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™ Thermal Styling Spray
3.9 out of 5 stars, based on 2,211 Reviews 2,211 Reviews
3.9 out of 5 stars
5 Star
703
4 Star
839
3 Star
464
2 Star
146
1 Star
59
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Like it
Sampled

I received this sample from my Birchbox of the month and I like it . I love my Birchbox of the month

3
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Love this but hate the spray nozzle
SampledPurchased

The nozzle is important because I can't take a little out for carry on through the airport (I travel weekly and never check bags and this doesn't offer a smaller size), and because it when directing where the spray will go, it is difficult. It would be better if a little could be poured into your hand and moved through hair. Other than that I love how this sets my hair up for other products post dry. It gives volume without frizz.

4
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Love
Sampled

I really like this product! I use it all the time, and I highly recommend it to others!

5
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Helps hold curl
Sampled

I have super straight hair and this really helps hold any heat style I do. Smells good as well and doesn't leave the hair stiff

4
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Thermal Styling Spray
Sampled

This is a very good product. I style my hair all the time and I used this and it made my hair feel and look really good.

4
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Love
Sampled

I've tried this before and I really liked it I'm happy to have an additional one to travel with and you praline on purchasing full-size

5
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Hate the smell, and very sticky!
Purchased

Tried this after using the Number 4 Super Comb Prep & Protect (which I love!!). The smell is horrible, and very "old lady" like. The spray is also very hard to distribute evenly through my hair because it sprays in a stream. Last, it's a very heavy and sticky product. I have to clean my straightening iron every time I use it because it leaves behind a nasty gunk. I won't be purchasing this product again.

2
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Great for Frizzy Hair
Sampled

I rarely blow dry my hair, and the few times I have I've used this product. I avoid blow drying because it frizzes out so badly. This really worked well, though, at maintaining my course hair. Will be purchasing.

5
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Great Styling Product
SampledPurchased

This product is great for curly hair and to beat the humidity! I also love the way it smells. I would give it more stars but I feel like it could hold my hair a bit better. It makes my hair less frizzy but also I feel like it doesn't really hold the curl. Just leaves my hair wavy. The smell outbeats it all!

3
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Number 4
Purchased

Not what I expected. Very very heavy spray. Smells good enough, I was hoping for something a bit more like a dry oil. I'very used this several times trying to love it....hasn't happened yet

1
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