Tan is a sign that the sun radiation hits the skin - so if you get tanned while using a sunscreen it means that the protection is weak. Oil sunscreens can be effective if they are able to create a stable protective layer on the skin surface - but often the layer they create rubs away quicker than that of a lotion
Tan is a sign that the sun radiation hits the skin - so if you get tanned while using a sunscreen it means that the protection is weak. Oil sunscreens can be effective if they are able to create a stable protective layer on the skin surface - but often the layer they create rubs away quicker than that of a lotion