Hair is made up of protein. Every touch, every treatment, every style you love—it all rewrites your hair’s protein. When protein is damaged, hair’s look and feel is compromised. That’s why Nexxus uses protein science not just to repair hair but to restore its ability to perform. It isn’t about one perfect hair day. It’s about a lifetime of style, built strand by strand. That’s where STYLEPROTECT Technology comes in—locking in moisture while creating a flexible shield on each strand to protect against heat up to 450°F and environmental stressors. This advanced system adds softness, shine, and frizz control while helping prevent static and protecting from humidity, so your style stays smooth and protected. Our Prep & Protect Heat Defense Spray delivers a weightless conditioning mist that detangles, softens, and shields hair from blow dryers and irons. This heat protectant spray leaves hair smooth, polished, and frizz-free for sleek and controlled styles with no sticky buildup or flakes. This nourishing heat spray also makes hair easier to manage, as this heat protection spray with a color-safe formula detangles hair instantly—helping your style feel as smooth, polished, and healthy as it looks. Nexxus, the protein science behind powerful hair since 1979.
Product Dimensions : 6.75 x 1.85 x 1.85 inches; 7.04 ounces
Item model number : 323076
UPC : 605592008368
Manufacturer : Unilever
ASIN : B0CN9N41R2
Best Sellers Rank: #3,602 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care) #9 in Hair Thermal Protection Sprays
Customer Reviews: 4.5 4.5 out of 5 stars (2,395) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
450°F HEAT PROTECTION SPRAY: Nexxus heat protectant shields hair from blow dryers and styling irons, giving your hair protection from heat
POWERED BY STYLEPROTECT TECHNOLOGY: This heat protectant spray locks in moisture and defends against humidity
DETANGLES INSTANTLY: Heat protectant spray makes hair easier to manage for effortless styling
SOFTNESS + SHINE: Heat protectant leaves hair smooth, polished, and frizz-free
NO STIFFNESS, NO RESIDUE: Get a flexible finish with no sticky buildup or flakes using this heat protect spray
COLOR-SAFE FORMULA + CONSUMER-VALIDATED RESULTS: Nexxus heat protectant spray protects vibrancy after styling; 89% agree hair felt moisturized In a salon study with 45 consumers on 11.3.2021
Jared Smith –
Must-Have for Heat Styling!
The Nexxus Heat Defense Spray has quickly become a staple in my haircare routine. I use hot tools almost daily, and this spray gives me peace of mind knowing my hair is protected from damage. It creates a lightweight barrier that shields against heat without making my hair feel greasy or heavy.What I love most is how smooth and shiny my hair looks after using it. Whether I’m straightening, curling, or blow-drying, it helps reduce frizz and gives my hair a polished, healthy finish. The scent is light and pleasant—not overpowering like some other sprays I’ve tried.A little goes a long way, and the spray nozzle gives a nice, even mist that distributes perfectly. Since I started using it, I’ve noticed way less breakage and dryness, even with frequent styling.If you’re looking for a reliable, salon-quality heat protectant, Nexxus really nailed it with this one. I highly recommend it for anyone who wants to keep their hair strong, soft, and protected while still using heat tools.
Ashley –
Attention Extension Girlies!
If you’re looking for a lightweight, high-performance heat protectant, the Nexxus Heat Defense Spray Prep & Protect is an absolute game-changer. I use it every time I blow-dry and straighten my I-tip extensions, and the results have been flawless—no split ends, no dryness, just soft, healthy, and silky-smooth hair.This spray protects against heat up to 450°F (although I’ve only tested to 375°F), making it perfect for anyone who regularly styles their hair with high heat tools like flat irons, curling wands, and blow dryers. I’ve been using it in combination with Nexxus Hair Oil, and my extensions still look brand new—no signs of heat damage, breakage, or frizz.Unlike many heat protectants that weigh hair down or leave behind a sticky residue, this spray is feather-light and completely weightless. My 22-inch extensions still move naturally, with no buildup or greasiness. It gives my hair a soft, bouncy feel while keeping it protected from daily styling.If you love a good luxurious scent, you will adore this spray! It has a salon-quality fragrance that lingers lightly without being overpowering. Every time I use it, my hair smells fresh, clean, and elegant—like I just stepped out of a professional blowout.One of my favorite things about this product is how smooth and sleek my hair looks after styling. It boosts shine, tames flyaways, and gives my extensions a polished, healthy glow. Whether I use a round brush for a voluminous blowout or a flat iron for a sleek, straight finish, my hair looks silky and frizz-free every single time.Extensions require extra care to maintain their health and longevity, and this product delivers next-level protection. It helps prevent split ends, keeps hair from drying out, and maintains softness even with frequent styling. Whether you have extensions or natural hair, this is a must-have for anyone who heat styles regularly.The Nexxus Heat Defense Spray Prep & Protect is hands down the best heat protectant I’ve used for my extensions. It provides salon-level protection, enhances shine and softness, smells amazing, and leaves my hair feeling weightless and smooth. If you want to keep your extensions healthy and damage-free, this is the ultimate must-have!
Katrin B –
Great for hot tools
Been using this spray for a month now to flat iron my hair. Works really well. My hair is bleached and colored (black and blonde) and long and it’s done well! Smells good, too and it mists well on the hair instead of getting sticky or anything similar.
Samantha –
Does the job without weighing down hair
use this Nexxus heat defense spray before blow drying or using hot tools and it works well. It sprays evenly and doesn’t leave my hair feeling sticky or crunchy, which is always my biggest concern with heat protectants.What I like:• Lightweight and easy to spray• Doesn’t weigh hair down• Leaves hair feeling smooth, not greasy• Works well as a prep step before stylingWhat to know:• A little goes a long way. Too much can make hair feel coated• The scent is noticeable, though not unpleasantOverall, it’s a solid heat protectant that does what it’s supposed to do, and I’ll keep using it.
Lucero Salvatierra –
Excellent heat protector
I really liked this heat protection spray. I use it before drying or ironing my hair and it leaves it soft, manageable and with less frizz. I don’t feel heavy or greasy, and the smell is pleasant. I feel that it really helps protect my hair from heat damage. I would buy it again.
Vanessa –
Great heat protector
Works great. Really smoothes the hair when used with a blow dryer. Adds great shine. Doesn’t have a super strong smell and makes hair really soft.
vishnu –
Not worth
**Product Review: Hair Heat Defense Spray**Rating: ★★★☆☆ (3/5)I’ve been using this heat defense spray for a few weeks now, and while it does the job, it didn’t quite live up to my expectations. The spray itself has a pleasant scent and doesn’t leave my hair feeling heavy or greasy, which I appreciate. It also provides some protection against heat styling tools like flat irons and curling wands, but I didn’t notice a significant difference in how smooth or shiny my hair looks after using it.One of the issues I’ve had is that my hair still seems to get a little frizzy after styling, and it doesn’t feel as soft as it does with other heat protection products I’ve tried. I also wish it offered more lasting protection, as I’ve had to touch up my hair more often than I would like.Overall, it’s an okay product for the price, but it doesn’t stand out in terms of performance. I’ll finish the bottle, but I’ll likely be looking for something with better heat protection and smoother results next time.
flsmdmd –
Excellent leave in conditioner and heat protector
I rarely recommend a hair product ( everyone’s hair is a little different) I did some research tried it and it is the BEST product to protect from heat and leave in to condition. Weightless and left my hair shiny/healthy. Note- I have fine hair and do not use any bleach/color.
Lauren Silver –
Dont like – wouldnt re buy. Hair just feels dirty again after use
Lucy –
Light, not sticky and leaves hair soft and tangle free. Love this product
Angie –
Works great on my hair but I can’t get over the smell, it is like a horrible grandma perfume.
Vicky Roy –
Bon produits
Maria –
It’s stickyyyyyyy.For curls it’s not bad as the stickiness helps keep their shape. Not a fan of it for straightening