R+Co Dallas Thickening Shampoo — Biotin Volume for Fine Hair, 8.5 fl oz, Vegan & Strengthening

R+Co Dallas Thickening Shampoo is a biotin-enriched, vegan shampoo designed to strengthen and add visible fullness to fine, limp hair.

This lightweight cleansing formula combines biotin, hydrolyzed rice protein, and saw palmetto berry extract to nourish strands from root to tip while gently removing buildup. It’s formulated by R+Co, a stylist-led brand, to deliver immediate body and improved manageability without weighing hair down. Suitable for daily use, it prepares hair for styling and works well with conditioners and styling products intended to amplify volume.

How does Dallas make thin hair look thicker?

Dallas targets hair structure and surface condition to create the appearance of greater density. Biotin helps support the hair’s keratin network for stronger feeling strands, while rice protein plumps the hair shaft and saw palmetto adds body at the root.

• Biotin fortifies the keratin framework to reduce breakage and increase strand resilience.
• Hydrolyzed rice protein helps swell the hair shaft for a fuller look.
• Saw palmetto berry extract contributes lift at the root for improved volume.
• Lightweight cleansing removes residue so hair sits with more natural bounce.

Will this shampoo work for color-treated or chemically processed hair?

Dallas is formulated to be gentle enough for use on color-treated and chemically processed hair when used as part of a balanced routine. It focuses on strengthening and surface health rather than harsh stripping, but pairing with a color-safe conditioner is recommended to preserve hue.

• Sulfate-alternative surfactants provide effective cleansing without excessive fading.
• Protein and strengthening ingredients help reduce breakage common after chemical services.
• Follow with a hydrating or color-protecting conditioner for best results.

How should I use Dallas for the best thickening results?

Use a small amount on wet hair, lathering through roots to ends, then rinse thoroughly; repeat if hair is very oily or product-heavy. For added volume, towel-dry gently and apply lightweight volumizing products before blow-drying with a round brush or diffuser to boost lift and texture.

• Apply to wet hair and massage into the scalp for 30–60 seconds before rinsing.
• Repeat if necessary to remove styling buildup that flattens hair.
• Pair with a volumizing conditioner or lightweight leave-in for best body.
• Use heat styling tools and root-lifting techniques to maximize visible thickness.

Is Dallas safe for vegan and cruelty-free routines?

Yes—Dallas follows R+Co’s commitment to modern formulations that are vegan and cruelty-free, aligning with ingredient choices that avoid animal-derived components and animal testing. The formulation focuses on performance while meeting these ethical preferences.

• Vegan-friendly formula that excludes animal-derived ingredients.
• Cruelty-free standards maintained across product development.
• Designed by a stylist collective for professional-minded results at home.

Who this is for: R+Co Dallas Thickening Shampoo suits anyone with fine, limp, or thinning-looking hair who wants lightweight cleansing plus stronger-feeling strands and more visible body. It’s ideal for people seeking a vegan, cruelty-free option that boosts manageability and pairs well with volumizing conditioners and styling products. If you prefer heavy moisturizing treatments or need intensive repair for severely damaged hair, consider alternating Dallas with richer conditioning masks as part of a customized routine.

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 Limonene