Compare Products: Azelaic Acid 10 Serum vs Vitamin C Suspension 23% + HA Spheres 2%
Who It's Designed For
- Those dealing with redness or rosacea-prone skin
- Users targeting post-inflammatory hyperpigmentation
- Acne-prone skin seeking antibacterial and anti-inflammatory benefits
- People looking for a non-irritating alternative to AHA/BHA exfoliation
- Those with fungal acne (formula is fungal acne safe)
- Users wanting azelaic acid with added barrier support
- Experienced vitamin C users who want maximum potency at minimum cost
- Those who have built tolerance to lower vitamin C concentrations
- Users willing to work with a challenging texture for strong active delivery
- Budget-conscious shoppers seeking L-ascorbic acid at 23%
- People who use vitamin C as a nighttime treatment
Key Ingredients
10% Azelaic Acid, Niacinamide, Panthenol, Allantoin
23% L-Ascorbic Acid, 2% Sodium Hyaluronate (HA Spheres), Squalane
Product Composition
16% similarity (7 ingredients in common)
Only in Anua (26)▾
Only in The Ordinary (11)▾
User Feedback Patterns
Users with rosacea-prone skin report visible redness reduction within 2-4 weeks. This is the most consistently praised benefit.
Multiple reviewers compare this favorably to The Ordinary's gritty suspension texture. The gel-cream formula absorbs smoothly.
Many users report mild tingling or stinging during the first 1-2 weeks. This typically subsides as skin adjusts. The penetration enhancer likely contributes to this sensation.
Users targeting dark spots note gradual improvement over 4-8 weeks. Results are described as steady rather than dramatic.
Nearly all first-time users report significant stinging and tingling. This subsides for most within 1-2 weeks of regular use as skin builds tolerance.
Layering anything over this product commonly causes pilling. Users have found that applying it as the last step at night or mixing with a drop of oil reduces this issue.
Users who tolerate the texture report visible brightening, improved tone, and reduced dark spots. The $8 price point makes it a cult favorite despite the application challenges.
Due to texture and pilling issues, most users reserve this for nighttime use. It does not layer well under sunscreen or makeup.
Which Should You Buy?
The Ordinary Vitamin C Suspension 23% + HA Spheres 2% offers great value at a lower price point. Anua Azelaic Acid 10 Serum may be worth the premium if you want 10% Azelaic Acid.