
Sun Protection Factor (SPF) allows consumers to compare protection provided by sunscreens. Standardized methods properly evaluate the level of protection from UVA / UVB, and confirm label claims of their effectiveness.

Sun Protection Factor (SPF) allows consumers to compare protection provided by sunscreens. Standardized methods properly evaluate the level of protection from UVA / UVB, and confirm label claims of their effectiveness.

Published: May 15th 2015 | Updated: