Cosmetic TechniquesRejuvenationSkin Physiological ProcessesMice, HairlessCosmeticsEmollientsDermatologic AgentsSkin CareFaceUltraviolet RaysSkinElasticityAdministration, TopicalPlant StructuresSilanesPovidoneGelsProgesterone CongenersSkin Physiological PhenomenaMicroscopy, Electron, ScanningCollagenSurface PropertiesFibroblastsModels, BiologicalTreatment OutcomeMicroscopy, ElectronTime FactorsKineticsMolecular Sequence Data