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Number 4™ Birchbox Exclusive Hair Revival Kit

Let’s face it: We subject our tresses to a lot of stress. From teasing to highlighting, it’s a wonder they haven’t broken up with us yet. To help repair our relationship (and our split ends), we swear by this kit from Number 4™ Hair Care. It’s got everything you need to get rid of product buildup and bring back smoothness and shine. A $76 value!

Number 4™ Birchbox Exclusive Hair Revival Kit
4.5 out of 5 stars, based on 69 Reviews 69 Reviews
4.5 out of 5 stars
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47
4 Star
12
3 Star
7
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1
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2
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One use, but very happy so far
Purchased

I have only used this product once so far, but it has had great results. My hair felt somewhat brittle when it was drying, but it didn't look greasy for 3 days of non wash. All of the products smell wonderful and I especially love the detangler. I plan on incorporating this in my weekly beauty routine.

4
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Great value!
Purchased

I received the shampoo in my first Birchbox and loved it so I knew I wanted that but after seeing all the positive reviews about this set I was curious. I love it! My favorite thing besides the shampoo is the detangling/protecting spray. I don't even have to use conditioner and I just spray it on after the shower and comb through my hair. The conditioner is also nice but for me I can't use that and the detangling spray (the box says you can but I don't think that's a good idea for thin/fine hair). I haven't tried the hair oil yet. These products give my hair great volume and I like the smell.

5
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Great Value
Purchased

I love the longevity of the product and most importantly, the results. I have very fine but dry hair so it has been difficult to find a happy medium. The shampoo and the spray are full size products and the oil is concentrated so the sample size will last you several weeks.

4
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My hair has never looked better!
Purchased

My hair is fine, and has always gotten matted and knotted and tangled after washing and conditioning, it is greasy if I don't wash it every day, and it holds water like you wouldn't believe. It is unbelievable how long it takes me to blow dry my hair, even my hair dresser is shocked every time, as it takes anywhere from 25-45 minutes.
I've been using these products for 2 months now. I was a bit skeptical, because the shampoo doesn't lather like traditional shampoos. I was afraid the spray was only going to make my hair greasy and I seriously doubted the mask was going to help...I thought it would weigh my hair down and make it greasy.
After using this shampoo for a few weeks my hair is unbelievable! I can get out of the shower, throw it in a towel for a few minutes, and then run my fingers through my WET hair without it being a tangled mess! My hair dries in under 20 minutes and it has tons of body! The best part is, I can go 2-3 days without washing my hair! I NEVER thought I could do that!
The mask is wonderful and doesn't weigh my hair down at all, and I only use the spray if I had teased my hair that day and it was particularly knotted, or if I plan on flat ironing my hair.
Everyone who knows me has commented on my hair lately, and several of them have started using the shampoo also!

5
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Great value
Purchased

I'm really happy with this. I have shoulder length hair that is fine in texture, but abundant. The entire line smells absolutely amazing, but light enough to not irritate. Initially, I was going to just buy the full size clarifying shampoo, but this wasn't a whole lot more with my points and includes a full sized leave in conditioner, so I figured why not try the other stuff! The clarifying shampoo is fantastic as it removes buildup and moisturizes (it has oils in it that somehow don't weigh hair down). When I first shampooed with this, I felt the oils in it and worried that my hair would be a greasy, gross mess, but it left me with soft, clean hair. I really can't see using it more than once a week, though- it's crazy that they suggest that you can use it daily! The mask leaves my hair feeling soft, smooth and not at all weighed down. Still, a mask from Earth Science that I use works a lot better, at a fraction of the cost, so I probably won't purchase a full size of this. Both the mask and the shampoo are super concentrated, so a little goes a very long way. The leave in conditioner is really nice and light, it detangles my hair and leaves it smelling heavenly! I don't know that it's worth the retail price of $32, though. I have not tried the repair oil. If you have the extra money, this kit is well worth trying out.

4
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LOVEE!!!
Purchased

I absolutely love this product. My hair has never felt better. I only wash my hair about every 3 days, so I like for it to feel really clean afterwards. This products keeps my hair feeling clean for days! Totally worth the cost!

5
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Great value!
Purchased

I wanted to buy the Prep and Protect, but opted for the kit due to the great value. All products smell heavenly and work super well.
I'm not a huge fan of daily use of the clarifying shampoo, but I think it works wonders when I use it once every two weeks.

4
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Best Shampoo EVER
Purchased

This shampoo cleans, softens, and repairs.

The shampoo doesn't foam like normal shampoo and it takes a bit to get used to that. BUT after using this just one time I noticed extremely softer cleaner hair.

5
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Great Products
Purchased

I purchased this kit about a month ago and am absolutely loving it. My hair looks and feels healthier. Its been growing faster then normal.

5
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Might be right for you, might not
Purchased

This is a fantastic value given that you get a full size shampoo and full size Prep & Protect spray in the kit. However, this product was just too much for me. The shampoo is great for once a week or so but for every day use it is just too rich. And the spray might be great for heat protection and conditioning but it didn't have any impact on styling. Big investment even with this being a value for it to not be a daily use item.

3
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