The highest SPF rating commonly available in sunscreen is 110. However, experts weighing in at WebMD and The New York Times generally agree that products with SPF ratings above 30 offer only marginally superior benefits ... More »

Three of the top sunscreens recommended by Consumer Reports are BullFrog Water Armor Sport InstaCool SPF 50+ spray, Coppertone Water Babies SPF 50 lotion and Walmart's Equate Ultra Protection SPF 50 lotion. Consumer Repo... More » Beauty & Fashion Skin Care

How fast a sunburn occurs depends on the ultraviolet index, but the range is about 10 to 60 minutes. Those people not using sun protection methods and with fair skin are likely to burn faster. More » Beauty & Fashion Skin Care Tanning

Higher SPF ratings generally mean better protection from the sun's ultraviolet B rays, so SPF 30 sunscreens provide protection from 97 percent of UVB rays and SPF 45 or higher sunscreens block 98 percent. The SPF rating,... More »

According to the Skin Cancer Foundation, a good SPF number depends on expected sun exposure, skin tone, age and family history of skin cancers. An SPF of 15 is generally sufficient for daily activities. For extended sun ... More »

Tanning safely involves applying a sunscreen of at least 20 SPF and only spending about 15 minutes in the sun to build up a tan. Once the skin starts to tan, the person can generally increase the amount of time they spen... More » Beauty & Fashion Skin Care Tanning

The "S" in "SPF" stands for "sun," since "SPF" is an acronym for 'sun protection factor." SPF essentially indicates the level of protection from ultraviolet B, also known as UVB rays. More » Beauty & Fashion Skin Care Tanning