DALLAS Biotin Thickening Shampoo + Conditioner Set
DALLAS

Biotin Thickening Shampoo + Conditioner Set

This thickening shampoo adds vitality to fine, flat hair while nourishing and strengthening from root to tip.

High-performance

Award-winning

Vegan

Cruelty-free

How to use

Step 1
Apply shampoo from roots and work through ends.
Step 2
Rinse before applying conditioner from mid-lengths to ends.
Step 3
Leave on for 1-2 minutes and rinse.

GET THE EXPERT LOOK

Shop the Look

Step 1

DALLAS Biotin Thickening Shampoo
DALLAS
Biotin Thickening Shampoo
NOURISHMENT•STRENGTH•VOLUME
$38
For big, beautiful, bouncy hair, use DALLAS. This thickening shampoo adds vitality to fine, flat hair while nourishing and strengthening from root to tip.

Step 2

DALLAS Biotin Thickening Conditioner
DALLAS
Biotin Thickening Conditioner
NOURISHMENT•STRENGTH•VOLUME
$38
The final step for hair as big as Texas. DALLAS Biotin Thickening Conditioner revitalizes hair with lightweight hydration. Infused with Biotin for prolonged strength and enhanced shine.

Step 3

RODEO STAR Thickening Style Foam
RODEO STAR
Thickening Style Foam
VOLUME•THICKENING•HOLD
$38
Saddle up with RODEO STAR Thickening Style Foam to instantly add density and lift to your hair. A natural-feeling and non-sticky formula that adds volume.

IN THE WILD

WHAT PEOPLE ARE SAYING

4.7
Rated 4.7 out of 5 stars
Based on 340 reviews
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340 reviews
  • Marcella B.
    Verified Buyer
    Hair Type Wavy
    Hair Density Medium
    What is your main hair goal? Volume + Texture
    November 8, 2026
    Hair Type Wavy
    Hair Density Medium
    What is your main hair goal? Volume + Texture
    Reviewing
    DALLAS Biotin Thickening Shampoo + Conditioner Set
    Rated 5 out of 5 stars
    Dallas shampoo & conditioner

    Does what it says & smells so nice! Love it!

    Was this helpful?
  • Ashtyn G.
    Verified Buyer
    Hair Type Wavy
    Hair Density Fine
    What is your main hair goal? Volume + Texture
    November 6, 2026
    Hair Type Wavy
    Hair Density Fine
    What is your main hair goal? Volume + Texture
    Reviewing
    DALLAS Biotin Thickening Shampoo + Conditioner Set
    Rated 4 out of 5 stars
    Dallas Set Review

    My hair stylist recommended this set for me. I have very thin hair and I feel like it has given me some volume and have noticed my hair is significantly softer!

    Was this helpful?
  • Bethany P.
    Verified Buyer
    Hair Type Straight
    Hair Density Fine
    What is your main hair goal? Volume + Texture
    November 3, 2026
    Hair Type Straight
    Hair Density Fine
    What is your main hair goal? Volume + Texture
    Reviewing
    DALLAS Biotin Thickening Shampoo + Conditioner Set
    Rated 5 out of 5 stars
    Great scent

    My hair feels thicker after first use and smells fantastic!

    Was this helpful?
  • Jamie H.
    Verified Buyer
    Hair Type Straight
    Hair Density Fine
    What is your main hair goal? Volume + Texture
    November 3, 2026
    Hair Type Straight
    Hair Density Fine
    What is your main hair goal? Volume + Texture
    Reviewing
    DALLAS Biotin Thickening Shampoo + Conditioner Set
    Rated 5 out of 5 stars
    Lovely product

    Used for the first time today, smells great!

    Was this helpful?
  • Megan S.
    Verified Buyer
    Hair Type Wavy
    Hair Density Medium
    What is your main hair goal? Volume + Texture
    October 27, 2026
    Hair Type Wavy
    Hair Density Medium
    What is your main hair goal? Volume + Texture
    Reviewing
    DALLAS Biotin Thickening Shampoo + Conditioner Set
    Rated 5 out of 5 stars
    Perfect thickness

    This is a go-to product that I love. It is constantly keeping my hair thick and healthy and a staple in the shower!

    Was this helpful?