shipping icon

pickup icon

Skip to main content
3 ounce bottle of R+Co Dallas Biotin Thickening Treatment with image of a stallion silhouetted against a sunset
Bottle of R+Co Dallas Biotin Thickening Treatment on a mirrored surface next to a squiggled sample application of the product

R+Co - Dallas Biotin Thickening Treatment

$38.00

**THIS ITEM IS AN IN-STORE EXCLUSIVE AND MUST BE PICKED UP AT OUR FLAGSHIP STORE LOCATED IN SALT LAKE CITY, UTAH. MORE INFORMATION IS AVAILABLE AT CHECKOUT.**

This mega-thickening treatment helps build texture for a long-lasting, voluminous effect. It fortifies hair without weight, delivering instantaneous, visible results in minutes. Features R+Co's signature Dark Waves fragrance—a romantic blend of Cardamom, Pineapple, Tangerine, Lavender, Bamboo, and Blonde Woods.

Additional Benefits:
• Cruelty-free and vegan; Leaping Bunny certified
• Gluten-free, sulfate-free, paraben-free, petrolatum-free, mineral oil-free
• Bottle and cap are made from 55% post-consumer resource (PCR) materials gathered from domestic US sources to reduce virgin plastic consumption and decrease the use of fossil fuels and energy used in packaging manufacturing

Good for:
Instantly strengthening and thickening hair by adding texture and substance.

Key Ingredients:
 Biotin strengthens the infrastructure of hair and improves vitality.
 Ginseng Root Extract prevents breakage and promotes a healthy scalp.
• Rice Starch effectively absorbs excess oils to increase hair volume.
• Quinoa Seed Extract reduces split ends, repairs, and protects the hair cuticle.
• Hydrogenated Castor Oil adds shine and locks in hydration hair and scalp.

How to Use:
Apply to hair after washing, leave on 5 minutes, and rinse.

Claims:
After one application*, increased thickness and volume (fiber diameter +1%) and reduced split ends and flyaways through 10 washes.

*Clinical tests conducted on chemically treated hair exposed to extreme damaging conditions of bleaching, washing, blow-drying, and flat-ironing.