Redken
Color Extend Blondage Shampoo
Redken Color Extend Blondage Shampoo — Triple acid complex + intense violet pigments deliver professional-grade brass neutralization and color care comparable to No.4P at a much lower price.
Best For
✓ A budget alternative to Olaplex No.4P Blonde Enhancer Toning Shampoo
Where to Buy
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The Original · 83% match
Olaplex
No.4P Blonde Enhancer Toning Shampoo
$34this dupe saves you $22 (65%)
The bond-building purple shampoo — Olaplex chemistry plus violet toning, the blonde-care benchmark.
How Color Extend Blondage Shampoo compares
Triple acid complex + intense violet pigments deliver professional-grade brass neutralization and color care comparable to No.4P at a much lower price.
See all dupes for No.4P Blonde Enhancer Toning Shampoo →Explore more
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Side-by-Side Comparison
Frequently asked questions
What is Redken Color Extend Blondage Shampoo a dupe of?
It's a 83% match dupe of Olaplex No.4P Blonde Enhancer Toning Shampoo ($34) — Triple acid complex + intense violet pigments deliver professional-grade brass neutralization and color care comparable to No.4P at a much lower price.
Is there a cheaper alternative to Redken Color Extend Blondage Shampoo?
Yes — Matrix Instacure Build-A-Bond Mighty Bonds Shampoo offers a similar result for $10 versus $12.
Where can I buy Redken Color Extend Blondage Shampoo?
It's available at Amazon — see the "Where to Buy" links above for current prices.