The ingredients in lash serums and products can vary, and it's important to be aware of what they contain. Some ingredients to avoid in lash products include oils, prostaglandins, and certain preservatives. Oils can break down the adhesive used for lash extensions, while prostaglandins, such as Bimatoprost, are prohibited in cosmetics due to their hormone-like effects
. Additionally, some lash serums may contain preservatives like phenoxyethanol, methylparaben, propylparaben, and butylparaben, which may raise concerns about safety and effectiveness
. It's essential to carefully review the ingredient list of any lash product to ensure it meets your safety and quality standards.