Compare Products: SuperSolutions 20% Niacinamide Serum vs Super C Serum

The Inkey List

SuperSolutions 20% Niacinamide Serum

Budget20%
$17.99 / 30ml — $0.60/ml
Vibriance

Super C Serum

Premium
$47 / 30ml — $1.57/ml

Who It's Designed For

The Inkey List
  • Very oily skin seeking maximum oil control
  • Stubborn enlarged pores unresponsive to lower niacinamide concentrations
  • Users who have tolerated 10-15% niacinamide and want to increase strength
  • Budget-conscious users wanting clinical-strength actives
  • Those seeking exfoliating effects (20% niacinamide has mild exfoliating properties)
Vibriance
  • Mature skin (50+) seeking a gentle vitamin C option
  • Those who find L-ascorbic acid serums too irritating
  • Users targeting age spots and uneven skin tone
  • People who prefer a silicone-based, fast-absorbing texture
  • Those who want a multi-ingredient brightening approach rather than high-dose vitamin C

Key Ingredients

The Inkey List

Niacinamide (20%), Zinc PCA (0.5%), Squalane (3%)

Vibriance

3-O-Ethyl Ascorbic Acid (2%), Sodium Hyaluronate, Hexylresorcinol, Acetyl Glucosamine, Panthenol, Tocopheryl Acetate

Product Composition

18% similarity (7 ingredients in common)

Shared Ingredients
butylene glycolhydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymerglycerinphenoxyethanolpolysorbate 60ethylhexylglycerintrisodium ethylenediamine disuccinate
Only in The Inkey List (8)
aqua (water)niacinamidesqualanebenzyl alcoholammonium acryloyldimethyltaurate/vp copolymerzinc pcadehydroacetic acidsorbitan isostearate
Only in Vibriance (24)
citrus medica limonum (lemon fruit water)cyclopentasiloxanedimethiconepeg-8isododecanepolysilicone-113-o-ethyl ascorbic acidglucomannancitrus aurantium dulcis (orange peel oil)hexylresorcinolacetyl glucosamineallantoinpanthenoltocopheryl acetatecaffeinedecyl glucosidecoco-caprylate/capratepolyacrylate-13polyisobutenetrihydroxystearinacrylates/c10-30 alkyl acrylate crosspolymerppg-12/smdi copolymerdisodium edtatriethanolamine

User Feedback Patterns

The Inkey List
Serious oil control

Users with very oily skin consistently report this as one of the most effective oil-control products they have tried. Many note all-day mattifying effect.

Strong but not irritating

Despite the 20% concentration, most users report no irritation. However, patch testing is frequently mentioned as important for first-time users.

Better than The Ordinary

Users who found The Ordinary's 10% niacinamide too weak or pilling-prone often prefer this. The gel texture absorbs cleanly.

Can leave white cast if overused

Some users report a white film if they apply too much. The brand addresses this: use less product and follow immediately with moisturizer.

Vibriance
Texture is widely praised

Users consistently highlight the lightweight, non-sticky feel. The silicone base absorbs quickly and works well under makeup. This is the most consistently positive aspect across reviews.

Dark spot results vary

Some users report fading of dark spots after 4-8 weeks of use. Others report no visible improvement after months. Expectations set by the brand's marketing may exceed what a 2% vitamin C derivative can deliver.

Anti-wrinkle claims questioned

Multiple long-term users report no wrinkle reduction. The formula does not contain retinoids, peptides, or other ingredients with strong evidence for wrinkle improvement. Hydration from hyaluronic acid may temporarily plump fine lines.

Popular with 50+ demographic

The brand specifically targets women over 50 and this demographic represents the core user base. Reviews from this group are generally more positive, noting the serum as gentle and pleasant to use daily.

Which Should You Buy?

The Inkey List SuperSolutions 20% Niacinamide Serum offers great value at a lower price point. Vibriance Super C Serum may be worth the premium if you want 3-O-Ethyl Ascorbic Acid (2%).

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