Lemon is rich in vitamin C. There are two types of lemon spot removal methods: internal spot removal and external spot removal, internal spot removal is to soak lemon slices with honey and then take it with warm water three times a day. There are more ways to eliminate spots externally, the following are commonly used: 1. Wash your face with water containing lemon juice every day. 2. Mix lemon juice with egg white and put it on your face, wash it off with water after 15 minutes. 3. Apply lemon juice directly on the spotted position. 4. Cut lemon into slices, soak it in the right amount of white wine for a day, then dip a cotton swab into the wine and apply it to the spotted position. 5. Mix the lemon juice with yogurt and honey, and then apply it evenly on the spots.