Compare Products: Azelaic Acid 10 Serum vs C.E.O. 15% Vitamin C Brightening Serum

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
Sunday Riley
  • Those who want a stable vitamin C that will not oxidize or change color
  • Users who find L-ascorbic acid serums too irritating or acidic
  • People who enjoy a citrus-scented skincare experience
  • Those seeking a vitamin C serum that does not require refrigeration
  • Users looking for a luxurious texture that layers well under makeup

Key Ingredients

Anua

10% Azelaic Acid, Niacinamide, Panthenol, Allantoin

Sunday Riley

15% Tetrahexyldecyl Ascorbate (THD Ascorbate), Squalane, Glycolic Acid, Tocopherol (Vitamin E), Saccharide Isomerate

Product Composition

29% similarity (14 ingredients in common)

Shared Ingredients
waterglycerin1dimethyl isosorbidehydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymersodium hyaluronatecaprylyl glycolethylhexylglycerindisodium edtatocopherolhydrogenated lecithinglyceryl stearateceramide npsodium lauroyl lactylate
Only in Anua (19)
azelaic acidbutylene glycolniacinamide2-hexanediolpanthenolallantoindipotassium glycyrrhizatebeta-glucanhouttuynia cordata extracttromethaminesorbitan isostearatepolysorbate 60caprylic/capric triglyceridecetearyl alcoholstearic acidcholesterolphytosphingosinecarbomerxanthan gum
Only in Sunday Riley (16)
tetrahexyldecyl ascorbatesqualanepeg-8 beeswaxlimonenecitrus sinensis (sweet orange) oilcitrus tangerina peel oilglycine soja sterolsphenoxyethanolacetamidoethoxyethanoljojoba estersglycolic acidcitrus aurantium dulcis (sweet orange) oilchlorphenesinisosqualanec30 hydrocarbonssaccharide isomerate

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.

Sunday Riley
Luxurious texture

Users consistently praise the lightweight oily texture that absorbs well and sits beautifully under makeup. The application experience is rated higher than most L-ascorbic acid serums.

Pleasant citrus scent

The orange scent is frequently mentioned as a positive. Users who enjoy scented skincare rate this highly. However, fragrance-sensitive users avoid it.

No oxidation concerns

Users appreciate that the golden color remains consistent throughout the product's life. No anxiety about darkening or wasting product due to oxidation.

Gradual brightening results

Brightening results are described as gradual but visible over 4-8 weeks. Some users expecting the immediate 'glow' of L-ascorbic acid find the results slower.

Which Should You Buy?

Anua Azelaic Acid 10 Serum offers great value at a lower price point. Sunday Riley C.E.O. 15% Vitamin C Brightening Serum may be worth the premium if you want 15% Tetrahexyldecyl Ascorbate (THD Ascorbate).

Budget Pick
Buy Anua

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