??? ?? ?????????? ?? ?????? ??? ????????? ??? ?????? ?? ??????????.??? ?? ?????????? ?? ?????? ??? ????????? ??? ?????? ?? ??????????.????????? ??? ?? ????????? ??? ?????? ??????? ???????;?????? ?? ??????? ???????. ????? ???? ???????? ??? ???????????? ?????? ????????? ??? ??? ????????? ????????????.When ceramides are exposed to light and UV rays, t