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Side-by-side comparison

Nº4 Bond Repair ShampoovsBoldPlex

Restores Broken Hair Bonds·4 Bond Strengthening Protein Shampoo for Dry Damaged…

Side-by-side look at Nº4 Bond Repair Shampoo Restores Broken Hair Bonds ($55.0) and BoldPlex 4 Bond Strengthening Protein Shampoo for Dry Damaged… ($19.99) in the hair shampoo category.

Dupe Score 86Strong dupe
95% matchSave 64%
High confidenceShop the dupeAll dupes for this productNº4 Bond Repair Shampoo brand hub

Luxury pick

Restores Broken Hair Bonds

Nº4 Bond Repair Shampoo

Restores Broken Hair Bonds

$55
$0.12 / ml
Shop Nº4 Bond Repair ShampooSearch Amazon

Budget dupe

4 Bond Strengthening Protein Shampoo for Dry Damaged…

BoldPlex

4 Bond Strengthening Protein Shampoo for Dry Damaged…

$19.99
$19.99
Shop the dupe on AmazonSearch Amazon
SpecNº4 Bond Repair ShampooBoldPlex
CategoryHair ShampooHair Shampoo
FinishVariesVaries
CoverageVariesVaries
Volume450 ml (15.2 fl oz)N/A
Unit Price$0.12 / ml$19.99
Skin TypeAllAll
TagsLuxuryBudget

Our verdict

For a fair comparison, weigh formula claims, shade/finish, and wear time — not just price. BoldPlex 4 Bond Strengthening Protein Shampoo for Dry Damaged… undercuts Nº4 Bond Repair Shampoo Restores Broken Hair Bonds by about 63%, but the luxury option may still win on texture, longevity, or shade match depending on your priorities.

Shop the dupeAll Nº4 Bond Repair Shampoo dupes

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Notify me if this dupe gets cheaper

We watch BoldPlex 4 Bond Strengthening Protein Shampoo for Dry Damaged… (currently $19.99) and email you when the price drops.

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