OLAPLEX No.6 Bond Smoother dupe

−72%per oz

OLAPLEXNo.6 Bond Smoother$29.97 $32

MarudermBioBond Repair Leave-In Smoothing & Heat Defense Cream$16.99

OLAPLEX No.6 Bond Smoother against Maruderm BioBond Repair Leave-In Smoothing & Heat Defense Cream
Fact	OLAPLEX	Maruderm
Type	✓ Leave-in styling cream, both
Key ingredients	✓ Bis-aminopropyl diglycol dimaleate	✓ Bis-aminopropyl diglycol dimaleate, Squalane, Hydrolyzed keratin
Size	100 ml	200 ml
Per ounce	$8.86 / fl oz	$2.51 / fl oz
Amazon rank	#3 in Hair Styling Creams & Lotions	#3148 in Hair Styling Creams & Lotions
Sold by	Amazon.com	Maruderm USA

The trade-off

6 smooths with dimethicone, phenyl trimethicone, isohexadecane and esters, so it holds frizz down harder; Maruderm has no silicone oil and leans on glycerin, squalane, sodium hyaluronate and keratin, with polysilicone-15, a UV filter.

No.6 Bond Smoother costs about $29.97 $32 for 100 ml ($8.86 / fl oz). The dupe below is Maruderm BioBond Repair Leave-In Smoothing & Heat Defense Cream at $16.99, about 72% less per ounce. Each pair is compared on format, finish and key ingredients, including what the dupe doesn't do.

Leave-in smoothing cream with Olaplex's bond builder, worked through damp hair before blow-drying against frizz: cetearyl alcohol and behentrimonium chloride with dimethicone, phenyl trimethicone, isohexadecane and light esters. 3.3 fl oz.

Amazon prices as of Oct 14, 2026, 2:13 PM ET, subject to change: the price on Amazon at checkout is the one that applies.

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The dupe, side by side

The original

OLAPLEX

No.6 Bond Smoother

$29.97 $32

$8.86 / fl oz

The dupe

Maruderm

BioBond Repair Leave-In Smoothing & Heat Defense Cream

$16.99

$2.51 / fl oz

Cost per fl oz

Original$8.86 / fl oz

Dupe$2.51 / fl oz

$12.98 less at checkout than the original.

What matches

A leave-in cream on the same frame, with Olaplex's bond builder: water, cetearyl alcohol, a behentrimonium conditioner and propanediol, with bis-aminopropyl diglycol dimaleate and the same hydrolyzed vegetable protein PG-propyl silanetriol.

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Sold as No.6 dupes, and left out

Marc Anthony smoothing cream. It is the same kind of leave-in styling cream, but not the same formula.Different formula · checked 29 September 2026

What a dupe has to clear, and everything we turned down

Questions

What is the best dupe for OLAPLEX No.6 Bond Smoother?

Maruderm BioBond Repair Leave-In Smoothing & Heat Defense Cream at about $16.99. A leave-in cream on the same frame, with Olaplex's bond builder: water, cetearyl alcohol, a behentrimonium conditioner and propanediol, with bis-aminopropyl diglycol dimaleate and the same hydrolyzed vegetable protein PG-propyl silanetriol.

How much cheaper is Maruderm BioBond Repair Leave-In Smoothing & Heat Defense Cream than No.6 Bond Smoother?

No.6 Bond Smoother costs about $29.97 for 100 ml, or $8.86 / fl oz. Maruderm BioBond Repair Leave-In Smoothing & Heat Defense Cream works out at $2.51 / fl oz, roughly 72% less per ounce.

Is OLAPLEX No.6 worth it?

No.6 Bond Smoother costs about $29.97 for 100 ml, about 3.5 times as much per ounce as Maruderm BioBond Repair Leave-In Smoothing & Heat Defense Cream. The trade-off with Maruderm: 6 smooths with dimethicone, phenyl trimethicone, isohexadecane and esters, so it holds frizz down harder; Maruderm has no silicone oil and leans on glycerin, squalane, sodium hyaluronate and keratin, with polysilicone-15, a UV filter. If that doesn't matter to you, the original isn't worth the extra $21.

Is Marc Anthony smoothing cream a dupe for OLAPLEX No.6?

Not by our rules. It is the same kind of leave-in styling cream, but not the same formula. Checked 29 September 2026.