Side-by-side comparison

Haruharu Wonder Black Rice Hyaluronic Serum vs Paula's Choice 10% Niacinamide Booster

Both serums contain Niacinamide, but each adds something the other doesn't. Here's where they overlap and where they split.

1Shared hero active
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 →
Paula's Choice
10% Niacinamide Booster
SerumPremiumMorning or evening
Dark SpotsOilinessRedness

A lightweight 10% niacinamide booster with allantoin, licorice root and antioxidants. Designed to layer under your regular serum — a fractional dose for users who don't want a full niacinamide routine but want the pigmentation and oil-control benefits.

Full analysis →Find dupes →
The verdict

Which should you choose?

Both contain Niacinamide. Paula's Choice 10% Niacinamide Booster adds Licorice Root Extract. Pick the one whose extra matches what you're treating. Haruharu Wonder Black Rice Hyaluronic Serum is the better fit for dullness, dryness and a damaged barrier; Paula's Choice 10% Niacinamide Booster for dark spots, oiliness and redness. On price, Haruharu Wonder Black Rice Hyaluronic Serum is the less expensive option (Budget versus Premium).

The overlap

What they share

This hero active appears in both formulas:

Niacinamide
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%

Paula's Choice 10% Niacinamide Booster — top of the list

  • Water~50–80%
  • Niacinamide10%
  • Acetyl Glucosa…~3–10%
  • Phospholipids~2–6%
  • Sodium Hyaluro…~1.5–4%
  • Glycerin~1–2%
  • Butylene Glycol~1–2%

● 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 SerumPaula's Choice 10% Niacinamide Booster
CategorySerumSerum
Price tierBudgetPremium
Best forDullness, Dryness, Damaged BarrierDark Spots, Oiliness, Redness
Usage notesMorning or eveningMorning or evening
Shared hero activesNiacinamide
Questions

Common questions

Is the Haruharu Wonder Black Rice Hyaluronic Serum or the Paula's Choice 10% Niacinamide Booster better?
It depends on what you're treating. Both contain Niacinamide; Paula's Choice 10% Niacinamide Booster adds Licorice Root Extract.
What's the difference between the Haruharu Wonder Black Rice Hyaluronic Serum and the Paula's Choice 10% Niacinamide Booster?
Haruharu Wonder Black Rice Hyaluronic Serum's hero actives are Niacinamide and Hyaluronic Acid. Paula's Choice 10% Niacinamide Booster's are Niacinamide and Licorice Root Extract. They also sit in different price tiers (Budget versus Premium).
Are the Haruharu Wonder Black Rice Hyaluronic Serum and Paula's Choice 10% Niacinamide Booster dupes for each other?
Partly. They share Niacinamide, but Paula's Choice 10% Niacinamide Booster's Licorice Root Extract isn't in the other, so they aren't full substitutes.
Can I use the Haruharu Wonder Black Rice Hyaluronic Serum and Paula's Choice 10% Niacinamide Booster 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 activesHaruharu Wonder Black Rice Hyaluronic Serum vs The Inkey List Niacinamide 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 actives

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 →