Compare Products: SuperSolutions 20% Niacinamide Serum vs 20% Vitamin C + E Ferulic Acid Serum

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)
Timeless
  • Those seeking the CE Ferulic combination at an affordable price
  • Users comfortable with high-concentration L-ascorbic acid
  • People looking for a research-backed antioxidant serum
  • Budget-conscious shoppers who want SkinCeuticals-level actives
  • Users who prefer fragrance-free, minimalist formulas

Key Ingredients

The Inkey List

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

Timeless

20% L-Ascorbic Acid, 1% Vitamin E (Alpha Tocopherol), 1% Ferulic Acid, Sodium Hyaluronate, Panthenol

Product Composition

29% similarity (6 ingredients in common)

Shared Ingredients
aqua (water)hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymerbenzyl alcoholpolysorbate 60dehydroacetic acidtrisodium ethylenediamine disuccinate
Only in The Inkey List (9)
niacinamidebutylene glycolsqualaneglycerinphenoxyethanolammonium acryloyldimethyltaurate/vp copolymerzinc pcaethylhexylglycerinsorbitan isostearate
Only in Timeless (6)
ethoxydiglycoll-ascorbic acidpropylene glycolalpha tocopherolpanthenolferulic acid

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.

Timeless
Effective and affordable CE Ferulic

The most common praise is that it delivers results comparable to SkinCeuticals at a fraction of the cost. Users report brightening, improved tone, and visible glow within 2-4 weeks.

Reddit favorite

Consistently ranked among the top vitamin C serums on Reddit. r/SkincareAddiction and r/30PlusSkinCare frequently recommend it as the best value CE Ferulic serum.

Oxidation is the main complaint

Users report the serum darkening within 4-8 weeks, sometimes faster in warm climates. Several recommend buying smaller sizes and refrigerating immediately.

Stinging on initial use

The 20% concentration causes noticeable stinging for most users during the first 1-2 weeks. This typically subsides as skin adjusts.

Which Should You Buy?

The Inkey List SuperSolutions 20% Niacinamide Serum offers great value at a lower price point. Timeless 20% Vitamin C + E Ferulic Acid Serum may be worth the premium if you want 20% L-Ascorbic Acid.

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