84%
would repurchase
3.7/5
package quality

price range

Reviews

Reviews


5.0
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17 years ago

Im currently training to be a hairdresser and i've worked with Redken for 2 years, i've been reading the reviews and i'd just like to share a few tips with you guys. *When using Extreme Deep...

About reviewer (123 reviews)

Age19-24

SkinDry, Fair, Cool

HairBlond, Wavy, Medium

EyesBlue



5.0
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17 years ago

Can I give a product more than 5 lippies??? This would be it!! Absolutely the best product I have ever used for strengthening, conditioning, smoothing, adding shine...you name it. I use any old...

About reviewer (238 reviews)

Age30-35

SkinNormal, Fair-Medium, Neutral

HairBlond, Straight, Fine

EyesBlue


4.0
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17 years ago

Great for adding strength, but you will need an additional product for conditioning and softness.

About reviewer (24 reviews)

Age25-29

SkinOily, Medium

HairOther

EyesBrown


5.0
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17 years ago

This is the best deep conditioner I have ever used! I have very dry frizzy hair and my ends tend to split very easily. I've been using this product on my hair twice a week for the past 2 months...

About reviewer (12 reviews)

Age19-24

SkinCombination, Fair

HairBrunette

EyesBrown


5.0
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17 years ago

After i use this product ones a week for 5 weeks by now.My hair look much much better.My hair is damage ,thin and was extremely burn and dry.I can definitely say that i see big change to it. What...

About reviewer (334 reviews)

Age30-35

SkinDry, Fair-Medium, Neutral

HairBlond, Wavy, Fine

EyesBrown


4.0
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17 years ago

Last night I applied this product on shampooed hair (Phytocytros shampoo) and slept with it overnight, wearing a conditioning cap. Then this morning I rinsed my hair. I have long hair but due to...

About reviewer (81 reviews)

Age25-29

SkinCombination, Olive

HairBlack

EyesBlack


3.0
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17 years ago

Its not bad, Funny smell but the normal conditoner woeks alot better.

About reviewer (34 reviews)

Age19-24

SkinCombination

HairBrown

EyesGreen


5.0
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17 years ago

I love this stuff, it brought my fried hair back to life after extensive bleaching and dyeing. It smells good, works amazingly well and a little goes a long way. My only beef is that I don't like...

About reviewer (486 reviews)

Age30-35

SkinCombination, Fair-Medium, Warm

HairRed, Wavy, Fine

EyesBrown


5.0
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17 years ago

I highly recommend this product! My hair was very badly damaged from bleaching and over-styling, and this was the only deep conditioning treatment that left my hair looking and feeling silky and...

About reviewer (39 reviews)

Age19-24

SkinSensitive, Fair, Cool

HairBrown, Wavy, Fine

EyesHazel


5.0
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18 years ago

I really loved this deep conditioner! It does exactly what it says. It left my hair moisturized and manageable. I fine textured hair that tends to lay flat, but this deep conditioner did it all...

About reviewer (45 reviews)

Age36-43

SkinOther

HairOther

EyesOther


3.0
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18 years ago

this was ok, but didnt treat my hair as good as other products have. left my hair as soft and managable as normal conditioners, so wasnt really worth the extra money.

About reviewer (38 reviews)

Age19-24

SkinCombination, Fair-Medium, Not Sure

HairBlond, Wavy, Coarse

EyesBlue


5.0
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18 years ago

My hair was sooo fried after straightening it. It felt like straw! I read alot about deep fuel and after trying it out, my hair felt so much silkier. However, I did use another treatment...

About reviewer (5 reviews)

Age25-29

SkinCombination, Fair-Medium

HairBlack

EyesBlack


5.0
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18 years ago

Excellent product. I think it's superior to k-pak.

About reviewer (54 reviews)

Age30-35

SkinCombination

HairBlond

EyesGreen


5.0
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18 years ago

I can't believe I haven't reviewed this product yet. It's my <strong>holy grail</strong> for protein treatments and I keep at least a full box in my arsenal at all times! My hair is naturally...

About reviewer (293 reviews)

Age36-43

SkinOily, Olive

HairBrown

EyesBrown


2.0
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18 years ago

Average at best Kerastase is more expensive, but blows this out of the water.

About reviewer (747 reviews)

Age25-29

SkinOily

HairBlond

EyesBlue


3.0
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18 years ago

This is a pretty good deep conditioner. It does make my coarse, thick, naturally curly hair stronger, but did nothing for calming coarseness/creating softness or frizz. Also, one packet was not...

About reviewer (583 reviews)

Age19-24

SkinAcne-prone, Fair-Medium, Cool

HairBrunette, Curly, Coarse

EyesBrown


5.0
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18 years ago

I wanted a protein mask - and I did get it! Left my hair coarse, though, and it needed double the leave-in conditioner just so that it wasn't like straw. Served the purpose, but I will alternate...

About reviewer (39 reviews)

Age25-29

SkinCombination, Fair

HairBlond

EyesBlue


5.0
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18 years ago

First, let me thank all of you who recommend using a deep conditioner after this treatment. I had breakage after bleach, freaked out, ran to JC Penny and the sales girl handed the Deep Fuel to me. ...

About reviewer (49 reviews)

Age36-43

SkinCombination, Fair-Medium, Neutral

HairBrunette, Straight, Medium

EyesHazel


5.0
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18 years ago

I just tried this today upon recommendation of a darling MUA'er and OMG, I can't believe it. My hair was bleached TWICE. The first time didn't quite lift all the yellow out so I had it done a...

About reviewer (635 reviews)

Age36-43

SkinDry, Fair-Medium, Neutral

HairBrown, Wavy, Fine

EyesBrown


3.0
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18 years ago

I got my hair highlighted last week. I have very fine, thin, dry, naturally curly blonde hair that is starting to go grey. The colorist said I needed to use Deep Fuel (1/2 tube) once a week to...

About reviewer (7 reviews)

Age36-43

SkinCombination

HairBlond

EyesBlue