R+Co DALLAS Biotin Thickening Shampoo, 8.5 fl oz/251 mL
Our summary
R+Co DALLAS Biotin Thickening Shampoo, a liquid hair-care product in an 8.5 fl oz bottle with Dark Waves Scent, costs $4.01 per fl oz. That is roughly 14% below the typical price for the hair & body category. The pack holds about 8 fl oz of product, which lasts roughly 1.4 months at a typical usage of 6 fl oz per month.
8.5 fl oz in this pack
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The priciest hair & body deal we track costs 20× more per fl oz.
Price & stock last checked
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- Rank by cost per fl oz
- 369 of 982
- vs category median
- −14%
Price · last 60d
$34.00
Cheaper per fl oz in hair & body
At $4.01/fl oz, R+Co DALLAS Biotin Thickening S…, 8.5 fl oz/251 mL is about typical for hair & body — the hair & body we track range from $1.07 to $79.06/fl oz (median $4.67). This listing's price was last checked 7 hours ago.
| Cheapest hair & body / fl oz | $1.07 |
| Median | $4.67 |
| This deal | $4.01 |
| Most expensive | $79.06 |
Timing tip: see the cheapest month to buy hair & body.
About this hair & body listing
Is R+Co DALLAS Biotin Thickening S…, 8.5 fl oz/251 mL a good deal?
About typical — $4.01/fl oz against a hair & body median of $4.67/fl oz, ranking 369 of 982.
What does $4.01/fl oz mean?
It's the real cost per fl oz — the price divided by the fl oz in the pack (8.5 fl oz). Comparing per fl oz lets a big pack and a small one line up on the same scale, so you see true value instead of sticker price.
How many hair & body are cheaper per fl oz?
368 of the 982 hair & body we track, which puts this one 369th by cost per fl oz. The next cheapest is $4.01/fl oz.
What should I pay for hair & body?
Across 982 tracked hair & body, under $3.12/fl oz is a genuinely good price, around $4.67/fl oz is typical, and above $7.25/fl oz you are paying over the odds.
Confirm the live price at the retailer before buying.
