Skip to content

Kérastase dupes — the honest version

As of July 21, 2026, Kérastase costs a median of $5.41 per fl oz across the 48 listings we track — about 1.2× the $4.59 median of all 545 hair & body listings we track. The cheapest we track is $0.16 per fl oz — roughly 35× less.

What we are and aren’t claiming. A cheaper product is not the same formulation, and nobody — us included — can tell you it performs identically. What we can tell you exactly is what each one costs per fl oz, measured the same way, from live prices. The gap below is real. Whether it’s worth it is your call.

In money: at 6 fl oz a month (6 fl oz a month), Kérastase runs $32/month versus $1/month at the cheapest — about $378 a year apart.

Is Kérastase worth it? All hair & body ranked

The cheapest Kérastase we track

If you want the brand, this is the least you can pay per fl oz for it right now: $3.55/fl oz — Nutritive Bain Satin Riche Shampoo - Cleanses & Strengthens….

Cheaper hair & body we track, by real cost per fl oz

Not copies — just what everything else costs, measured the same way.

Frequently asked

Is there a real Kérastase dupe?▾

Nothing is a like-for-like copy — a cheaper product is a different formulation, and anyone telling you otherwise is guessing. What is knowable is the price. As of July 21, 2026, Kérastase runs $5.41 per fl oz across the 48 listings we track, while the cheapest hair & body we track costs $0.16 per fl oz — about 35× less. Decide what the difference is worth to you with the real numbers in front of you.

How much does Kérastase cost per fl oz?▾

$5.41 per fl oz is the median across the 48 Kérastase listings we track, ranging from $3.55 upward. The median for all 545 hair & body listings we track is $4.59 per fl oz, so Kérastase sits at about 1.2× the middle of the market.

How much would switching save me?▾

At 6 fl oz a month (6 fl oz a month), Kérastase costs about $32 a month. The cheapest hair & body we track would cost $1 — a difference of roughly $378 a year.