Effaclar Salicylic Acid Acne Treatment Serum
The oil-soluble acid that goes deep into pores to dissolve congestion. Near the top of the list — present at a meaningful level. Research supports 0.5–2%.
The smallest AHA with the deepest penetration for serious resurfacing. Near the top of the list — present at a meaningful level. Research supports 5–10%.
The multi-tasking B3 vitamin that does almost everything right. Near the top of the list — present at a meaningful level. Research supports 2–5% for barrier support, 5–10% for oil control.
After toning, before moisturiser.
Using them in the same routine is usually fine — it's applying them together, in one layer, that causes the problem. Check against your own routine →
We recognised 12 of 20 ingredients, including the ones near the top of the list where concentration is highest. Ingredient list taken from the brand's own product page and checked on 2026-09-04. Formulations change — check the pack if it matters.
See all 20 ingredients (12 recognised)
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