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COSRX · Toners

Full Fit Propolis Synergy Toner

$20.3·280 ml·Leave-on
89
Low concern

Why this score

Concern52 / 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 restraint17 / 25
  • 1 known irritant or fragrance-allergen ingredient: Propolis Extract.

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

Scored by PlainBody Editorial against the PlainScore method · Label checked July 2026

What’s inside

Propolis ExtractWatch if sensitive

A resinous substance bees make from plant exudates, added to cosmetics for antioxidant and marketed "healing" properties. Contact-allergy reviews put patch-test positivity around 1 to 7 percent in tested dermatitis populations, concentrated in beekeepers and people already sensitized to fragrance or poplar-bud resins, so it is worth patch-testing if you have a history of contact allergies or bee-product sensitivity.

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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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1,2-HexanediolGenerally safe

A glycol used very widely in Korean and Western skincare as a lightweight humectant, solvent, and gentle preservative-booster, often in place of traditional preservatives. It has a low reported irritation rate at use levels and is graded low concern in published assessments.

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GlycerinGenerally safe

A humectant that draws water into the skin. One of the best-studied, best-tolerated ingredients in personal care.

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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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PanthenolGenerally safe

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

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EthylhexylglycerinGenerally safe

A glycerin derivative used as a skin conditioner and preservative booster, often paired with phenoxyethanol to allow lower total preservative levels. It has a low irritation and sensitization profile in safety reviews.

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Hyaluronic AcidGenerally safe

A humectant that holds water at the skin surface for a more hydrated look. No safety concern.

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Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate CopolymerGenerally safe

A rheology modifier that thickens gels and serums while maintaining a lightweight, non-sticky feel. Provides suspension and stability in water-based formulas. Widely used and well tolerated.

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Caprylic/Capric TriglycerideGenerally safe

A lightweight, odorless emollient made by combining coconut or palm-derived fatty acids with glycerin. It spreads easily, feels non-greasy, and has a long history of use in skin and hair products with no meaningful irritation or sensitization signal.

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Lower-concern alternatives

Same category, higher PlainScore.

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