Side-by-side comparison

La Roche-Posay Mela B3 Dark Spot Serum vs The Ordinary Pycnogenol 5%

Both are serums. They share a 66% active-ingredient overlap, so the real decision is about price, texture and the supporting ingredients. Here's the side-by-side.

66%Active overlap
La Roche-Posay
Mela B3 Dark Spot Serum
SerumPremiumMorning or evening
Dark SpotsPost-Acne MarksDullness

A pigment-targeting serum built on Melasyl plus 10% niacinamide for stubborn dark spots and post-acne marks. A clinical-leaning brightening serum; results on melasma and PIH build slowly over weeks with diligent SPF.

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The Ordinary
Pycnogenol 5%
SerumMid-rangeMorning or evening
Photoaging PreventionDullnessRedness

A 5% pine-bark antioxidant (pycnogenol) serum in a lightweight base, for environmental defence. A niche but potent antioxidant; pleasant layered under SPF in the morning, with a faint natural tint to the formula.

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The verdict

Which should you choose?

On price, the The Ordinary Pycnogenol 5% sits in the Mid-range tier versus Premium for the La Roche-Posay — so it's the more budget-led pick if the overlap is what you're after. The La Roche-Posay leans toward Dark Spots, Post-Acne Marks. The The Ordinary leans toward Photoaging Prevention, Redness.

The overlap

What they share

At 66% active overlap, these are the ingredients doing comparable work in both formulas:

Glycerin
The formulation

Ingredient stacks, side by side

La Roche-Posay — top of the list

  • Aqua~50–80%
  • Glycerin~5–25%
  • Niacinamide~3–10%
  • Melasyl~2–6%
  • Dimethicone~1.5–4%

The Ordinary — top of the list

  • Caprylic/Capric…~30–70%
  • Aqua~5–25%
  • Glycerin~3–10%
  • Pinus Pinaster …~2–6%
  • Propanediol~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

La Roche-PosayThe Ordinary
CategorySerumSerum
Price tierPremiumMid-range
Best forDark Spots, Post-Acne Marks, DullnessPhotoaging Prevention, Dullness, Redness
Usage notesMorning or eveningMorning or evening
Active overlap66% — Glycerin
Questions

Common questions

Is the La Roche-Posay Mela B3 Dark Spot Serum or the The Ordinary Pycnogenol 5% better?
Neither is universally better — they share 66% active-ingredient overlap, so for the actives that drive results they're close. The The Ordinary Pycnogenol 5% is the more budget-friendly option, while the other may differ on texture, finish and supporting ingredients. Pick based on your skin's priorities rather than a single 'winner'.
What's the difference between the La Roche-Posay Mela B3 Dark Spot Serum and the The Ordinary Pycnogenol 5%?
Both are serums that share Glycerin. Where they differ: they sit in different price tiers (Premium vs Mid-range); the La Roche-Posay targets Dark Spots, Post-Acne Marks; the The Ordinary targets Photoaging Prevention, Redness.
Are the La Roche-Posay Mela B3 Dark Spot Serum and The Ordinary Pycnogenol 5% dupes for each other?
They share 66% active-ingredient overlap based on published INCI lists, so one can stand in for the other on the actives that matter — chiefly Glycerin. A dupe matches the hero actives, not the full sensory experience, so expect differences in texture, fragrance and exact concentrations.
Can I use the La Roche-Posay Mela B3 Dark Spot Serum and The Ordinary Pycnogenol 5% together?
They both fill the serum slot in a routine, so you'd normally pick one rather than layer both. If you want to use both, treat one as your daytime option and the other for evening, and patch-test when introducing anything new.
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66% overlap

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