Number 4 Number 4 Thermal Styling Spray

While the hair of our dreams is glossy and sleek, our real hair leaves a lot to be desired. Whether your hair is fried and dull from too much heat styling or naturally frizzy, protect it with this nourishing spray. It’s packed with proteins and conditioners that hydrate and heal damage. An added bonus? It’s 100 percent vegan and free of gluten, sulfates, and parabens.

Number 4 Number 4 Thermal Styling Spray
3.9 out of 5 stars, based on 2,072 Reviews 2,072 Reviews
3.9 out of 5 stars
5 Star
661
4 Star
795
3 Star
435
2 Star
135
1 Star
46
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Normal
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Age
17 & under
18-24
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What's up with that nozzle?
Purchased

Don't get me wrong, I LOVE this product. It provides great protection when curling/flat ironing my hair and it gives just the right amount of hold, but that spray nozzle! The other reviews are spot on when they say it comes out in a stream. I wish they would revamp this feature so that the spray was a mist, then this would definitely be a 5-star product!

4
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Jet stream spray
Purchased

This product works okay- I have used it on wet and dry hair with good results both ways. (Curling iron waves stay pretty well and I THINK it helps protect my hair when blow drying.) However, especially when I use it on dry hair, I have to spray it on my hands first to distribute it, because the spray shoots straight out, instead of a finer mist. It makes it really hard to evenly distribute and I have even accidentally gotten an earful because of it. Yuck!

3
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great product- poor packaging
Purchased

I love this product- the way it makes my curly hair sleek and silky after I use a flat iron and blowdryer on it.
However, I find the container to be difficult to spray with one hand and impossible if your hands are wet or slippery after a shower. I have to use both hands to grasp it and press down the nozzle! the design aesthetic is nice- sleek cylinder black and white- but not functional.

4
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Worth the price
Purchased

I have naturally wavy and frizzy hair that I straighten at least twice a week. The first time I used this product I learned that less is more. I couldn't run my fingers through my hair so the second time around I used it sparingly and the results were amazing. My hair was soft and even looked like I went to a salon.

4
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Great for dry hair
Sampled

Love the protection this provides while heat styling! Light finish yet strong protection. Great product and will definitely purchase again!

4
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Good hold
Sampled

This was a pretty good spray. I straighten my hair regularly and this spray kept my hair shiny. I also like that is free of sulfates and parabens!

4
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Smells like cologne
Sampled

Smells like men's cologne and cheap cologne at that. Also not a fan of the way it left my hair feeling. It stayed pretty stiff. Got it one time before in my box. Was not impressed then either.

2
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Didnt really notice a difference
Sampled

It smells great and i feel better about using because i do straighten my hair and blow dry it everyday! but.... i didnt really notice a difference in the feel of my hair.

3
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One of the best heat-styling products I've tried
Sampled

I use a hair dryer and/or flat iron everyday and this product kept my hair noticeably healthier. The scent is a little weird, but it's not off-putting enough to not use this.

5
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Didn't make a huge difference.
Sampled

I feel like this product didn't make a huge difference. I sometimes wonder if leave in conditioner will work just as well. I'm not a big-time heat user, though.

3
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