Number 4™ Fluoro5 Elixer Restore & Repair Oil

There was a time when we were a bit skeptical about hair oil—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
4.7 out of 5 stars, based on 20 Reviews 20 Reviews
4.7 out of 5 stars
5 Star
14
4 Star
5
3 Star
1
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Perfect for dry hair
Purchased

Purchased this for myself to use pre blow dry. My father was visiting and used it on his dry, curly hair and he fell in love with it. It gives his hair nice curl without looking greasy or wet. I like it for pre blow dry. keeps my hair shiny but not flat and greasy.

5
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soft, silky, weightless - smells amazing
Purchased

I've been using this religiously for two years now - and have only just finished my second bottle! I have long, fine, straight, color-treated hair and this is a godsend. I use two pumps after I towel dry, and it makes my hair so smooth and silky, protects, the ends, and fights static and frizz. Plus, it smells amazing. My only complaint is the pump. It leaks if you try and travel with it. My solution is to pour a bit in another Birchbox hair oil sample container I received - and good to go!

5
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Wow- my hair is so soft!

This masque provides weightless shine! My hair is very thick but can get dull and dry, so it's great to have a masque to use every once in a while to revamp my shine. Hair feels so soft and fresh after rinsing! Great product.

5
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Awesome product!!
Purchased

This stuff is amazing! I use two squirts after I towel dry my hair, then another 1-2 squirts after blow-drying. It's never heavy, doesn't leave my hair looking greasy and gives my long locks plenty of sheen, silkiness and smoothness. The smell is great too and since it doesn't require a lot to get the shine you want, the bottle will last me a long time. Highly recommended!

5
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Amazing Oil for Dry & Damaged Hair!
Purchased

This is a very light oil that doesn't weigh down the body in my hair but makes my hair feel so soft and look so healthy! It also doesn't make my hair look oily the next day. I'm sure this oil would be light enough for those with fine hair, as well! GIVE IT A TRY!

5
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Brilliant shine

This product is amazing. I love how it makes my hair shine without causing it to be oily. It protects and makes my hair look amazing

5
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sooooo good
Purchased

Love this! Smells amazing, tames frizz and it's super lightweight. Makes my hair crazy soft and shiny. I love Number 4 products and this is no exception. A tiny drop goes an long way and doesn't weigh down my super fine hair.

5
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LOVE IT

I love this oil... it came in my kit . It is wonderful for my dry flyaway ends. My hair doesn't look oily or greasy and is very shinny. Feels wonderful.

5
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Love it

A great product that I will be ordering more of. It was light on my hair, not greasy and protects from further heat damage.

5
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What a Masque!

With straightening my hair all the time I needed something to give back my shine & protiens. After doing this treatment my hair felt healthy and shiny. I loved this sample!

5
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