Verdict: The Ordinary Vitamin C Suspension 23% + HA Spheres ($9) is a 74% match dupe for PETER THOMAS ROTH Potent-C™ Power Serum ($95). Full price and ingredient comparison below.
By the BeautyFlow Research Team · Updated July 2026
The Original
Potent-C™ Power Serum
$95The Dupe
Vitamin C Suspension 23% + HA Spheres
$9Curated by BeautyFlow editors
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Ingredient Comparison
Ingredient data coming soon
Frequently Asked Questions
Is The Ordinary Vitamin C Suspension 23% + HA Spheres a good dupe for PETER THOMAS ROTH Potent-C™ Power Serum?
Yes — The Ordinary Vitamin C Suspension 23% + HA Spheres is a 74% match for PETER THOMAS ROTH Potent-C™ Power Serum based on ingredient and formula comparison.
How much cheaper is The Ordinary Vitamin C Suspension 23% + HA Spheres than PETER THOMAS ROTH Potent-C™ Power Serum?
The Ordinary Vitamin C Suspension 23% + HA Spheres costs $9 versus $95 for PETER THOMAS ROTH Potent-C™ Power Serum — a saving of $87.
What is the difference between PETER THOMAS ROTH Potent-C™ Power Serum and The Ordinary Vitamin C Suspension 23% + HA Spheres?
The main difference is price — PETER THOMAS ROTH Potent-C™ Power Serum costs $87 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.
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