My lips are dark how do I lighten them and if this is going to be a product can you tell me a store like walmart or walgreens or rayleys and can you tell me the name of the product

I don't know if gram flour is available in your country. If it is then try this.. take a tablespoon of gram flour, a pinch of salt (omit if lips are cracked), a few drops of lemon juice and make a thick paste by adding some milk. Apply this on the lips for 15 minutes and wash with warm water. It should help and you should be able to see the difference in a month... Good luck