Number 4™ Fluoro5 Elixer Restore & Repair Oil

There was a time when we were a bit skeptical about hair oils—the last thing we wanted was a greasy, weighed down ’do. These days, however, we can't imagine a haircare routine without it. This strand-saving elixir gives drab, dull hair a coveted movie star shine (plus a whole host of reparative benefits). Our oil-free days are officially over.

Number 4™ Fluoro5 Elixer Restore & Repair Oil
4.2 out of 5 stars, based on 8,885 Reviews 8,885 Reviews
4.2 out of 5 stars
5 Star
4119
4 Star
3213
3 Star
1200
2 Star
253
1 Star
100
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Hair type
Thick
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Hair color
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Age
17 & under
18-24
25-34
35-44
45-54
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Apply
Be careful
Sampled

Use very sparingly and in small amounts or else your hair will look very greasy

4
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Weightless Shine

Love it! I have very very fine, long, color treated hair, so I need a little extra strength/moisture and shine without weighing down my hair any more than usual. I've tried all sorts of serums and glossing creams and stuff in the past with usually average results at best - either I'm not getting the shine results I want or I look like a wet dog, all weighed down with goop. Bought a bottle of this on a whim since I've been such a fan of the other Number 4 products I've sampled, and I'm SO glad I did. This is it.

After a couple of uses, hair is exceptionally shiny and looks healthier than usual. However, my hair is NOT weighed down at all. If anything, it's moving more than usual. And it feels super soft. I'm hoping continued use does improve the health of my hair, but even if not I'd keep using this stuff based on looks alone.

5
Was this review helpful to you? Yes | No 40 of 42 found this review helpful. Was this review helpful to you? Yes | No
Soft Hair!
Sampled

This elixir made my hair feel very soft. It tamed my fly away perfectly and didn't feel oily. Staying away from my scalp and working it from my ends up seemed to be the best way to evenly distribute it. Less breakage and smoother ends.

5
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Love, Love, Love it
SampledPurchased

Love the smell and they way it makes my hair behave. Not too oily and doesn't weigh my hair down they way some elixirs do. I have curly hair that I blow out straight. I apply this after drying but before styling. Really has made my morning routine much simpler.

5
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Interesting
Sampled

Does the typical work of a hair oil. Adds shine to any finished style. Scent was light, but nothing to fall in love with. Sample size good. I got 10 uses.

3
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Love!!
Sampled

This left my hair feeling so soft and and looking so healthy! Be careful though, use just a little bit or it will make your hair look super greasy

4
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average
Sampled

Works well, but a little heavy and oily for my hair. My hair is curly but fine, so seems to not do as well with leave in oils. Better than some other oils i've used, however.

3
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Nice hair oil
Sampled

This oil is great to add some shine to your hair. I use it as after styling. But a small amount is the key otherwise it can leave your hair greasy.

4
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Number 4
Sampled

I love this product! I use it on wet hair right out of the shower. Of course I use it sparingly. I blow dry and style my hair and it is beautifulGreat smell too!

5
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In love
Sampled

I am in love with this oil. I have very fine hair so I get split and dead ends very easily. I use this oil once a week and it has been very effective. My hair is healthier and I am very happy.

5
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