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Highlights
Summary
A multi-action shampoo for stronger, defined, and more hydrated coils, curls, and waves in one use.
Benefits
- Instantly Strong
- Infinitely Defined
- 7-Day Hydration
- Reduces breakage and protects length
- Cuts frizz in half, even in high humidity
- Instantly easier detangling and static control
- Stronger hair & less breakage
- *When N°.4CURL & * N°.5CURL are used as a system
Key Ingredients
- Patented 3D Bond Shaper™ Technology Builds disulfide bonds from 6 points in multiple directions to repair, strengthen, and define coils and curls.
- Hydra-Define Technology™ Positively charged hyaluronic acid complex neutralizes points of damage, sealing the cuticle to lock in smoothing hydration and block frizz-forming humidity.
- Natural Oil Blend Nourishing Avocado and Sunflower oils impart moisture, softness, and definition.
- No protein overload. No silicone buildup. Free of Protein, Silicones, Sulfates, SLS/SLES, Phthalates, Phosphates, MIC/MIT, and Parabens.
- Olaplex Signature Scent, Reimagined Revitalize your senses with elevated notes of crisp and invigorating Sugared Mint, complemented by a bright burst of Grapefruit Zest Ginger, and a sophisticated, grounding base of Crushed Sage.
Research Results
- 50% less frizz, even in high humidity*
- 96% agree hair was easier to detangle**
- *When N°.4CURL & * N°.5CURL are used as a system
- **Based on a 2-week 75-person consumer study.
Item 2655265
Apply to wet hair. Lather. Rinse. Follow with N°.5CURL BOND SHAPER™ CURL HYDRATING CONDITIONER or OLAPLEX mask of choice. Avoid contact with eyes.
Aqua (Water, Eau), Sodium Cocoyl Isethionate, Cocamidopropyl Betaine, Sodium C14-16 Olefin Sulfonate, Cocamidopropylamine Oxide, Decyl Glucoside, Acrylates Copolymer, sh-Oligopeptide-281 SP, Carthamus Tinctorius (Safflower) Oleosomes, Panthenol, Polyquaternium-11, Polyquaternium-7, Salvia Hispanica Seed Extract, Ilex Paraguariensis Leaf Extract, Crambe Abyssinica Seed Oil, Linum Usitatissimum (Linseed) Seed Extract, Hydroxypropyltrimonium Hyaluronate, Helianthus Annuus (Sunflower) Seed Oil, Persea Gratissima (Avocado) Oil, Helianthus Annuus (Sunflower) Seed Wax, Menthyl Lactate, Jojoba Esters, Tocopherol, Pentylene Glycol, Acacia Senegal Gum, Menthol, Glycerin, Glycol Distearate, Polyester-37, Propanediol, Caprylyl Glycol, Ethyl Linoleate, Ethyl Oleate, Caprylic Acid, Xylitol, Lactic Acid, Hydroxypropyl Bis-Hydroxyethyldimonium Chloride, Guar Hydroxypropyltrimonium Chloride, Acrylamidopropyltrimonium Chloride/Acrylamide Copolymer, Sorbitan Oleate Decylglucoside Crosspolymer, Hydroxypropylcellulose, Ethylhexylglycerin, Polyglycerin-3, Propylene Glycol, Phenethyl Alcohol, Pentaerythrityl Tetra-Di-t-Butyl Hydroxyhydrocinnamate, Gluconolactone, Sodium Metabisulfite, Trisodium Ethylenediamine Disuccinate, Parfum (Fragrance), Phenoxyethanol, Chlorphenesin, Sodium Chloride, Citric Acid, Sodium Benzoate, Benzyl Alcohol, Potassium Sorbate, Sodium Hydroxide, Citral, Citrus Aurantium Peel Oil, Hexyl Cinnamal, Limonene.
This brand is excluded from most Ulta Beauty coupons.
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Reviews
Review Snapshot
by PowerReviews
Ratings Distribution
Hair Type
Most Helpful Positive Review
Love it
honestly i was pretty skeptical about trying yet another high end curl shampoo because my hair usually just ends up feeling stripped or like a tangled mess but the olaplex n4 curl bond shaper is actually a game changer for real. i was lucky enough to have this gifted to me to try out and the first t...
Most Helpful Critical Review
Gentle cleansing but not hydrating for drier hair types
I have multi textured strands and multi curl patterned dry type 3 & 4 low porosity hair. True cleansing is imperative for any wash day to turn out good for me. Hydrating shampoos are my favorite to cycle through since clarifying all the time can mess up the moisture balance and ph of my hair at time...
304 results
My Curls Felt Clean, Soft, and Hydrated
Hair Type Very Curly Hair
I received this product as part of an educational promotion in exchange for my honest review. I have a combination of 4B and 4C hair, so I'm always looking for a shampoo that cleanses well without leaving my hair feeling dry. I was really happy with this one. It left my scalp feeling clean while keeping my curls soft and hydrated. I also noticed my hair was easier to detangle after washing, which made wash day a little easier. The lather was nice, and a little product went a long way. My curls looked more defined and felt moisturized without feeling weighed down. Overall, I really enjoyed using this shampoo and would definitely keep it in my wash day routine. I'd recommend it to anyone with curly or coily hair looking for a gentle, hydrating cleanser.
A bit pricey but good product
Hair Type Very Curly Hair
I have used this shampoo for my last 3 washes and I like it. I only wash my hair every few days but I do wet it down to restyle. Some shampoos leave my hair feeling dry, tangled, etc. I had less of those issues twice while using this shampoo. The second time I used it I wasn't sure I was going to like it because my hair felt dry and tangled but it wasn't that way the 1st time or today. I think it's a bit pricey but you don't have to use alot either so it will last longer than others I have tried. I would purchase again. For reference I have fine/medium hair that is highlighted/lowlighted every 8 weeks or so. It is a combination of wavy and curly that tends to be dry.
Love this!
Hair Type Very Curly Hair
My new favorite shampoo! I was nervous about using Olaplex previously, because of protein overload, but this has been in my weekly wash day rotation and has become my go to shampoo! It cleans my hair without stripping it and making it super dry, and honestly it has so much slip that I can detangle my hair with shampoo. that is absolutely unheard of for me, so safe to say i'm in love with this product!
Finally found my holy grail curl shampoo
Hair Type Wavy Hair
I have long, thick, wavy-to-curly hair and I've been on a never-ending quest for a shampoo that actually enhances my curl pattern without stripping it. This one delivers. My curls came out so much more defined and hydrated. They had actual bounce and shape instead of just falling flat or getting frizzy after washing. It lathers enough to feel clean but doesn't leave my hair feeling dry or stripped at all. My curl clumps were noticeably tighter and more uniform from root to tip. I'll definitely be repurchasing and this is staying in my routine!
Soft, Clean Curls Without Dryness
I've been using this shampoo for my curls for a few washes now and I honestly like how gentle it feels on my hair. A little product goes a long way and it cleans without making my curls feel stripped or dry afterward. My hair usually gets frizzy easily, but after using this my curls looked softer and more defined. I also noticed my scalp felt clean without that squeaky dry feeling some shampoos give. The texture is lightweight and it rinses out really well. I paired it with the matching conditioner and my hair felt smoother and easier to detangle. Definitely a good option for curly hair that needs hydration without feeling heavy.
