Compare Products: Niacinamide Brightening Toner vs C.E.O. 15% Vitamin C Brightening Serum

Who It's Designed For

Good Molecules
  • Those seeking gentle brightening without high-concentration actives
  • Users who want multiple brightening ingredients working together
  • Sensitive skin types who cannot tolerate 10% niacinamide
  • People targeting hyperpigmentation, dullness, and uneven tone
  • Those who prefer toner format over serum
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

Good Molecules

Niacinamide (3%), Arbutin (2%), Licorice Root Extract, Ethyl Ascorbic Acid

Sunday Riley

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

Product Composition

16% similarity (6 ingredients in common)

Shared Ingredients
water (83.2%)glycerin (6.7%)1ethylhexylglycerin (0.1%)trisodium ethylenediamine disuccinate (0.02%)sodium hyaluronate
Only in Good Molecules (11)
niacinamide (3.0%)2-hexanediol (2.2%)arbutin (2.0%)propanediol (2.0%)betaine (0.5%)glycyrrhiza glabra (licorice) root extract (0.1%)3-o-ethyl ascorbic acid (0.1%)carbomer (0.06%)tromethamine (0.04%)theobroma cacao (cocoa) seed extractdextrin
Only in Sunday Riley (21)
tetrahexyldecyl ascorbatesqualanepolyglyceryl-6 distearatepeg-8 beeswaxlimonenecitrus sinensis (sweet orange) oilcitrus tangerina peel oilglycine soja sterolshydrogenated polydecenephenoxyethanolacetamidoethoxyethanoljojoba esterstocopherolglycolic acidcaprylyl glycolcitrus aurantium dulcis (sweet orange) oilchlorphenesincera albaisosqualanec30 hydrocarbonssaccharide isomerate

User Feedback Patterns

Good Molecules
Gentle and effective for sensitive skin

Users with sensitive skin report good tolerance. The lower niacinamide concentration avoids irritation common with 10% formulas.

Improved skin brightness

Many users report brighter, more even-looking skin after consistent use. Results typically noted after 4-8 weeks.

Texture improvement

Users note smoother skin texture and smaller-looking pores with regular use.

Not hydrating enough for dry skin

Some users with dry skin find the toner is not moisturizing enough on its own and needs to be followed by additional hydration.

Slight tackiness

Some users note a slight tacky feeling after application, though this absorbs with time.

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?

Good Molecules Niacinamide Brightening Toner 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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