DALLAS Biotin Thickening Treatment
DALLAS Biotin Thickening Treatment
DALLAS Biotin Thickening Treatment
DALLAS Biotin Thickening Treatment
DALLAS Biotin Thickening Treatment
DALLAS Biotin Thickening Treatment
DALLAS Biotin Thickening Treatment
DALLAS Biotin Thickening Treatment
DALLAS Biotin Thickening Treatment
DALLAS Biotin Thickening Treatment

DALLAS

Biotin Thickening Treatment

$39.00
Rated 4.4 out of 5
Based on 75 reviews
Helps build texture for a long-lasting, voluminous effect.

Size

3 OZ

Frequency

Complete Your Regimen

Details

  • Description

    Our mega-thickening treatment helps build texture for a long-lasting, voluminous effect. It fortifies hair without weight, delivering instantaneous, visible results in minutes.
  • Claims

    Visible results after one application*:

    • Increased thickness + volume: fiber diameter +1%
    • Reduced split ends + flyaway’s through 10 washes

    *Clinical tests conducted on chemically treated hair, exposed to extreme damaging conditions of bleaching, washing, blow-drying and flat ironing.

  • Good For

  • Ingredients

Vegan

Gluten Free

Leaping Bunny-Certified

No Parabens

Bottle & Cap Made From 55% PCR

Fragrance

DARK WAVES

Cardamom
Pineapple
Tangerine
Lavender
Bamboo
Blonde Woods

A warm romantic scent

Shop Scent

How to Use

Apply to hair after washing, leave on for 5 minutes and rinse.

Reviews

average rating 4.4 out of 5
Based on 75 reviews
  • 5 Stars
    58 Reviews
  • 4 Stars
    5 Reviews
  • 3 Stars
    5 Reviews
  • 2 Stars
    1 Review
  • 1 Star
    6 Reviews
84% of reviewers would recommend this product to a friend
Customer photos and videos
75 Reviews
Reviewed by Sue T.
Verified Buyer
I recommend this product
Hair Type
Straight
Hair Density
Fine
What is your main hair goal?
Volume + Texture
Rated 5 out of 5
Review posted

Glad I tried this.

This is a great product. It makes my hair more manageable and it looks thicker.

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Reviewed by Patricia T.
Verified Buyer
I recommend this product
Hair Type
Straight
Hair Density
Fine
What is your main hair goal?
Volume + Texture
Rated 5 out of 5
Review posted

My hair actually feels thicker!

I have super thin fine shoulder length hair and it feels and looks thicker when I use this treatment! It doesn’t weigh my hair down and it’s super soft! I use all of the R&Co thickening products and love them!!!!

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Reviewed by Julie N.
Verified Buyer
I recommend this product
Hair Type
Straight
Hair Density
Fine
What is your main hair goal?
Hydration + Repair
Rated 4 out of 5
Review posted

Fine and Thin hair

So far I like it. I have very thin fine hair and it seems to curl nicely when I curl it. But what I most like is that my scalp has cleared up! Other shampoos and rinses cause my scalp to break out and itch! But R+Co seems to not cause that, so time will tell. So far So good!

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Reviewed by Janae C.
Verified Buyer
I recommend this product
Hair Type
Straight
Hair Density
Fine
What is your main hair goal?
Hydration + Repair
Rated 5 out of 5
Review posted

Thickening is what it is!

If you have thin hair! You won’t after using this treatment conditioner .

Every 7 days for 10 minutes.

That’s all it takes!

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Reviewed by Danielle
Rated 3 out of 5
Review posted

3 Stars

Didn’t notice a difference in my hair. Love the rest of the volume line

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