Comparison
Anua Azelaic Acid 10 Hyaluron Redness Soothing Serum vs numbuzin No.5+ Glutathione TXA Advanced Dark Spot Ampoule Concentrate
Two serums that compete for the same routine slot. Below is the honest side by side: what makes each one different, who each one is best for, and how real users rate them.

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.

numbuzin
No.5+ Glutathione TXA Advanced Dark Spot Ampoule ConcentrateA small, concentrated No.5+ ampoule that pairs glutathione with tranexamic acid and niacinamide for targeted care of dark spots and dull, uneven tone.
Choose Azelaic Acid 10 Hyaluron Redness Soothing Serum if
- Your main concern is Redness or Blemishes.
- You have Sensitive skin.
- You want Azelaic Acid, Hyaluronic Acid, Panthenol in the formula.
Choose No.5+ Glutathione TXA Advanced Dark Spot Ampoule Concentrate if
- Your main concern is Hyperpigmentation or Uneven Tone.
- You have Dry skin.
- You want Glutathione, Tranexamic Acid, Niacinamide in the formula.
- Targets dark spots with tranexamic acid and niacinamide
At a glance
- Sensitive
- Combination
- Oily
- Normal
- Normal
- Combination
- Oily
- Dry
- Redness
- Blemishes
- Uneven Tone
- Texture
- Hyperpigmentation
- Uneven Tone
- Dull
- Azelaic Acid
- Hyaluronic Acid
- Panthenol
- Glutathione
- Tranexamic Acid
- Niacinamide
- Targets dark spots with tranexamic acid and niacinamide
- Small concentrated format for spot or full face use
- Gentler alternative to strong pure vitamin C
- Small 10,7 g size runs out fast
- Tone results take several weeks of daily use and SPF
Ingredient interactions
No flagged interactions between the key ingredients in these two products. You can layer them at different routine steps without a known conflict.
FAQ
What is the main difference between Anua Azelaic Acid 10 Hyaluron Redness Soothing Serum and numbuzin No.5+ Glutathione TXA Advanced Dark Spot Ampoule Concentrate?
Both are serums. Anua Azelaic Acid 10 Hyaluron Redness Soothing Serum focuses on Redness and Blemishes, while numbuzin No.5+ Glutathione TXA Advanced Dark Spot Ampoule Concentrate targets Hyperpigmentation and Uneven Tone. Ingredient wise, Anua Azelaic Acid 10 Hyaluron Redness Soothing Serum leads with Azelaic Acid and Hyaluronic Acid; numbuzin No.5+ Glutathione TXA Advanced Dark Spot Ampoule Concentrate uses Glutathione and Tranexamic Acid.
Can I use Anua Azelaic Acid 10 Hyaluron Redness Soothing Serum and numbuzin No.5+ Glutathione TXA Advanced Dark Spot Ampoule Concentrate together?
They serve the same routine step, so pick one at a time rather than layering.