Silicone glue
Glass glue, also called silicone, selenium, sealant, caulk. Use 100% silicone glass glue in the bathroom. 100% Silicone Sealant is a one component acetoxy cure material ideal for caulking and sealing bathroom areas. It forms a waterproof and durable seal that won't crack or shrink. This mildew and mildew resistant product provides long-lasting flexibility and excellent adhesion.