S.3425: A bill to make effective the proposed rule of the Food and Drug Administration relating to sunscreen drug products, and for other purposes.

Sunscreen Labeling Protection Act of 2008 or the SUN Act - Requires the proposed rule issued by the Commissioner of Food and Drugs pertaining to over-the-counter sunscreen drug products to take effect 180 days after enactment of this Act, unless the Commissioner issues a final rule that includes formulation, labeling, and testing requirements for both ultraviolet B (UVB) and ultraviolet A (UVA) radiation protection before such time.