Freckles and pigmentations can be taken care by medications and if they dont give results Co2 laser
can give good results. Freckles and skin pigmentation occur due to excessive sun exposure and one needs to protect from harmful sun rays.
SPF is a measure of UV-B protection which doesnot cause much of pigmentary problems. In order to protect form tanning
, freckles and melasma
one must use a sunscreen with UVA protection.
So next time you buy a sunscreen look for UVA protection and not SPF...