Dupe Score 87
Hair Shampoo
B3 vs 18.21 Man
Brazilian Bondbuilder Extension… · Made 3-in-1 Body Wash, Shampoo, and Conditioner for…
92% matchSave 78%
Confirmed dupe
MONDAYdupe forB3
HAIRCARE ORIGINAL Dry Shampoo with Keratin,…·replaces Brazilian Bondbuilder Extension…
Save ~72%: MONDAY HAIRCARE ORIGINAL Dry Shampoo with Keratin,… is our top budget pick vs B3 Brazilian Bondbuilder Extension… (91% category/use-case overlap).
What you're replacing
B3 Brazilian Bondbuilder Extension…
$24.99
Buy this instead
MONDAY HAIRCARE ORIGINAL Dry Shampoo with Keratin,…
$6.97
Save $18 (72% less)
Why this dupe works
If you want the B3 vibe without the splurge, start with MONDAY HAIRCARE ORIGINAL Dry Shampoo with Keratin,…. Shoppers report similar results for everyday hair shampoo wear; swap only if you need the exact luxury shade, finish, or brand experience. Size-wise, B3 lists ~850.24 ml vs MONDAY at ~200.0 ml — check unit price before buying.
Before you switch
Dupes match category and use case — not always an identical shade or formula. Read the full comparison for shade and formula trade-offs.
Price drop alert
Notify me if this dupe gets cheaper
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