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(14)14

Dallas Biotin Thickening Shampoo

R+Co

Sold Out

SOLD OUT

This item is no longer available. Browse our recommendations for something similar.

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Details & care

What it is: A thickening shampoo that adds vitality to fine, flat hair while nourishing and strengthening from root to tip.

Who it's for: Anyone with thin, fine hair looking for thickening benefits.

What it does: It is formulated with biotin, which 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 appear thicker. Coconut oil helps strengthen and condition hair. Promotes scalp health. Adds luster, shine and softness to hair and prevents hair breakage and split ends. Loquat fruit extract is packed with vital nutrients, vitamins and minerals that help maintain a full mane.

How to use: Apply at mid-length of your hair and work through to roots and ends.

  • Paraben-free
  • Cruelty-free
  • Vegan
  • Made in the USA
  • Part of BEAUTYSPACE
  • Item #7210531
  • Core Product ID 333336YPZS

Ingredients

Aqua/Water/Eau, Sodium Lauroyl Methyl Isethionate, Lauryl Glucoside, Disodium Cocoamphodipropionate, Sodium Cocoyl Isethionate, Sodium Lauroyl Sarcosinate, Acrylates Copolymer, Parfum/Fragrance, Glycerin, Litchi Chinensis Pericarp Extract, Serenoa Serrulata Fruit Extract, Eriobotrya Japonica Fruit/Leaf Extract, Citrus Junos Peel Extract, Rhodiola Rosea Root Extract, Cynara Scolymus (Artichoke) Leaf Extract, Hydrolyzed Vegetable Protein PG-Propyl Silanetriol, Hydrolyzed Rice Protein, Rice Oil Glycereth-8 Esters, Biotin, Panthenol, Cocamide MIPA, Butylene Glycol, Polyquaternium-10, Silicone Quaternium-8, Trideceth-10, Butyl Methoxydibenzoylmethane, Ethylhexyl Methoxycinnamate, Ethylhexyl Salicylate, Disodium EDTA, Citric Acid, BHT, Phenoxyethanol, Caprylyl Glycol, Ethylhexylglycerin, Sodium Benzoate, Benzyl Alcohol, Isopropanolamine, Potassium Sorbate, Limonene.
Ingredients are subject to change at the manufacturer's discretion. For the most complete and up-to-date list of ingredients, refer to the product packaging

Shipping & returns

This item qualifies for free shipping on orders over $89. View Shipping & Returns Policy.

Eligible Rack purchases made between 10/5/26 and 12/24/26 can be returned by 1/18/27 or 40 days after purchase—whichever is later. Online purchases: eligible items can be returned by mail or to a Nordstrom Rack or Nordstrom store. Store purchases: eligible items can be returned to a Nordstrom Rack or Nordstrom store. All returns are subject to our return policy terms.

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R+Co

Founded by a trio of top-tier hairstylists, R+Co creates hair products that provide a total experience. From the packaging to the fragrance, everything is meant to evoke a feeling, place and attitude—while giving you salon-quality hair. R+Co hair care is vegetarian, cruelty-free, gluten-free and color-safe, and it's made without parabens, sulfates, mineral oil and petrolatum. This brand is part of BEAUTYSPACE, a global beauty destination offering a carefully edited selection of the world's most innovative beauty products, including cosmetics, skin care and tools. Since its founding in 1993, it has given emerging brands access to a broader market—through Nordstrom and other prominent retailers. Today, BEAUTYSPACE encompasses more than 70 global brands.

Reviews

(14)144.1 out of 5
Write a Review

Most helpful positive review

Mar 19, 2025

This really works!

I have tried so many shampoos that say they will thicken my hair, and then they all fall flat. This R+Co shampoo really works! I have thin blonde hair and this shampoo has made my hair feel thick and full! Amazing product!!!!
shellvell
Reposted from nordstrom.com

Most helpful critical review

Nov 30, 2025

Damaged Hair

Since using this my hair has become dry and damaged. It falls out and breaks off easily. The worst shampoo product I have used.
nordygirlmom
Verified purchase
Reposted from nordstrom.com

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5 stars71%
4 stars0%
3 stars7%
2 stars7%
1 star14%
Nov 30, 2025

Damaged Hair

Since using this my hair has become dry and damaged. It falls out and breaks off easily. The worst shampoo product I have used.
Reposted from nordstrom.com
Verified purchase
nordygirlmom
Oct 7, 2025

waste

Takes 1/4 of a cup to distribute throughout my short fine hair….plus it makes my hair oily within 24 hours. What happened to the television series? 10000x better. They always stop carrying the best stuff. Go to rco website.
Reposted from nordstrom.com
Verified purchase
nooep
Mar 19, 2025

This really works!

I have tried so many shampoos that say they will thicken my hair, and then they all fall flat. This R+Co shampoo really works! I have thin blonde hair and this shampoo has made my hair feel thick and full! Amazing product!!!!
Reposted from nordstrom.com
shellvell
Nov 17, 2024

It's fine, not worth the price

Works fine, but no different than any other shampoo- save your money.
Reposted from nordstrom.com
Verified purchase
Mermaid25
Oct 14, 2024

Hair thickening shampoo

Felt the difference on my hair right away and the smell is spectacular ❤️
Reposted from nordstrom.com
Verified purchase
Flor Sanche
Sept 22, 2024

Thicker hair without heavy residue.

I am 66 years old and really do not want to appear to have thin, dry hair. This product gives me the thickness I desire without being heavy with an added bonus of shine.
Reposted from nordstrom.com
Slipperorshoe
June 13, 2024

Great product but packaging questionable.

I truly enjoyed the product and it did a great job on my hair. However, the bottles for the shampoo and conditioner are extremely difficult to get the product to come out of the bottle.
Reposted from nordstrom.com
CathyNrdFn
Apr 10, 2024

thinning hair

Very good shampoo. My hair feels soft and looks shiny and thick.
Reposted from nordstrom.com
Verified purchase
1opinion
Mar 16, 2024

Shampoo

Great shampoo, makes hair feel clean and smells great
Reposted from nordstrom.com
Verified purchase
Maryann F
Nov 28, 2023

R & Co

Great thickening shampoo!
Reposted from nordstrom.com
Verified purchase
Miss Vickie
Oct 1, 2023

Glad I got it!

It’s good! It does not lather up like other shampoos, I have to wash a couple of time before it feels clean but I go 4 days in between each shampoo. It’s been worth it my hair feels clean for days. The bottle was smaller than I thought but I don’t use very much or everyday. I’ve only used it a handful of times so far so can’t comment on if it’s made my hair thicker.
Reposted from nordstrom.com
Verified purchase
Betseyk
July 18, 2023

Thickening shampoo that delivered!

This shampoo left my hair feeling great. It didn’t strip it or leave it dry. I wash my hair 2 or 3 times a week because of how dry my hair is and allergies. I would buy this product again- maybe even the bulk size - I liked it that much that I can see alternating between ORIBE or IGK products.
Reposted from nordstrom.com
Verified purchase
Justaswinging
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