A composition (A), containing at least one retinoid (I) and benzoyl peroxide (II) in dispersed form, is in the form of an emulsion. An independent claim is included for the preparation of (A), by: (A) mixing (I) with wetting agent(s) and wetting surfactant(s) in water, to give a first active phase (1) (B) mixing (II) with wetting agent(s) and wetting surfactant(s) in water, to give a second active phase (2) (C) dissolving gelling agents and optionally chelating agents, preservatives and other non-heat sensitive hydrophilic additives in warm water to give a homogeneous aqueous phase (D) homogeneously mixing emulsifiers, oils and/or solid lipids and optionally preservatives and other non-heat sensitive lipophilic additives under heating and stirring to give a homogeneous lipid phase (E) adding the lipid phase to the aqueous phase to give an emulsion (F) introducing the active phases (1) and (2) (G) optionally neutralizing to the desired pH and (H) optionally adding heat-sensitive additives. - ACTIVITY : Dermatological Antiseborrheic Antiinflammatory Antipruritic Antipsoriatic Antirheumatic Virucide Vulnerary Antiulcer Fungicide Antibacterial. - MECHANISM OF ACTION : RAR and/or RXR receptor ligand Cell differentiation and/or proliferation modulator Free radical source.本発明は、生理学的に許容可能な媒体中に、少なくとも1種のレチノイドおよび分散型過酸化ベンゾイルを含むエマルジョン形態の組成物、その調製方法、ならびにその化粧品としての使用および皮膚科学的使用に関する。
