---
product_id: 278958532
title: "R+Co Dallas Biotin Thickening Shampoo | Thickens, Nourishes + Strengthens | Vegan + Cruelty-Free | 33.8 Oz"
brand: "r+co"
price: "$248.67"
currency: USD
in_stock: true
reviews_count: 6
category: "R+Co"
url: https://www.desertcart.us/products/278958532-r-co-dallas-biotin-thickening-shampoo-thickens-nourishes-strengthens-vegan
store_origin: US
region: United States of America
---

# Hydrolyzed Rice Protein locks in moisture & shine Saw Palmetto Berry adds natural body + thickness Biotin boosts hair strength + vitality R+Co Dallas Biotin Thickening Shampoo | Thickens, Nourishes + Strengthens | Vegan + Cruelty-Free | 33.8 Oz

**Brand:** r+co
**Price:** $248.67
**Availability:** ✅ In Stock

## Summary

> ✨ Elevate your hair game with every wash 💧

## Quick Answers

- **What is this?** R+Co Dallas Biotin Thickening Shampoo | Thickens, Nourishes + Strengthens | Vegan + Cruelty-Free | 33.8 Oz by r+co
- **How much does it cost?** $248.67 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/278958532-r-co-dallas-biotin-thickening-shampoo-thickens-nourishes-strengthens-vegan)

## Best For

- r+co enthusiasts

## Why This Product

- Trusted r+co brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Natural Volume Boost:** Saw Palmetto Berry extract enhances body for bouncy, abundant hair
- • **Hydration That Lasts All Day:** Rice protein seals moisture to prevent breakage and dullness
- • **Salon-Quality Results at Home:** Trusted by thousands for luscious, manageable hair
- • **Vegan & Cruelty-Free Confidence:** Ethically crafted formula aligns with conscious lifestyles
- • **Thicker, Fuller Hair from Root to Tip:** Biotin fortifies keratin for visibly stronger strands

## Overview

R+Co Dallas Biotin Thickening Shampoo is a 33.8 oz vegan and cruelty-free formula designed to nourish, strengthen, and volumize fine, flat hair. Powered by biotin to reinforce keratin, hydrolyzed rice protein to lock in moisture and shine, and saw palmetto berry extract to add natural body, this shampoo delivers salon-quality thickening and vitality for fuller, healthier hair.

## 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.

Review: Best volume shampoo - Great
Review: Pflegendes Shampoo, das feinem Haar tolles Volumen und Glanz verleiht, ohne zu beschweren.

## Features

- Biotin improves the keratin infrastructure of hair. Increases hair strength and vitality for thicker more abundant hair.
- Hydrolyzed Rice Protein locks in moisture and helps prevent breakage while improving shine, strength and flexibility of hair
- Saw Palmetto Berry Extract adds body to hair, helping it to appear thicker

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07S68JTJM |
| ASIN  | B07S68JTJM |
| Best Sellers Rank | #48,206 in Beauty ( See Top 100 in Beauty ) #2,238 in Hair Shampoos |
| Customer reviews | 4.5 4.5 out of 5 stars (4,548) |
| Date First Available  | 27 May 2019 |
| Item model number | 1037402486 |
| Item model number  | 1037402486 |
| Manufacturer | R+Co |
| Manufacturer  | R+Co |
| Product Dimensions | 8.38 x 8.38 x 24.89 cm; 1.18 kg |
| Product Dimensions  | 8.38 x 8.38 x 24.89 cm; 1.18 kg |

## Product Details

- **Age range (description):** Adult
- **Brand:** R+Co
- **Hair type:** Fine
- **Item form:** Liquid
- **Scent:** Biotin

## Images

![R+Co Dallas Biotin Thickening Shampoo | Thickens, Nourishes + Strengthens | Vegan + Cruelty-Free | 33.8 Oz - Image 1](https://m.media-amazon.com/images/I/71+QeedHW2L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Best volume shampoo
*by M***A on 9 March 2023*

Great

### ⭐⭐⭐⭐⭐ Review
*by E***V on 20 April 2025*

Pflegendes Shampoo, das feinem Haar tolles Volumen und Glanz verleiht, ohne zu beschweren.

### ⭐⭐⭐⭐⭐ Review
*by M***L on 15 December 2025*

This product works great! Has brought my hair to life, thick and full

## Frequently Bought Together

- R+Co Dallas Thickening Shampoo | Biotin for Hair Growth, Thickening, + Strengthening | Vegan + Cruelty-Free |
- R+Co Dallas Biotin Thickening Conditioner | Weightless Hydration, Strengthens + Enhances Shine | Vegan + Cruelty-Free |
- R+Co Rodeo Star Thickening Foam, Adds Dramatic Volume to Fine to Medium Hair

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**Shop now:** [https://www.desertcart.us/products/278958532-r-co-dallas-biotin-thickening-shampoo-thickens-nourishes-strengthens-vegan](https://www.desertcart.us/products/278958532-r-co-dallas-biotin-thickening-shampoo-thickens-nourishes-strengthens-vegan)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-17*