Synonym(s)
Hydroquinones (INCI); Hydroquinones (INCI-Kennzeichnung)
DefinitionThis section has been translated automatically.
Depigmentation agent.
Pharmacodynamics (Effect)This section has been translated automatically.
Inhibition of tyrosinase and oxidative phosphorylation and thus of melanin synthesis; existing pigment is not destroyed.
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IndicationThis section has been translated automatically.
Ephelides, lentigines, Chloasma.
Dosage and method of useThis section has been translated automatically.
Apply thinly to the changed skin once/day. Treatment duration 6-12 weeks. Stop treatment if no skin lightening occurs after 3 months at the latest.
Standard concentrationThis section has been translated automatically.
2-3% in ointments and creams. There is no prescription obligation; a concentration limit of up to 3% is recommended.
Remember! Controversial therapy principle, perform epicutaneous test before use! Negative monograph!
Important: A combination preparation is preferable to monotherapy.
Undesirable effectsThis section has been translated automatically.
Allergic reactions, permanent depigmentation, danger of inducing vitiligo (especially in dark-skinned people).
IncompatibilityThis section has been translated automatically.
Alkaline reacting substances, oxidizing agents, iron and heavy metal salts.
Recipe(s)This section has been translated automatically.
See also the depigmenting 3% hydroquinone ointment.
PreparationsThis section has been translated automatically.
Finished preparations are available with the 5% hydroquinone cream Pigmanorm® (Widmer).
Prof. Dr. med. Peter Altmeyer