Compare Products: Clinical Niacinamide 20% Treatment vs SuperSolutions 20% Niacinamide Serum

Paula's Choice

Clinical Niacinamide 20% Treatment

Mid-range20%
$55 / 20ml — $2.75/ml
The Inkey List

SuperSolutions 20% Niacinamide Serum

Budget20%
$17.99 / 30ml — $0.60/ml

Ingredient Analysis

Both serums lead with niacinamide for brightening and barrier support. Paula's Choice Clinical Niacinamide 20% Treatment layers in more actives targeting pigmentation and antioxidant defense. The Inkey List SuperSolutions 20% Niacinamide Serum is simpler, adding zinc PCA for sebum control and squalane for lipid replenishment.

Depends on skin concern: pigmentation and antioxidant load vs. oily or acne-prone skin needing sebum regulation
How they differ
Brightening and pigmentation targetingPaula's Choice

Paula's Choice Clinical Niacinamide 20% Treatment combines niacinamide, ascorbyl glucoside, acetyl glucosamine, and licorice extract for a multi-angle approach to pigmentation. The Inkey List SuperSolutions 20% Niacinamide Serum relies on niacinamide alone for this goal.

Antioxidant defensePaula's Choice

Paula's Choice Clinical Niacinamide 20% Treatment contains EGCG, green tea extract, purslane, meadowsweet, and a vitamin C derivative. The Inkey List SuperSolutions 20% Niacinamide Serum has no meaningful antioxidant layer.

Sebum controlThe Inkey List

Zinc PCA directly regulates oil production. Paula's Choice Clinical Niacinamide 20% Treatment has no dedicated sebum-regulating ingredient.

Hydration and emolliencyThe Inkey List

Squalane gives The Inkey List SuperSolutions 20% Niacinamide Serum light but effective lipid-based moisturization. Paula's Choice Clinical Niacinamide 20% Treatment hydrates mainly through humectants.

Irritation riskPaula's Choice

Paula's Choice Clinical Niacinamide 20% Treatment uses phenoxyethanol and ethylhexylglycerin only. The Inkey List SuperSolutions 20% Niacinamide Serum adds benzyl alcohol and dehydroacetic acid, increasing the preservative load for sensitive skin.

What the label does not tell us
  • •Niacinamide concentration is undisclosed in both products; efficacy depends heavily on percentage, typically 2-10% in research.
  • •Ascorbyl glucoside stability and conversion rate to active vitamin C varies by formulation pH and storage conditions.
  • •Zinc PCA position in The Inkey List SuperSolutions 20% Niacinamide Serum suggests a low concentration; sebum-control effect may be modest.
  • •Both products use synthetic polymers or gums for texture; these affect skin feel but not biological activity.
  • •No SPF is present in either product; ascorbyl glucoside benefits require paired sun protection to be meaningful.

Analysis generated from both INCI lists using Claude. Ingredient order indicates relative concentration; exact percentages are usually undisclosed.

Who It's Designed For

Paula's Choice
  • Stubborn enlarged or sagging pores that haven't responded to 10% niacinamide
  • Orange-peel texture and rough, bumpy skin
  • Sebaceous hyperplasia
  • Advanced pore concerns related to aging or sun damage
  • Post-acne marks and uneven texture
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)

Key Ingredients

Paula's Choice

Niacinamide (20%), Ascorbyl Glucoside (Vitamin C), Meadowsweet Extract

The Inkey List

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

Product Composition

22% similarity (7 ingredients in common)

Shared Ingredients
water (aqua)niacinamidebutylene glycolglycerinsodium phytatephenoxyethanolethylhexylglycerin
Only in Paula's Choice (18)▾
pentylene glycolacetyl glucosamineascorbyl glucosideglycyrrhiza glabra (licorice) root extractspiraea ulmaria (meadowsweet) extractportulaca oleracea (purslane) extractcamellia japonica flower extractepigallocatechin gallateboerhavia diffusa root extractcamellia sinensis (green tea) leaf extractallantoinlecithinpullulanpanthenolsilicaxanthan gumsclerotium gumpropanediol
Only in The Inkey List (7)▾
squalanebenzyl alcoholammonium acryloyldimethyltaurate/vp copolymerzinc pcapolysorbate 60dehydroacetic acidsorbitan isostearate

User Feedback Patterns

Paula's Choice
More effective than 10% for stubborn concerns

Users who found the 10% booster insufficient often report better results with this formula, particularly for aging-related pore concerns and textural issues.

Texture and feel

The gel texture feels slightly oily to some users before it dries down. Some report a tacky feel or that it takes time to absorb. Most find it works well under moisturizer.

Potential irritation at high concentration

Some users report sensitivity, flushing, or irritation — especially if used daily from the start. Several reviewers recommend using every other day initially or finding 10% sufficient.

Gradual, cumulative results

Like the 10% booster, results are typically seen over weeks of consistent use rather than immediately. Some users report noticeable improvement within 1-2 weeks; others need longer.

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.

Which Should You Buy?

The Inkey List SuperSolutions 20% Niacinamide Serum offers great value at a lower price point. Paula's Choice Clinical Niacinamide 20% Treatment may be worth the premium if you want Niacinamide (20%).

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