Garnier Fructis Sleek & Shine 10-in-1 Leave-In Spray

−77%per oz

OUAI · $32Garnier · $9.99

Shared: Same do-everything leave-in spray: detangles, smooths frizz on damp or dry hair and protects from hot tools up to 450°F.
The trade-off: It relies on argan oil and plant keratin where OUAI uses tamarind, panthenol and amino acids, and it claims 72 hours of smoothing.
Sizes: 177 ml against 240 ml

OUAI Leave In Conditioner dupe

Leave In Conditioner costs about $32 for 177 ml ($5.35 / fl oz). The closest match below is Garnier Fructis Sleek & Shine 10-in-1 Leave-In Spray at $9.99, about 77% less per ounce. Each pair is compared on format, finish and key ingredients, including what the dupe doesn't do.

Leave-in spray that detangles, smooths frizz and primes for heat styling, with heat protection up to 450°F from tamarind, panthenol and amino acids. For every hair type, color-treated included.

Original: $32
Cheapest dupe: $9.99
You save: 77%

Prices checked 23 September 2026; Amazon's price today may differ.

Buy the $9.99 dupe See the original

The dupe, side by side

The original

OUAI

Leave In Conditioner

$32

$5.35 / fl oz

−77%per oz

Cost per fl oz

OUAI$5.35 / fl oz

Garnier$1.23 / fl oz

$22.01 less at checkout than the original.

Size: Original · OUAI177 ml; Dupe · Garnier240 ml
Key ingredients: Original · OUAITamarind, Panthenol, Amino acids; Dupe · GarnierArgan oil, Plant keratin

What matches

Same do-everything leave-in spray: detangles, smooths frizz on damp or dry hair and protects from hot tools up to 450°F.

What the dupe does worse

It relies on argan oil and plant keratin where OUAI uses tamarind, panthenol and amino acids, and it claims 72 hours of smoothing.

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Questions

What is the best dupe for OUAI Leave In Conditioner?

Garnier Fructis Sleek & Shine 10-in-1 Leave-In Spray at about $9.99. Same do-everything leave-in spray: detangles, smooths frizz on damp or dry hair and protects from hot tools up to 450°F.

How much cheaper is Garnier Fructis Sleek & Shine 10-in-1 Leave-In Spray than Leave In Conditioner?

Leave In Conditioner costs about $32 for 177 ml, or $5.35 / fl oz. Garnier Fructis Sleek & Shine 10-in-1 Leave-In Spray works out at $1.23 / fl oz, roughly 77% less per ounce.

What does Garnier Fructis Sleek & Shine 10-in-1 Leave-In Spray do worse than Leave In Conditioner?

It relies on argan oil and plant keratin where OUAI uses tamarind, panthenol and amino acids, and it claims 72 hours of smoothing.