Verdict: The Inkey List PCA Bond Repair Hair Treatment ($28) is a 82% match dupe for Olaplex No. 3 Hair Perfector ($38) — 26% cheaper for a comparable formula. Full price and ingredient comparison below.
By the BeautyFlow Research Team · Updated July 2026
The Original
No. 3 Hair Perfector
$38The Dupe
Save 26%
PCA Bond Repair Hair Treatment
$28Originally spotted by
Ingredient Comparison
Ingredient data coming soon
Ingredient data coming soon
Frequently Asked Questions
Is The Inkey List PCA Bond Repair Hair Treatment a good dupe for Olaplex No. 3 Hair Perfector?
Yes — The Inkey List PCA Bond Repair Hair Treatment is a 82% match for Olaplex No. 3 Hair Perfector based on ingredient and formula comparison, at 26% less ($28 vs $38).
How much cheaper is The Inkey List PCA Bond Repair Hair Treatment than Olaplex No. 3 Hair Perfector?
The Inkey List PCA Bond Repair Hair Treatment costs $28 versus $38 for Olaplex No. 3 Hair Perfector — a saving of $10 (26% less).
What is the difference between Olaplex No. 3 Hair Perfector and The Inkey List PCA Bond Repair Hair Treatment?
The main difference is price — Olaplex No. 3 Hair Perfector costs $10 more. Formulas are closely matched in our comparison, though packaging and shade ranges may differ. See the full ingredient table on this page for the exact overlap.
Get Alerts for New Olaplex Dupes
Be first to know when we verify a cheaper match for No. 3 Hair Perfector — plus weekly top dupe finds
Other Dupes for No. 3 Hair Perfector
Community Photos
Community Discussion
Build Your Complete Routine
Get personalized product recommendations with dupes for every step — tailored to your skin type, concerns, and budget.
Get My Routine