Side-by-side comparison

Haruharu Wonder Black Rice Hyaluronic Serum vs The Inkey List Niacinamide Serum

Both are serums built on the same key active: Niacinamide. That makes them genuine alternatives, so price, texture and the supporting ingredients decide it.

2Shared hero actives
Haruharu Wonder
Black Rice Hyaluronic Serum
SerumBudgetMorning or evening
DullnessDrynessDamaged Barrier

Fermented black rice extract with niacinamide and hyaluronic acid. Antioxidant-leaning hydrator rather than a targeted active — a good 'daily vegetable' layer under stronger serums.

Full analysis →Find dupes →
The Inkey List
Niacinamide Serum
SerumBudgetMorning or evening
OilinessCongestionDark Spots

A 10% niacinamide serum with added hyaluronic acid for oil control and blemish support. A clean, affordable single-active option; broadly comparable to other 10% niacinamide serums with a slightly more hydrating base.

Full analysis →Find dupes →
The verdict

Which should you choose?

Both formulas lean on Niacinamide, so for the ingredient doing the work they're close alternatives. Haruharu Wonder Black Rice Hyaluronic Serum is the better fit for dullness, dryness and a damaged barrier; The Inkey List Niacinamide Serum for oiliness, congestion and dark spots. Both sit in the Budget price tier.

The overlap

What they share

These hero actives appear in both formulas:

NiacinamideHyaluronic Acid
The formulation

Ingredient stacks, side by side

Haruharu Wonder Black Rice Hyaluronic Serum — top of the list

  • Oryza Sativa (…~50–80%
  • Water~5–25%
  • Butylene Glycol~3–10%
  • Niacinamide~2–6%
  • Bambusa Vulgar…~1.5–4%
  • Dipropylene Gl…~1–2%
  • Glycerin~1–2%
  • 1,2-Hexanediol~1–2%
  • Sodium Hyaluro…~1–2%
  • Hyaluronic Acid~1–2%

The Inkey List Niacinamide Serum — top of the list

  • Aqua~50–80%
  • Niacinamide~5–25%
  • Glycerin~3–10%
  • Sodium Hyaluron…~2–6%
  • Pentylene Glycol~1.5–4%

● marks ingredients that appear near the top of both lists. Percentages are positional estimates from INCI order, not disclosed doses.

At a glance

The specs

Haruharu Wonder Black Rice Hyaluronic SerumThe Inkey List Niacinamide Serum
CategorySerumSerum
Price tierBudgetBudget
Best forDullness, Dryness, Damaged BarrierOiliness, Congestion, Dark Spots
Usage notesMorning or eveningMorning or evening
Shared hero activesNiacinamide and Hyaluronic Acid
Questions

Common questions

Is the Haruharu Wonder Black Rice Hyaluronic Serum or The Inkey List Niacinamide Serum better?
Neither is clearly better on ingredients, since both rely on Niacinamide. Choose on price, texture and how your skin responds to the rest of the formula.
What's the difference between the Haruharu Wonder Black Rice Hyaluronic Serum and The Inkey List Niacinamide Serum?
Haruharu Wonder Black Rice Hyaluronic Serum's hero actives are Niacinamide and Hyaluronic Acid. The Inkey List Niacinamide Serum's are Niacinamide and Hyaluronic Acid.
Are the Haruharu Wonder Black Rice Hyaluronic Serum and The Inkey List Niacinamide Serum dupes for each other?
Yes, on the ingredient that matters. Both are built around Niacinamide, though concentrations, texture and the supporting ingredients can still differ.
Can I use the Haruharu Wonder Black Rice Hyaluronic Serum and The Inkey List Niacinamide Serum together?
Usually, yes. Apply the thinner texture first, then the thicker one, and patch-test when introducing anything new.
Keep comparing

Related comparisons

Glow Recipe Watermelon Glow Niacinamide Dew Drops vs Haruharu Wonder Black Rice Hyaluronic Serum
2 shared hero activesAnua Niacinamide 10% + TXA 4% Serum vs Haruharu Wonder Black Rice Hyaluronic Serum
2 shared hero activesGlow Recipe Plum Plump Hyaluronic Acid Serum vs Haruharu Wonder Black Rice Hyaluronic Serum
2 shared hero activesHaruharu Wonder Black Rice Hyaluronic Serum vs Torriden DIVE-IN Low Molecular Hyaluronic Acid Serum
2 shared hero activesHaruharu Wonder Black Rice Hyaluronic Serum vs Vichy Mineral 89 Probiotic Fractions Serum
2 shared hero activesBeauty of Joseon Glow Serum : Propolis + Niacinamide vs Haruharu Wonder Black Rice Hyaluronic Serum
1 shared hero active

Want a deeper, personalised read? Drop both products into the live comparison tool for an ingredient-by-ingredient breakdown tuned to your skin profile.

Compare these yourself →