#asktheexperts My son is 4 months old now. He has few hypopigmented patches that are looking dry but are scaly since when he was 20 days. They have gotten a little better now and haven't gotten any new patches in the past 2 months. Went to two dermatologist, one said dry skin another birthmark but there are many. one on stomach and a big scaly one on chest..one scaly on leg and few on feet. no patches on face or hands. but his mouth has turned whitish. could you please let me know a proper diagnosis of it.