Side-by-side comparison

Paula's Choice 2% BHA Liquid Exfoliant vs The Ordinary Salicylic Acid 2% Solution

Both are exfoliants. They share a 70% active-ingredient overlap, so the real decision is about price, texture and the supporting ingredients. Here's the side-by-side.

70%Active overlap
Paula's Choice
ExfoliantPremiumEvening only
AcneRough TextureOilinessSensitive skinDamaged barrier

The reference-standard 2% salicylic acid exfoliant — formulated at the pH range where BHA actually works (3.2–4.0), with green tea for antioxidant support. Unclogs pores, softens blackheads and smooths texture. The reason so many other BHA products are compared to this one.

The Ordinary
ExfoliantBudgetEvening only
CongestionOilinessAcne

A straightforward 2% BHA in a lightweight watery base with a little witch hazel. Effective pore and blackhead exfoliation at a rock-bottom price; the simple base means less of the soothing buffer found in pricier BHAs.

The verdict

Which should you choose?

On price, the The Ordinary Salicylic Acid 2% Solution sits in the Budget tier versus Premium for the Paula's Choice — so it's the more budget-led pick if the overlap is what you're after. The Paula's Choice leans toward Rough Texture. The The Ordinary leans toward Congestion.

The overlap

What they share

At 70% active overlap, these are the ingredients doing comparable work in both formulas:

The formulation

Ingredient stacks, side by side

Paula's Choice — top of the list

  • Water~50–80%
  • Methylpropaned…~5–25%
  • Butylene Glycol~3–10%
  • Salicylic Acid2%
  • Polysorbate 20~1.5–4%
  • Camellia Oleif…~1–2%

The Ordinary — top of the list

  • Aqua~50–80%
  • Salicylic Acid~5–25%
  • Hamamelis Virgi…~3–10%
  • Propanediol~2–6%
  • Glycerin~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

Paula's ChoiceThe Ordinary
CategoryExfoliantExfoliant
Price tierPremiumBudget
Best forAcne, Rough Texture, OilinessCongestion, Oiliness, Acne
Usage notesEvening onlyEvening only
Active overlap70% — Salicylic Acid
Questions

Common questions

Is the Paula's Choice 2% BHA Liquid Exfoliant or the The Ordinary Salicylic Acid 2% Solution better?
Neither is universally better — they share 70% active-ingredient overlap, so for the actives that drive results they're close. The The Ordinary Salicylic Acid 2% Solution 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 Paula's Choice 2% BHA Liquid Exfoliant and the The Ordinary Salicylic Acid 2% Solution?
Both are exfoliants that share Salicylic Acid. Where they differ: they sit in different price tiers (Premium vs Budget); the Paula's Choice targets Rough Texture; the The Ordinary targets Congestion.
Are the Paula's Choice 2% BHA Liquid Exfoliant and The Ordinary Salicylic Acid 2% Solution dupes for each other?
They share 70% active-ingredient overlap based on published INCI lists, so one can stand in for the other on the actives that matter — chiefly Salicylic Acid. A dupe matches the hero actives, not the full sensory experience, so expect differences in texture, fragrance and exact concentrations.
Can I use the Paula's Choice 2% BHA Liquid Exfoliant and The Ordinary Salicylic Acid 2% Solution together?
They both fill the exfoliant 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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