"Sustancias para sistemas de uñas artificiales" (Substances used in artificial nail systems) (5 pages, in Spanish)
The formulation for artificial nail systems may contain the substances 1,4-dihydroxybenzene (hydroquinone), 4-methoxyphenol (hydroquinone methylether) and benzoyl peroxide, subject to certain restrictions and conditions of use. These products will be required to meet specific labelling requirements.