Compare Products: 10% Niacinamide Booster vs Niacinamide Oil Control Serum

Paula's Choice

10% Niacinamide Booster

Mid-range10%
$44 / 20ml — $2.20/ml
The Inkey List

Niacinamide Oil Control Serum

Budget10%
$10.5 / 30ml — $0.35/ml

Ingredient Analysis

Paula's Choice 10% Niacinamide Booster is a more active-focused serum with brightening and antioxidant ingredients. The Inkey List Niacinamide Oil Control Serum leans toward barrier support and microbiome-friendly hydration. The better pick depends on whether you want targeted treatment or gentle nourishment.

Depends on skin goals: brightening and antioxidant treatment vs. barrier repair and hydration
How they differ
Brightening and antioxidant activesPaula's Choice

Paula's Choice 10% Niacinamide Booster contains ascorbyl glucoside, acetyl glucosamine, EGCG, genistein, and licorice derivatives. The Inkey List Niacinamide Oil Control Serum has no dedicated brightening actives.

Barrier and lipid supportThe Inkey List

The Inkey List Niacinamide Oil Control Serum stacks squalane, soybean oil, soybean sterols, phospholipids, and glycolipids. This lipid-rich profile more directly repairs the skin barrier.

Hydration depthEven

Both contain hyaluronate or hyaluronic acid, glycerin, panthenol, and allantoin. Neither has a meaningful edge here.

Irritation riskThe Inkey List

Paula's Choice 10% Niacinamide Booster adds citric acid and ascorbyl glucoside which may lower pH and cause sensitivity. The Inkey List Niacinamide Oil Control Serum has a simpler, milder active profile.

Microbiome and skin ecologyThe Inkey List

The radish root ferment filtrate in The Inkey List Niacinamide Oil Control Serum acts as a natural antimicrobial and may support a balanced skin microbiome. Paula's Choice 10% Niacinamide Booster has no equivalent.

What the label does not tell us
  • •Niacinamide concentration is undisclosed in both products; efficacy varies significantly with percentage.
  • •Ascorbyl glucoside in Paula's Choice 10% Niacinamide Booster requires enzymatic conversion to active vitamin C; conversion rate on skin is not fully established.
  • •The position of Hyaluronic Acid near the end of The Inkey List Niacinamide Oil Control Serum's list suggests a low concentration.
  • •Exact pH of Paula's Choice 10% Niacinamide Booster is unknown; stability of ascorbyl glucoside depends on pH being below 7.
  • •Genistein has estrogen receptor affinity; significance of topical application is debated and not clinically confirmed.
  • •Leuconostoc/Radish Root Ferment Filtrate is primarily used as a preservative booster; microbiome claims are not strongly validated.

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
  • Enlarged pores and uneven texture
  • Uneven skin tone and dullness
  • Post-acne marks and discoloration
  • Fine lines and early aging concerns
The Inkey List
  • Oily and combination skin seeking oil control
  • Acne-prone skin wanting to reduce blemishes
  • Enlarged pores and uneven texture
  • Those sensitive to zinc who want a niacinamide serum
  • Niacinamide beginners looking for a gentle entry point

Key Ingredients

Paula's Choice

Niacinamide (10%), Ascorbyl Glucoside (Vitamin C), Licorice Root Extract

The Inkey List

Niacinamide (10%), Hyaluronic Acid (1%)

Product Composition

44% similarity (16 ingredients in common)

Shared Ingredients
water (aqua)niacinamidebutylene glycolphospholipidssodium hyaluronateallantoinglycerinpanthenolcitric acidsodium citratesodium hydroxidexanthan gumethylhexylglycerinpolysorbate 20trisodium ethylenediamine disuccinatephenoxyethanol
Only in Paula's Choice (11)▾
acetyl glucosamineascorbyl glucosideboerhavia diffusa root extractdipotassium glycyrrhizateglycyrrhiza glabra (licorice) root extractepigallocatechin gallatebeta-glucancarnosinegenisteinpentylene glycolcaprylyl glycol
Only in The Inkey List (9)▾
propanediolhydroxyethylcellulosesqualaneglycine soja (soybean) oilglycolipidsleuconostoc/radish root ferment filtratesorbitan isostearateglycine soja (soybean) sterolshyaluronic acid

User Feedback Patterns

Paula's Choice
Texture takes adjustment

The watery, almost runny texture surprises some users. It can feel like it's not "doing" anything. The brand intends for it to be mixed with other products, which helps with application.

Price comparison to The Ordinary

At roughly 7x the price of The Ordinary's niacinamide serum, value is a common discussion point. Users who prefer it cite the more elegant texture, additional beneficial ingredients, and lack of pilling.

Gradual, cumulative results

Most users report noticing effects (smoother skin, smaller-looking pores, more even tone) after several weeks of consistent use rather than immediate results.

Plays well with other products

The booster format gets consistent praise for layering easily. Users report no issues combining it with retinol, acids, or other actives.

The Inkey List
No pilling

Multiple users note this formula does not ball up under other products or makeup, unlike some competing niacinamide serums.

More hydrating than expected

Users with dry or combination skin report this feels more hydrating than pure niacinamide serums with zinc, likely due to the squalane, HA, and lack of zinc.

Packaging frustrations

The squeeze bottle with press-down cap makes it difficult to control how much product dispenses. Some users report buildup around the opening.

Visible pore improvement

Consistent feedback about reduced pore appearance within 2-4 weeks of daily use.

Which Should You Buy?

The Inkey List Niacinamide Oil Control Serum offers great value at a lower price point. Paula's Choice 10% Niacinamide Booster may be worth the premium if you want Niacinamide (10%).

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