Do the probable bad effects of sun protection creams remain permanently on skin? please introduce some brands of sun protection creams for blonde skin

No sun cream worse: If you cannot avoid sun between 10:00 am and 4:00pm, always use sun protection. They do not cause problems to your skin. For fair skin like you, use higher protection factors like 50. If you have oily skin look for brands that have a less oily base. If you have sensitive skin, uses brands used for children, they usually are very gentle. In the US, neutrogena is a good brand .