Comparison
The Ordinary Azelaic Acid vs Vitamin C for marks
Two budget The Ordinary products often compared for post-acne marks — azelaic acid suspension vs high-strength vitamin C.
Quick verdict
The Ordinary Azelaic Acid Suspension 10% is usually the gentler first pick for post-acne marks, redness and blemish-prone skin that does not tolerate strong acids. The Ordinary Vitamin C Suspension 23% is a high-strength ascorbic acid option for uneven tone and dark spots, but the texture and potential sting put some people off. Choose azelaic for a calmer, acne-friendly mark routine; choose vitamin C if your skin already tolerates strong vitamin C and PIH is the focus.
Side by side
 The Ordinary Azelaic Acid Suspension 10% The Ordinary |  The Ordinary Vitamin C Suspension 23% + HA Spheres 2% The Ordinary | |
|---|---|---|
| Status | published | published |
| Key actives | Azelaic acid (10%) | Vitamin C (23%) |
| Compared for | Dark spots from acne, Acne marks | Dark spots from acne, Acne marks |
| Product type | Dark spots from acne, Acne mark products, Serums | Acne mark products, Serums |
| Formulation | — | — |
| Routine | — | — |
| May suit | — | — |
| May want something else if | — | — |
| Pros | — | — |
| Cons | — | — |
| Availability | available | — |
| Guide price | — | — |
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Detailed comparison
The Ordinary Azelaic Acid Suspension 10% delivers azelaic acid in a cream-gel base. It is widely compared for post-inflammatory marks and sensitive acne-prone skin. The suspension can pill under some layers — many use it at night.
The Ordinary Vitamin C Suspension 23% + HA Spheres 2% is a high-concentration vitamin C in a silicone suspension. Vitamin C is often discussed for brightening and dark spots after breakouts, especially alongside daily SPF.
Both are leave-on serums from the same brand but with very different actives and textures. Many mark routines use azelaic acid or niacinamide first, then add vitamin C later if needed.