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Ingredient deep-dive

Resorcinol: Is It a Microplastic?

Medium concernPlasticiser / chemical of concern

Hair-dye and acne ingredient with thyroid and sensitisation concerns. Not a plastic, included because it co-occurs with the plastics discussion in "clean beauty" screening.

Where it appears

  • Permanent hair dye
  • Some acne treatments

Regulatory status (2026)

European Union

Permitted in hair dye at restricted concentrations with warning labelling.

United States

No federal restriction.

Cleaner alternatives

  • Henna-based colour
  • Resorcinol-free dye lines
  • Salicylic acid for acne

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Resorcinol, common questions

Is Resorcinol a microplastic?

Yes: it is classified as a synthetic polymer. Hair-dye and acne ingredient with thyroid and sensitisation concerns. Not a plastic, included because it co-occurs with the plastics discussion in "clean beauty" screening.

Is Resorcinol banned?

EU: Permitted in hair dye at restricted concentrations with warning labelling. US: No federal restriction.

What can I use instead of Resorcinol?

Cleaner alternatives include: Henna-based colour; Resorcinol-free dye lines; Salicylic acid for acne.

What products contain Resorcinol?

Commonly found in: Permanent hair dye; Some acne treatments.

Related ingredients

Parabens

Plasticiser / chemical of concern · Medium concern

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Phthalates

Plasticiser / chemical of concern · High concern

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BHT / BHA

Plasticiser / chemical of concern · Low concern

Synthetic antioxidants, co-occurrence flag in plastic-heavy formulas.

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DEHP (Diethylhexyl Phthalate)

Plasticiser / chemical of concern · High concern

The most studied plasticiser and a recognised endocrine disruptor. Banned in EU cosmetics. It reaches food and bodies mainly through plastic packaging and processing equipment rather than through cosmetic formulas.

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