SPF is an acronym for Sun Protection Factor, which is a measurement of the degree of sun protection provided by a sunscreen. Your skin type is the key factor in determining the appropriate level of sun protection, however, other factors must also be considered such as the duration of exposure and intensity of the UV index. The American Academy of Dermatology recommends broad spectrum sunscreens of at least SPF 30.
UVA rays are longer and penetrate more deeply into the skin. These rays contribute to premature skin aging and skin cancer, which is why UVA rays are known as the "aging" rays. UVB rays are shorter, impact the surface of the skin, and are most responsible for sunburn. UVB rays are known as the "burning" rays.
Broad Spectrum means that the sunscreen provides protection from both UVA and UVB rays.
The product has been tested to deliver the product's benefits until the expiration date. The product may still deliver the stated benefits well beyond the expiration date, but there is no guarantee.
Yes, all BullFrog products are PABA Free.