Warning labels for hair dyes

Many products intended to colour hair contain sensitising substances, such as p-phenylenediamine, its derivatives and resorcinol.

Warnings on the use of sensitisers in hair dyes must be provided in product packaging (Annex III of the EU Regulation on Cosmetic Products).

Package labelling must include the following warnings:

Mixing ratio.

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"Hair dyes can cause severe allergic reactions.

Read the instructions for use and follow them.

This product is not intended for persons under 16 years of age.

Temporary black henna tattoos may increase your risk of allergy.

Do not colour your hair if

  • you have a rash on your face or sensitive, irritated or damaged scalp;
  • you have ever experienced any reaction after colouring your hair;
  • you have experienced a reaction to a temporary “black henna” tattoo in the past.

Do not use to dye eyelashes or eyebrows.”

If the hair dye is only intended for professional use the package labelling must also include a warning stating that the product is only intended for professional use.