A milium is a white bump caused by dead skin cells trapped ... These bumps can appear on both the upper and lower eyelids. One of the most common causes of skin cancer is unprotected ultraviolet ...

A pimple on your eyelid usually isn't acne — it's probably a stye, chalazion, or xanthelasma. A stye is a round, red bump that can be treated with a warm compress to drain the pus. A chalazion ...