Side-by-side comparison

B3vs18.21 Man

Brazilian Bondbuilder Extension…·Made 3-in-1 Body Wash, Shampoo, and Conditioner for…

Side-by-side look at B3 Brazilian Bondbuilder Extension… ($24.99) and 18.21 Man Made 3-in-1 Body Wash, Shampoo, and Conditioner for… ($5.59) in the hair shampoo category.

Dupe Score 87Strong dupe

92% matchSave 78%

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Luxury pick

B3

Brazilian Bondbuilder Extension…

$24.99

$0.03 / ml

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Budget dupe

18.21 Man

Made 3-in-1 Body Wash, Shampoo, and Conditioner for…

$5.59

$0.01 / ml

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Spec	B3	18.21 Man
Category	Hair Shampoo	Hair Shampoo
Finish	Varies	Varies
Coverage	Varies	Varies
Volume	850.24 ml (28.8 fl oz)	532.32 ml (18.0 fl oz)
Unit Price	$0.03 / ml	$0.01 / ml
Skin Type	All	All
Tags	Luxury	Budget

Our verdict

For a fair comparison, weigh formula claims, shade/finish, and wear time — not just price. 18.21 Man Made 3-in-1 Body Wash, Shampoo, and Conditioner for… undercuts B3 Brazilian Bondbuilder Extension… by about 77%, but the luxury option may still win on texture, longevity, or shade match depending on your priorities. Size-wise, B3 lists ~850.24 ml vs 18.21 Man at ~532.32 ml — check unit price before buying.

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