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COSRX · Toners

AHA/BHA Clarifying Toner

$21·150 ml·Leave-on
94
Low concern

Why this score

Concern55 / 55
  • No ingredients carry meaningful, evidence-backed concern.

How much genuine, cited concern the ingredients carry, weighted by how much of each is likely present and whether the product stays on or rinses off.

Transparency20 / 20
  • No hidden fragrance blend.

Whether the full ingredient list, and any fragrance, are actually disclosed.

Formulation restraint19 / 25
  • 1 known irritant or fragrance-allergen ingredient: Salicylic Acid.

Needless irritant or allergen load for the product type. A clean, purposeful formula scores well without any "free-from" theater.

Reviewed by PlainBody Editorial · Updated July 2026

What’s inside

WaterGenerally safe

The base most products are built on. It carries the other ingredients and has no safety concern.

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Butylene GlycolCommonly feared, low concern

A lightweight humectant and solvent similar in role to propylene glycol, used to carry actives and give lotions a lighter feel. CIR has reviewed it and considers it safe as used in cosmetics.

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BetaineGenerally safe

A humectant naturally derived from sugar beets that helps skin draw in and hold water; it has a long history of safe use with no meaningful irritation or sensitization concerns.

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Salicylic AcidGenerally safe

A beta hydroxy acid used to smooth texture and clear pores. Safe at cosmetic levels; can be mildly irritating if overused.

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Below the 1% line

PanthenolGenerally safe

A soothing humectant that helps skin and hair look conditioned. Very well tolerated.

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AllantoinGenerally safe

A soothing, skin-conditioning compound (also found in comfrey root) commonly added to calm and hydrate irritated or sensitive skin. It has a long history of safe use with very low irritation potential.

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Lower-concern alternatives

Same category, higher PlainScore.

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Cosmetic information for general education, not medical advice. Concern ratings are evidence-graded and cited on each ingredient page. See how we score.