Kerastase Resistance Bain Extentioniste Shampoo… — For All Hair Types
Our summary
Kérastase Resistance Bain Extentioniste Shampoo is a liquid shampoo in a 16.9 fl oz bottle, formulated for all hair types to support elasticity and strength. At $4.14 per fl oz, it costs roughly 11% below the typical price for the hair and body category. The pack provides about 17 fl oz, lasting roughly 2.8 months at a usage rate of 6 fl oz per month.
16.9 fl oz in this pack
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The priciest hair & body deal we track costs 19× more per fl oz.
Price & stock last checked
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- Rank by cost per fl oz
- 384 of 982
- vs category median
- −11%
- 19-day low
- $70.00
- Price checks
- 21
Price · last 60d
$70.00
Cheaper per fl oz in hair & body

milk_shake Whipped Cream Leave-In Foam… — sunflower seed ext
At $4.14/fl oz, Kerastase Resistance Bain Ex… — For All Hair Types 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 4 hours ago.
| Cheapest hair & body / fl oz | $1.07 |
| Median | $4.67 |
| This deal | $4.14 |
| Most expensive | $79.06 |
Timing tip: see the cheapest month to buy hair & body.
About this hair & body listing
Is Kerastase Resistance Bain Ex… — For All Hair Types a good deal?
About typical — $4.14/fl oz against a hair & body median of $4.67/fl oz, ranking 384 of 982.
What does $4.14/fl oz mean?
It's the real cost per fl oz — the price divided by the fl oz in the pack (16.9 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?
383 of the 982 hair & body we track, which puts this one 384th by cost per fl oz. The next cheapest is $4.14/fl oz.
What is the lowest price this has been?
$70.00 — the lowest of 21 price checks we have taken over the 19 days we have been tracking this listing. It is $70.00 today, which matches that low.
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.




