• Cosmetics: If make-up is not cleansed away or is left overnight, it can clog the mebomian gland's opening and encourage Styes. Even using cosmetics past their expiry date can pose a high risk.
• Contact lenses: Those who wear contact lenses are more prone to develop this infection if they fail to clean or disinfect their lenses properly.
• Dust: Working or living in an environment rich in dust can precipitate clogging and stye formation.