Compare Products: Niacinamide Serum 12% Plus Zinc 2% vs C.E.O. 15% Vitamin C Brightening Serum

Who It's Designed For

Naturium
  • Oily and combination skin seeking sebum control
  • Uneven skin tone and dark spots
  • Fine lines and early signs of aging
  • Enlarged pores and textured skin
  • Those who want higher niacinamide concentration than standard 10%
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

Naturium

Niacinamide (12%), Zinc PCA (2%)

Sunday Riley

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

Product Composition

17% similarity (6 ingredients in common)

Shared Ingredients
waterglycerinsodium hyaluronatecaprylyl glycolphenoxyethanolglyceryl polyacrylate
Only in Naturium (10)
niacinamidepropanediolzinc pcapolyacrylate crosspolymer-11dimethiconexanthan gumpotassium sorbatetocopheryl acetatehexylene glycolcitric acid
Only in Sunday Riley (19)
tetrahexyldecyl ascorbatesqualanepeg-8 beeswaxlimonenecitrus sinensis (sweet orange) oilcitrus tangerina peel oilglycine soja sterolsppg-12/smdi copolymerhydrogenated polydeceneacetamidoethoxyethanoljojoba esterstocopherolglycolic acidcitrus aurantium dulcis (sweet orange) oilchlorphenesincera albaisosqualanec30 hydrocarbonssaccharide isomerate

User Feedback Patterns

Naturium
Higher quality than The Ordinary

Users who have tried both brands frequently note Naturium feels 'better quality' with faster absorption and less pilling, though acknowledging The Ordinary costs less.

Effective but requires patience

Most users report visible improvement in skin texture and oil control within 2-4 weeks, with more significant changes at the 6-8 week mark.

Minimal scent issue

Some users note a subtle odd scent, though it dissipates quickly after application. Generally not a dealbreaker.

Layers well

Consistent praise for how this serum absorbs and layers under other products without pilling or feeling heavy.

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?

Naturium Niacinamide Serum 12% Plus Zinc 2% 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).

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