If the noise is lower, the AC service may be the cause. Magnetic fields from transformers can cause humming. Mains transformers typically cause an AC magnetic field around them. This magnetic field can be copled to wiring, electronics or signal transformers and cause humming.
Baby oil can be used for removing makeup. Pour a few drops of it on a cotton ball and gently wipe the makeup off your face. Rinse your hands, face with cold water, and dry the skin using a soft towel. Baby oil removes all of the makeup without harming your skin.
You can use baby oil to remove your make up before going to bed. Pour some baby oil on a clean cotton ball and then use it to clean your face and neck area. Once you are done, rinse your face properly with cool water and dab your skin dry with a soft cotton towel.