As widespread heatwaves hit cities across the U.S., the best protection against the sun and UV rays is sunscreen. Every day, about 9,500 people are diagnosed with skin cancer in the United States, ...

You need to apply at least 1.6 mg to 1.8 mg of sunscreen on your face and neck to protect the skin from UVB rays ...

Using too little sunscreen lowers its SPF effectiveness. Experts advise applying about 1.6–1.8 mg, or three finger lengths, ...

Three of the most popular sunscreen formats are the lightweight, fast-drying spray sunscreens; stick sunscreens, which are solid and portable; and fluid liquid sunscreens. When choosing between the ...