Simple but golden tips at your fingers tips:
Take more leafy vegetables,salad,fruits(contain high dose of vitamin A,E,C,B,Selineun).
Avoid spicy and oily food.
Intake more water,juice,liquid his highly advised
Avoid direct sunlight,use sun screening lotion.
Don't use cosmetics instead use calmine lotion,multani mati.Multani Mati is a Clay or Mud is nature's most basic skin treatment therapy.
Avoid mental stress,keep smiling.
Do regular exercise.
Good bye to tobacco,alcohol.
NOTE: Above tips are from relevant and trusted source.My friend has a expertise knowledge and licensed professional to recommend these tips..Happy reading and wish you a healthy skin...