Compare Products: Niacinamide Oil Control Serum vs Vitamin C Serum for Face

The Inkey List

Niacinamide Oil Control Serum

Budget10%
$10.5 / 30ml — $0.35/ml
TruSkin

Vitamin C Serum for Face

Budget
$21 / 30ml — $0.70/ml

Who It's Designed For

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
TruSkin
  • Budget-conscious shoppers seeking an effective vitamin C serum
  • Those who prefer gentle vitamin C derivatives over L-ascorbic acid
  • Users wanting a plant-based, fragrance-free brightening serum
  • People new to vitamin C serums who want a low-risk entry point
  • Those targeting dark spots and uneven skin tone at an affordable price

Key Ingredients

The Inkey List

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

TruSkin

Sodium Ascorbyl Phosphate (Vitamin C), Botanical Hyaluronic Acid, Vitamin E (D-Alpha Tocopheryl Acetate), MSM (Methylsulfonylmethane), Aloe Barbadensis Leaf Juice

Product Composition

24% similarity (8 ingredients in common)

Shared Ingredients
water (aqua / eau)glycerinphenoxyethanolhydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymersodium phytatehyaluronic aciddisodium phosphatesodium phosphate
Only in The Inkey List (16)
niacinamidepropanediolbutylene glycolhydroxyethylcellulosephospholipidssqualanexanthan gumglycine soja (soybean) oilallantoinpolysorbate 60panthenolglycolipidsleuconostoc/radish root ferment filtratesorbitan isostearateglycine soja (soybean) sterolscitric acid
Only in TruSkin (10)
organic aloe barbadensis (aloe vera) leaf juiced-alpha tocopheryl acetate (vitamin e)carbomer(2s)-2-amino-5-guanidinopentanoic acidorganic centella asiatica (gotu kola)equisetum arvense (horsetail)taraxacum officinale (dandelion) extractgeranium maculatumjojoba oilorganic simmondsia chinensis seed oil

User Feedback Patterns

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.

TruSkin
Noticeable brightening over time

Users report gradual improvement in skin brightness and reduced appearance of dark spots over 4-8 weeks. Results are described as steady but not dramatic.

Great value for the price

The $21 price point is frequently cited as a major positive. Users feel they get good results without a premium price tag.

Slight stickiness

Some users note the serum feels slightly tacky as it dries. This resolves once moisturizer is applied on top.

Massive Amazon popularity

Many users discover this through Amazon recommendations and best-seller lists. The high review count drives purchase decisions, though review quality varies.

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