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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 16,939 Reviews 16,939 Reviews
4.2 out of 5 stars
5 Star
7743
4 Star
6026
3 Star
2409
2 Star
536
1 Star
225
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My favorite Birchbox product!!
Sampled

I was excited when this came in my Birchbox because I needed some kind of product to use before blowdrying. My hair is long, thick, dark, and easily weighed down by too much product. I've actually stopped using conditioner because this oil does a better job! As other reviewers state, a little goes a long way and I do NOT use this around my roots. I put a little in my palm and run it through my hair (mostly the ends) right before blowdrying and it makes my hair SO shiny and soft. It doesn't weigh down my hair at ALL! I haven't had a haircut in over a year, yet I am constantly getting compliments on how nice and healthy my hair looks. I'm positive it's because I use this oil. Personally, I like the smell, but it's hardly noticeable after my hair is dry. I can see how this may not benefit those with very fine hair, but everyone else should definitely give it a try!

5
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LOVE
Sampled

This oil was fantastic, I have fine/wavy hair and it never weighed my hair down even if it put a little too much on, and smells wonderful. I would use it right out of the shower when my hair was wet and after it dried, and my hair felt soooo soft. Great product!

5
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Love
Sampled

I love this product. I recommended this to my friends all the time

5
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My fine blonde hair loves it! ❤️

I have used many different oils in my hair for shine after styling. This is the only one that I feel has not made my hair look oily and is making an active difference in the healthiness of my hair, in general. You don’t need to use a lot of this. It smells nice too!

5
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Love love love!
Sampled

I have weird hair. It’s kinda greasy at times, falls out A LOT, and loses lots of volume if I condition normally. I often have to skip the conditioning step to allow my hair to be free and not weighed down. And, so I don’t look as if I hadn’t showered in a week and raccoons are building a nest on my head, so I now use this lovely smelling oil. This wonderful oil (the fragrance is just divine) which I press into my hair with my palms, gives me fullness, shine and control. And it smells fantastic. Seems to be good for the skin as it softens up my jewelers hands nicely.
Oh-and did I mention how great is smells?

5
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So good
Sampled

I love the texture of this product and I feel like it's a great product for any one who has a busy lifestyle

5
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smoothes the hair
Sampled

smooths my hair down, gave it softness & shine. no complaints. I have naturally coily hair.

5
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I loved it!
Sampled

It left my skin so supple,smooth, and shiny without looking greasy!

5
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Love!!

Love it!! Used it before blow drying my hair and seriously my hair has never felt so soft! Love love love!!!

5
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Sampled

I loved this stuff. It was amazing. My hair even felt and looked amazing

5
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