Compare Products: Azelaic Acid 10 Serum vs Mela B3 Serum

Anua

Azelaic Acid 10 Serum

Mid-range
$23 / 30ml — $0.77/ml
La Roche Posay

Mela B3 Serum

Premium10%
$45 / 30ml — $1.50/ml

Who It's Designed For

Anua
  • 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
La Roche Posay
  • Those with stubborn hyperpigmentation including sunspots, age spots, and post-acne marks
  • Users seeking dermatologist-backed, clinically tested brightening products
  • People who want an alternative mechanism to vitamin C or hydroquinone
  • All skin tones; formulated to work without affecting natural skin tone
  • Sensitive skin types who need gentle but effective brightening

Key Ingredients

Anua

10% Azelaic Acid, Niacinamide, Panthenol, Allantoin

La Roche Posay

Niacinamide (10%), Melasyl (2-Mercaptonicotinoyl Glycine), Sodium Hyaluronate, LHA (Capryloyl Salicylic Acid)

Product Composition

37% similarity (18 ingredients in common)

Shared Ingredients
waterazelaic acidglycerinniacinamide1dimethyl isosorbidehydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymerdipotassium glycyrrhizatesodium hyaluronatecaprylyl glycolethylhexylglycerindisodium edtatocopherolcaprylic/capric triglyceridehydrogenated lecithinstearic acidsodium lauroyl lactylatexanthan gum
Only in Anua (15)
butylene glycol2-hexanediolpanthenolallantoinbeta-glucanhouttuynia cordata extracttromethaminesorbitan isostearatepolysorbate 60cetearyl alcoholglyceryl stearateceramide npcholesterolphytosphingosinecarbomer
Only in La Roche Posay (16)
dimethiconepropylene glycolsilicacystoseira tamariscifolia extract2-mercaptonicotinoyl glycinepeg-20 methyl glucose sesquistearatecarnosinepoloxamer 338capryloyl salicylic acidcitric acidpentylene glycoloctyldodecanolretinyl palmitatepentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamatephenoxyethanolparfum/fragrance

User Feedback Patterns

Anua
Effective for redness reduction

Users with rosacea-prone skin report visible redness reduction within 2-4 weeks. This is the most consistently praised benefit.

Elegant texture compared to competitors

Multiple reviewers compare this favorably to The Ordinary's gritty suspension texture. The gel-cream formula absorbs smoothly.

Initial tingling is common

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.

Gradual hyperpigmentation improvement

Users targeting dark spots note gradual improvement over 4-8 weeks. Results are described as steady rather than dramatic.

La Roche Posay
Effective for post-acne marks

Users frequently report fading of post-inflammatory hyperpigmentation from acne. Often noted as more effective than previous vitamin C serums.

Gentle on sensitive skin

Despite fragrance, many sensitive skin users report no irritation. Users with rosacea have noted tolerance.

Gradual results

Users report seeing changes over weeks to months. Not overnight results, but consistent improvement with regular use.

Texture praise

Lightweight serum absorbs quickly without greasiness. Layers well under sunscreen and makeup.

Mixed expectations

Some users with stubborn melasma or very dark spots report only modest improvement. Works better on newer or less severe pigmentation.

Which Should You Buy?

Anua Azelaic Acid 10 Serum offers great value at a lower price point. La Roche Posay Mela B3 Serum may be worth the premium if you want Niacinamide (10%).

Budget Pick
Buy Anua

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