Did we mention you’ll get heat protection, too? It forms a shield around your hair shaft to protect against heat up to 450 degrees Fahrenheit. Two or three drops will do the trick, so no need to worry about plowing through this petite bottle.
“Olaplex No.7 Bonding Hair oil makes my hair feel soft and smooth, with a fresh, clean scent I love. I like using it on my ponytail when they’re feeling brittle or dry—it gives it the perfect dose of TLC. Just a few drops bring instant shine and smoothness.”
- Key ingredients: coconut emollient, vitamin E, sunflower seed oil
- Who it’s for: people looking for heat protection, smoothing, and shine
Lashing Out: Olaplex Lashbond
Why it’s worth it: Here’s the deal: If you wear eye makeup, you’ve likely felt the tiny heartbreak of seeing an eyelash (or two) gently float down onto your cheek during mascara removal. Shed a quick tear for each fallen soldier, then dry your eyes and reach for Olaplex’s Lashbond—a bond-building, growth-supporting lash treatment. Most lash-growth formulas rely on prostaglandin analogs (lipid derivatives naturally found in the body), but Lashbond works differently. “It strengthens lashes directly, minimizing breakage by improving bonds within each follicle,” explains Rachel Nazarian, MD, a board-certified dermatologist based in New York. “Since it doesn’t contain prostaglandin analogs, it’s ideal for those who want to avoid the potential side effects associated with other lash-growth treatments.”
Unlike many serums, Lashbond is also layerable, so incorporating it into your daily routine is a breeze (just allow it to dry for 90 seconds before going in with other products). You won’t get overnight results, but over time, you may notice fewer lashes falling out, thicker-looking strands, and a softer, hydrated flutter.
Tester feedback from contributing commerce writer Annie Blackman
“Using Lashbond every day has actually reduced the number of lashes I lose, which is huge. Even though that means fewer wishes per week, I am certainly not complaining. It’s lightweight and non-irritating, which I appreciate (my eyes and the surrounding skin are the most sensitive part of my face). If you don’t see results after one week, don’t quit. Good things take time.”
- Key ingredients: peptides, hyaluronic acid, red clover flower extract
- Who it’s for: people who regularly lose eyelashes
Second-Day Superstar: Olaplex No.4D Clean Volume Detox Dry Shampoo
Why it’s worth it: Olaplex’s No.4D Clean Volume Detox Dry Shampoo does more than just revamp greasy hair—it also packs the same bond-building magic you love from the rest of the Olaplex lineup, instantly elevating your second-day style. Aluminum starch octenylsuccinate and oryza sativa (extracted from brown rice) effortlessly absorb excess oils without any unsightly white residue, while rambutan seed extract soothes and hydrates your scalp. Bonus points: it neutralizes odors caused by airborne pollutants, leaving behind a fresh, semi-citrusy scent.
Tester feedback from Trakoshis
“This formula leaves zero white residues on my hair, feels extremely lightweight with no chalkiness, and, most importantly, allows me to mask my oily scalp and keep my hair looking refreshed until my next wash day. Unlike other dry shampoos on the market, this one has no grittiness, so it’s easy to run a brush through my hair and style it immediately after use. Did I mention how good it smells, too? Similar to the rest of the Olaplex line, this dry shampoo has a subtle, fresh scent reminiscent of a lemon tree.”
- Key ingredients: zeolite, bentonite, rice starch
- Who it’s for: people looking to refresh second-day hair
Picture Perfect(or): Olaplex No.3 Hair Perfector
Why it’s worth it: Okay, we’ll say it—Olaplex’s No. 3 Hair Repair Perfector is the crown jewel of the brand. And we’re not alone in thinking that (just ask TikTok and anyone who’s emerged from the salon in denial of a bad bleach job). The active ingredient in this impressive formula is bis-aminopropyl diglycol dimaleate, which repairs broken disulfide bonds to rejuvenate the look and feel of your hair. Even if your hair hasn’t been damaged, hairstylists and colorists like to use this formula preventatively “Olaplex [No.3] not only protects the hair from the process to get a desired color, but it also prevents further damage, makes the hair strong, healthier, shinier, and also helps mend some of the previous damage,” says Yoshico-Alexis Ogawa, colorist at Pierre Michel Salon in New York City. And cosmetic chemist Jim Hammer puts it simply: “This is your post-coloring conditioner treatment.”
- Key ingredients: patented Olaplex Bond Building Technology (bis-aminopropyl diglycol dimaleate)
- Who it’s for: people with damaged hair
Love It and Leave It: Olaplex No.5 Leave-In
Why it’s worth it: What’s a comprehensive hair-care routine with an honest-to-goodness, excellent leave-in conditioner? If you add the No.5 Leave-In to your regimen, you’ll never need to know (phew). Not only does this moisture-sealing formula promote healthier-looking and feeling hair after a single use, no matter your hair type or texture— it also works to repair split ends, all without silicones. (Instead, the formula pairs the brand’s bond technology with squalane, amino acids, and panthenol.) You can expect all the softening, detangling, and protection from heat styling. Wins all around.
- Key ingredients: amino acid blend, sealing complex, patented Olaplex Bond Building Technology
- Who it’s for: people who want a leave-in option
Head First: Olaplex No.5 Scalp Longevity Treatment
Why it’s worth it: Healthy hair starts with a healthy scalp, which Olaplex knows very well. Proof? The No.5 Scalp Longevity Treatment. One of the newer additions to the lineup, this lightweight serum strengthens the scalp barrier to grow softer, stronger, healthier-looking hair from the top down. Of course, you’ll get a dose of Olaplex’s Bond Building Technology, plus a much-appreciated, antioxidant-rich blend that curbs the damage that contributes to premature scalp-aging. Apply the serum to the part of three to four sections, starting from the crown and working to the back of the head.
- Key ingredients: antioxidant blend, patented Olaplex Bond Technology
- Who it’s for: people who want a scalp treatment
Blonde Time Coming: Olaplex Blonde Enhancer Set
Why it’s worth it: Listen up, blondes. Olaplex makes a fabulous brassiness-busting, damage-repairing, strand-softening Blonde Enhancer Set, braced with all the products you need to extend the time in between salon visits. Here, you’ll get a full-sized purple shampoo and a conditioner (No.4P and No.5P to be exact), plus a mini No.7 Bonding Oil and a mesh bag to house it all. The shampoo and conditioner are stuffed with violet toning agents, shea butter, coconut oil-derived surfactants, and a blend of vitamin E and sunflower seed oil. The whole kit also works beautifully on gray or silver hair. And besides, who doesn’t love a bundle?
- Key ingredients: violet toning agents, shea butter, coconut oil-derived surfactants, vitamin E, sunflower seed oil
- Who it’s for: people with blonde and gray hair
Mask Me Anything: Olaplex No.8 Moisture Mask
Why it’s worth it: Nothing cuts to the hydration-chase like a good mask, which is why we’re such big fans of Olaplex No.8’s Moisture Mask. Use it weekly, either in addition to or instead of your regular conditioner, and you can expect smoother, softer hair and reduced breakage over time. In addition to the tried and true Bond Building Technology, this mask is formulated with goodies like avocado oil, rice bran oil, hyaluronic acid, squalane, and rose hip oil.
- Key ingredients: Olaplex Bond Building Technology, avocado oil, rice bran oil, hyaluronic acid, squalane, rose hip oil
- Who it’s for: people with dry hair
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