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.
The most popular baby oil is probably Johnson and Johnson's Baby Oil. It's in every drugstore in the baby care products section, and you've probably seen it a million times. The ingredients in baby oil are simply mineral oil and fragrance. Buy Johnson and Johnson Baby Oil on Amazon.com. Mineral oil can be a controversial skin care ingredient, and many people avoid using it which is a shame. There is nothing wrong with using mineral oil on your skin or your baby's skin.