SPF - EPF - UPF :: Learn the facts about sun protection factors.
SPF- rates sunscreen, makeup and lotion. SPF (Sun Protection Factor) ranges from (2-50+). Without protection, the sun begins to damage your skin after about five minutes of exposure. An SPF 15 will protect you for about 75 minutes (15 times longer than you would be without sunscreen).
EPF- rates sunglasses. EPF (Eye Protection Factor) is used to rate the protection of sunglasses. An EPF of 10+ = 100% UV Blockage.
UPF- rates sun protective clothing. UPF (Ultraviolet Protection Factor) ranges from 2-50+. This, like SPF, measures how much longer protected areas can be in the sun without getting a sunburn. |