Hi Doctor I Swati I Used Lomela After 4 Years

hi doctor I swati I used lomela after 4 years i........fast 2 years my skin is look so beautiful but then 2 year my skin look very ugly. fast 2 year I don't apply on my face sun burn lotion but after 2 I used. but not got good result .....so plz suggest me how I can used Lomela cream