DEAR HARRIETTE: I have developed some dark spots on my face over the past few years. I cover them up with makeup, but they seem to be getting worse. A friend of mine keeps chastising me for spending time in the sun. I have to admit that I have been a sun worshipper for most of my life, since I was a teenager. I am now in my 50s.
Now I worry that sun exposure may be the reason for these marks. I hav…