nice, healthy shine and helps tame frizz, which is a big plus on humid days. I also like that it doubles as a heat protectant, so it simplifies my routine.”
Nexxus Repair & Nourish Ultra Lightweight Hair Oil
At $17.99, the Nexxus Repair & Nourish Ultra Lightweight Hair Oil is a great dupe for the Kérastase Elixir Ultime Hydrating Hair Oil for Shine.
“What makes this formula especially effective is that you’re getting both nourishment and styling benefits in one product,” raves celebrity hairstylist Clariss Rubenstein, whose clients include Jennifer Garner, Sofia Vergara, Mindy Kaling, Kaley Cuoco and Dakota Fanning. “The dual rose complex helps revive dry hair, while the humidity resistance and heat protection make it especially great for anyone dealing with frizz or frequent hot tool use.”
Pantene Miracle Rescue Regenerative Hair Oil
Another great drugstore option is the Pantene Miracle Rescue Regenerative Hair Oil. It costs $17.05 and one happy customer says it “Works great and smells wonderful.”
Another reports that it “smells delightful. It makes my hair feel really silky. I am so glad that I took a chance and tried it.”
Best Kérastase Nutritive 8H Magic Night Hair Serum for Dry Hair dupes
From sprays to serums, here are the best Nutritive 8H Magic Night Hair Serum for Dry Hair dupes:
It’s a 10 Miracle Leave-In Spray
At just $31.99, the It’s a 10 Miracle Leave-In Spray is a perfect Kérastase Nutritive 8H Magic Night Hair Serum for Dry Hair dupe for those who want to splurge just a little bit.
“The It’s a 10 Leave-In is already a proven multi-tasker—it detangles, smooths frizz and strengthens hair, mirroring the base function of the Kérastase serum,” says hairstylist Kimberly Michelle.
For even more benefits, she recommends adding in a vitamin E capsule (pierced and squeezed out) and 2 drops of Argan Oil.
“Vitamin E seals in moisture and repairs the hair fiber overnight, much like niacinamide does in the luxury version,” Michelle explains. “Argan oil locks in hydration and delivers that soft, silky finish you wake up to.
Joico Defy Damage Sleepover Overnight Nourishing Treatment
Joico is one of the most respected haircare brands in the industry, and their Defy Damage Sleepover Overnight Nourishing Treatment is one of the reasons why. For $29, this product nourishes hair and makes it feel silky smooth all day long.
“I love Joico products. At 70 years young, my hair has been through so many trends from perms to braids. I didn’t have this product in my routine, so I trusted Joico. I love it because it does work,” raves one happy customer. “This product makes my hair soft and shiny and looks so healthy and has a great smell! This product doesn’t leave any residue. I suggest this product along with other Joico products. You really can tell the difference!”
Amika Dream Routine Overnight Hydrating Mask
Not only is this bottle beautiful, but the product inside actually works. The Amika Dream Routine Overnight Hydrating Mask costs $34 and, according to one customer, “This is a must have, I use this nightly and continue to order because it makes my hair easy to manage plus it smells and feels amazing.”
Another says “My hair is naturally dry so this is such a great help. The smell is phenomenal! My hair looks and feels more moisturized and shiny! It also helps reduce frizz! You want this one!”
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