Thanks for writing to us.
It seems that tanning
you are having is more deu to a direct exposure to teh sunlight. Th best way to avoid this tanning is to avoid sun exposure at all costs and use physical barriers like umbrella while going out. Use a good sunscreen every 3-4 hours daily to avoid further aggravation.
I hope this information has been both informative and helpful for you.
Dr. Rakhi Tayal