Wash the area with warm water and soap
Exfoliate gently with a washcloth or soft scrub
Apply olive oil, coconut oil, or baby oil and rub gently
Use micellar water or makeup remover on a cotton pad
Apply a paste of baking soda and water, then rinse
Rub with lemon juice briefly, then wash off
Soak the skin in warm water before scrubbing
Use hydrogen peroxide diluted with water carefully
Repeat the process over a few days as the stain fades naturally