How much better is SPF 30 than 15? “SPF 15 protects against 93 percent of UVB rays, SPF 30 protects against 97 percent, and SPF 50 is about 98 percent,” says Sejal Shah, a dermatologist
How much better is SPF 30 than 15?
“SPF 15 protects against 93 percent of UVB rays, SPF 30 protects against 97 percent, and SPF 50 is about 98 percent,” says Sejal Shah, a dermatologist in New York City. In other words, you get double the sun exposure when you opt for SPF 15 instead of SPF 30.
Is 30 SPF high enough?
An SPF 30 allows about 3 percent of UVB rays to hit your skin. Under ideal conditions (like in a laboratory), a sunscreen with higher SPF protection and broad-spectrum coverage offers more protection against sunburn, UVA damage and DNA damage than comparable products with lower SPF values.
Which SPF range is best?
Experts recommend using a sunscreen with an SPF of at least 30. Sunscreens with SPF s greater than 50 provide only a small increase in UV protection. High-number SPF s last the same amount of time as low-number SPF s.
What SPF is better 30 or 50?
A sunscreen with SPF 30 will protect you from around 96.7% of UVB rays, whereas an SPF of 50 means protection from about 98% of UVB rays. Anything beyond SPF 50 makes very little difference in terms of risk of sun damage, and no sunscreens offer 100% protection from UVB rays.
Will SPF 15 protect you?
Regular daily use of SPF 15 sunscreen can reduce your risk of developing squamous cell carcinoma (SCC) by about 40 percent, and lower your melanoma risk by 50 percent. Help prevent premature skin aging caused by the sun, including wrinkles, sagging and age spots.
Is higher SPF bad for you?
Products with SPF values greater than 50+ also tend to give users a false sense of security. High SPF sunscreens not only overpromise protection but, according to the Food and Drug Administration, may also overexpose consumers to UVA rays and raise their risk of cancer.
What SPF should black people use?
SPF 30
“I recommend SPF 30 for daily use and SPF 50 whenever you are outside for more than an hour. Sunscreen should be reapplied every two hours,” says Henry. Below, read through dermatologist- and editor-approved sunscreen picks for melanin-rich skin, including SPF finds from fan-favorite, Black-owned beauty brands.