Osis Flatliner

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4.2

17 reviews

76%
would repurchase
4.2/5
package quality

price range

Reviews

Reviews


4.0
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4 years ago

I bought this on advice from the salesperson as an alternative to the Redken 11 Iron Shape (after they changed the formula and added beeswax which made it horrific to use!). I am very happy with...

About reviewer (3 reviews)

Age25-29

SkinAcne-prone, Fair

HairBrunette

EyesHazel



5.0
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4 years ago

Solid stuff. I've tried cheaper products (looking at you, g2b Guardian Angel) and alternative salon brands, and I always either hated that I had to tolerate an awful smell or sticky, tangled hair...

About reviewer (55 reviews)

Age25-29

SkinVery Dry, Fair, Neutral

HairBrunette, Wavy, Medium

EyesGreen


3.0
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from

7 years ago

The Osis Flatliner is a good spray for protecting your hair from heat, without making your hair sticky or greasy. I guess it does help to make your hair more straight, though I am not the best...

About reviewer (64 reviews)

Age19-24

SkinAcne-prone, Fair, Cool

HairBlack, Straight, Fine

EyesBlue


5.0
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7 years ago

Really like this.

About reviewer (250 reviews)

Age19-24

SkinVery Oily, Fair, Warm

HairBlond, Straight, Fine

EyesBlue


4.0
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8 years ago

I was searching for a nice straightening serum for my thick dry totally frizzed out hair to use especially after blow drying cause whenever I used to blow dry by myself my hair would ballon out...

About reviewer (16 reviews)

Age19-24

SkinOily, Fair-Medium

HairBlack

EyesBrown


3.0
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9 years ago

I like the bottle that it comes in. I have been using this spray for a few years now, and I guess it protects my hair. It smells bad, but it doesn't make my hair smell like it, thank goodness. I...

About reviewer (18 reviews)

Age19-24

SkinCombination, Fair, Neutral

HairBrown, Wavy, Medium

EyesBrown


5.0
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10 years ago

I use this every time I flatten my hair (approx. once a week). I have never had any bad experiences with this, and it always leaves my hair feeling silky soft (the product contains silk for more...

About reviewer (20 reviews)

Age19-24

SkinAcne-prone, Fair

HairBrunette

EyesGreen


4.0
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10 years ago

Awesome packaging, really cuts down on time... only problem is its a LITTLE on the oily side but worth it in the end :)

About reviewer (16 reviews)

AgeUnder 18

SkinCombination, Fair, Cool

HairBlond, Other, Other

EyesBlack


1.0
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11 years ago

Oh my.... What was I thinking when I bought Flatliner. It smells awful, like some cheap alcohol, it makes my hair crunchy and dry. I would not buy this product again!!!

About reviewer (26 reviews)

Age25-29

SkinDry, Tan, Not Sure

HairBlond, Other, Coarse

EyesBlack


5.0
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11 years ago

I was given this flat iron serum and if went right in the drawer with all the other hair products that are worthless! I have coarse curly hair that I wear straight about 5 days out of the week. I...

About reviewer (7 reviews)

Age25-29

SkinCombination, Olive, Warm

HairBlack, Relaxed, Coarse

EyesBrown



4.0
Created with Sketch.

4 years ago

I bought this on advice from the salesperson as an alternative to the Redken 11 Iron Shape (after they changed the formula and added beeswax which made it horrific to use!). I am very happy with...

About reviewer (3 reviews)

Age25-29

SkinAcne-prone, Fair

HairBrunette

EyesHazel



5.0
Created with Sketch.

4 years ago

Solid stuff. I've tried cheaper products (looking at you, g2b Guardian Angel) and alternative salon brands, and I always either hated that I had to tolerate an awful smell or sticky, tangled hair...

About reviewer (55 reviews)

Age25-29

SkinVery Dry, Fair, Neutral

HairBrunette, Wavy, Medium

EyesGreen


3.0
Created with Sketch.
from

7 years ago

The Osis Flatliner is a good spray for protecting your hair from heat, without making your hair sticky or greasy. I guess it does help to make your hair more straight, though I am not the best...

About reviewer (64 reviews)

Age19-24

SkinAcne-prone, Fair, Cool

HairBlack, Straight, Fine

EyesBlue


5.0
Created with Sketch.

7 years ago

Really like this.

About reviewer (250 reviews)

Age19-24

SkinVery Oily, Fair, Warm

HairBlond, Straight, Fine

EyesBlue


4.0
Created with Sketch.

8 years ago

I was searching for a nice straightening serum for my thick dry totally frizzed out hair to use especially after blow drying cause whenever I used to blow dry by myself my hair would ballon out...

About reviewer (16 reviews)

Age19-24

SkinOily, Fair-Medium

HairBlack

EyesBrown




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