Comparison
Anua Azelaic Acid 10 Hyaluron Redness Soothing Serum vs COSRX The Vitamin C 23 Serum
Two serums that compete for the same routine slot. Below is the side by side: what makes each one different and who each one suits best.

Anua
Azelaic Acid 10 Hyaluron Redness Soothing SerumA 10 percent azelaic acid serum cushioned with hyaluronic acid, which is still a rare combination in K-beauty. Targeted at persistent redness, post blemish marks and uneven tone on skin that cannot handle stronger acids.

COSRX
The Vitamin C 23 SerumPunchy 23% L-ascorbic acid serum for serious brightening. Not for sensitive skin, for vitamin C veterans.
Choose Azelaic Acid 10 Hyaluron Redness Soothing Serum if
- Your main concern is Redness or Blemishes.
- You have Sensitive skin.
- You want Azelaic Acid, Panthenol in the formula.
Choose The Vitamin C 23 Serum if
- Your main concern is Hyperpigmentation or Dull.
- You want Vitamin C (L-AA) in the formula.
- High-strength vitamin C at a low price
At a glance
- Sensitive
- Combination
- Oily
- Normal
- Normal
- Combination
- Oily
- Redness
- Blemishes
- Uneven Tone
- Texture
- Hyperpigmentation
- Dull
- Melasma
- Azelaic Acid
- Hyaluronic Acid
- Panthenol
- Vitamin C (L-AA)
- Hyaluronic Acid
- High-strength vitamin C at a low price
- Visible brightening in weeks
- Strong tingle is normal
- Oxidizes fast, buy small bottles
- Not for beginners
Ingredient interactions
No flagged interactions between the key ingredients in these two products. Both share Hyaluronic Acid, which means you get overlapping benefits if you use them at different times of day.
FAQ
What is the main difference between Anua Azelaic Acid 10 Hyaluron Redness Soothing Serum and COSRX The Vitamin C 23 Serum?
Both are serums. Anua Azelaic Acid 10 Hyaluron Redness Soothing Serum focuses on Redness and Blemishes, while COSRX The Vitamin C 23 Serum targets Hyperpigmentation and Dull. Ingredient wise, Anua Azelaic Acid 10 Hyaluron Redness Soothing Serum leads with Azelaic Acid and Hyaluronic Acid; COSRX The Vitamin C 23 Serum uses Vitamin C (L-AA) and Hyaluronic Acid.
Can I use Anua Azelaic Acid 10 Hyaluron Redness Soothing Serum and COSRX The Vitamin C 23 Serum together?
They serve the same routine step, so pick one at a time rather than layering.
Do Anua Azelaic Acid 10 Hyaluron Redness Soothing Serum and COSRX The Vitamin C 23 Serum share ingredients?
Both feature Hyaluronic Acid. The rest of the formulas differ, which is where the choice usually comes down to.
Read the full reviews
Anua Azelaic Acid 10 Hyaluron Redness Soothing Serum
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