DALLAS Biotin Thickening Liter Wash Kit

Name: DALLAS Biotin Thickening Liter Wash Kit
Brand: R+Co
SKU: RCO-LITER-KIT-DALL
Price: 171 USD
Availability: InStock
Rating: 4.0 (2 reviews)

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$171 ~~$228~~ In stock

Category: Shampoo + Conditioner Set

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

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Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.0 / 5 · 2 reviews)

Aurora F. ★★★★☆ Oct 19, 2026

Used the whole liter set for a month now and my fine hair has noticeably more volume, especially at the crown. The conditioner does a good job detangling without weighing things down, though I wish the scent lasted a bit longer in my hair.

Avery M. ★★★★☆ Oct 18, 2026

My hair definitely feels fuller at the roots after using this set, and the shampoo lathers up nicely without stripping. Only wish the conditioner were a bit richer for my dry ends, but the volume boost is real.