CheekCosmetic TechniquesRejuvenationSkin Physiological ProcessesMice, HairlessCosmeticsMesocricetusMouth MucosaFacial NeoplasmsFaceCell LineEmollientsDermatologic AgentsSkin CareUltraviolet RaysSkinCricetinaeCell Line, TumorElasticityAdministration, TopicalPlant StructuresSilanesPovidoneGelsProgesterone CongenersMouth NeoplasmsSkin Physiological PhenomenaMicroscopy, Electron, Scanning