my son knees and elbows are dark.. suggest me a good creme to lighten it. apart from sunscreen

A. I’m not very certain how good you are going to be with using this but there is this-serum which is supposed to be very Hyphen is the company of the name you can try that something in anatomy is also available you can try that also just check how suitable it is for kids because you’re only willing to use it on the elbow and knee so I don’t think so it would be a problem but not on the face