DALLAS Biotin Thickening Shampoo
DALLAS Biotin Thickening Shampoo
DALLAS Biotin Thickening Shampoo
DALLAS Biotin Thickening Shampoo
DALLAS Biotin Thickening Shampoo
DALLAS Biotin Thickening Shampoo
DALLAS Biotin Thickening Shampoo
DALLAS Biotin Thickening Shampoo

DALLAS

Biotin Thickening Shampoo

$38.00
Rated 4.8 out of 5
Based on 431 reviews
This thickening shampoo adds vitality to fine, flat hair while nourishing and strengthening from root to tip.

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    Description

    For big, beautiful, bouncy hair, use DALLAS. This thickening shampoo adds vitality to fine, flat hair while nourishing and strengthening from root to tip.

    Good For

    Anyone with thin, fine hair looking for thickening benefits.

    Ingredients

    Biotin, improves the keratin infrastructure of hair. Increases hair strength and vitality.

    Pro Vitamin B5, penetrates hair and provides intense hydration. Coats strands and adds a natural sheen.

    Saw Palmetto Berry Extract, adds body to hair, helping it to appear thicker.

    Coconut Oil, helps to strengthen and condition hair. Promotes scalp health. Adds luster, shine and softness to the hair and prevents hair breakage and split ends.

    Loquat Fruit Extract, packed with vital nutrients, vitamins and minerals that help maintain a full mane.

    View Full Ingredients

    Water (Aqua/Eau), Sodium Lauroyl Sarcosinate, Coco-Glucoside, Lauryl Glucoside, Cocamide MIPA, Sodium Cocoyl Isethionate, Sodium Lauroyl Methyl Isethionate, Acrylates Crosspolymer-4, Glycerin, Phenoxyethanol, Fragrance (Parfum), Propanediol, Triheptanoin, Coco-Caprylate/Caprate, Coconut Acid, Guar Hydroxypropyltrimonium Chloride, Potassium Sorbate, Caprylyl Glycol, Sodium Isethionate, Polyquaternium-7, Panthenol, Dilinoleic Acid/Butanediol Copolymer, Trisodium Ethylenediamine Disuccinate, Oryza Sativa (Rice) Bran Extract, Tetrasodium Glutamate Diacetate, Sodium Benzoate, Butylene Glycol, Helianthus Annuus (Sunflower) Extract, Serenoa Serrulata Fruit Extract, Cinnamidopropyltrimonium Chloride, Castor Oil/IPDI Copolymer, Tocopherol, Rosmarinus Officinalis (Rosemary) Leaf Extract, Hydrolyzed Quinoa, Biotin, Cocos Nucifera (Coconut) Oil, Brassica Campestris/Aleurites Fordi Oil Copolymer, Eriobotrya Japonica Leaf Extract, Litchi Chinensis Pericarp Extract, Benzyl Alcohol, Hydrolyzed Vegetable Protein, Citric Acid, Disteareth-75 IPDI, Sodium Hydroxide, Limonene

    Please be aware that ingredient lists may change or vary from time to time. To confirm that this R+Co product is suitable for your personal use, please reference the list of ingredients included on your product packaging.

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 at mid-length of your hair and work through to roots and ends.

Reviews

Rated 4.8 out of 5 based on 431 reviews
average rating 4.8 out of 5
Based on 431 reviews
  • 5 Stars
    378 Reviews
  • 4 Stars
    33 Reviews
  • 3 Stars
    13 Reviews
  • 2 Stars
    4 Reviews
  • 1 Star
    3 Reviews
95% of reviewers would recommend this product to a friend
431 Reviews
Reviewed by Mary L.
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

Excellent!! daily use thickening shampoo

Love this shampoo for daily thickening and volume without any drying effects.

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

Give my hair volume

The Dallas shampoo does give my hair volume, but since I struggle with dry, fine, thin hair it tends to make my hair a bit frizzy. I still like the shampoo, but use a good dose of conditioner

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R+Co

Thank you so much for your honest 4-star review, Jamie! ✨ We're really glad to hear that DALLAS is giving your hair the volume you're looking for — that's awesome!

We totally hear you about the frizz though, especially with fine, thin hair that tends to be on the drier side. It sounds like you've found a great solution by pairing the shampoo with a good dose of conditioner to keep your hair feeling the way you want it to. That's such valuable insight into how the formula works with your specific hair type and needs!

We really appreciate you sharing your experience with DALLAS and for sticking with the shampoo even as you've figured out what works best for your routine. Feedback like yours helps us understand how our thickening formulas perform across different hair types, and we're grateful you took the time to let our community know what to expect! 💫

With gratitude,
The R+Co Team

Reviewed by Erin D.
Verified Buyer
I recommend this product
Hair Type
Wavy
Rated 4 out of 5
Review posted

Great product!

This shampoo smells amazing and adds volume to my already thinning hair. I have been using it for almost a year and have noticed less shedding as well.

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

Shampoo

Excellent product

Best shampoo I have ever used.

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Reviewed by Paige L.
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

Instant Fan

This shampoo has been a blessing for my hair and scalp. I love how it lathers and it smells great. Within one use, I've noticed softer, shinier, and smoother hair. Definitely adding this to my favs list

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