 [ Symptoms ] i have migraine headaches blurred vision disoriented slurred speech fever weakness nothing is helping me [ Disease ] the acidic component in lemons does contain some natural lightening properties in general it is safe to use avoid using lemons on any area that has recently been waxed or shaved lemons may cause irritation in the perianal regions unfortunately trying to lighten your skin with lemons will take a long time consider using hydroquinine kojic acid alpha hydroxy acids or bearberry as more effective lightening agents