Choosing between SPF 30 vs. SPF 70 and unsure which is best for you? Discover the real differences and learn how to pick the right SPF for your needs.
If SPF 30 is a 3/2 spring suit, SPF 70 is a 4/3 with booties and a hood. So, is SPF 70 better than SPF 30? Sometimes. It depends on how much sun you’re getting and how your skin handles it.Here's what changes between the two and when to suit up.
The number on the bottle tells you how much UVB a sunscreen filters out. SPF 30 blocks about 97% of UVB, while SPF 70 blocks closer to 98.5%, according to the American Academy of Dermatology. The gap looks small, but SPF 30 lets through about 3% of UVB while SPF 70 only lets through 1.5%. That’s half as much UV reaching your skin, which gives you more protection under the sun.
SPF 30 is the rating most dermatologists call the everyday minimum. It blocks about 97% of UVB and shows up in just about every sunscreen format: lotions, sprays, sticks, mineral formulas. It’s a go-to SPF that handles most situations, ahem, under the sun.
Lightweight feel. Thinner and faster to rub in than SPF 70, easier to wear daily or under makeup.
Dermatologist’s baseline. SPF 30 is the daily minimum most skin pros recommend.
Easy to find. SPF 30 shows up in every sunscreen format, from lotions to sprays to face sticks.
Less protection in full sun. SPF 30 lets through about 3% of UVB, which adds up over a long day.
Not enough for sensitive skin. Fair skin or anyone on medication that makes the sun hit harder usually wants more coverage than SPF 30 offers.
Outpaced by high-UV days. Tropical vacations, ski trips, or marathon surf sessions can outpace SPF 30.
SPF 30 is the right call for most days. Surf sessions, extended burrito lunches, skating, or any day the UV index is moderate. It’s the everyday face SPF for normal skin in normal conditions, the one you reach for when you don’t need the heavy beach day artillery.
SPF 70 is the heavy-duty option in the sunscreen lineup. It blocks closer to 98.5% of UVB rays and is built for situations where you want maximum coverage, like long days in strong sun or fair, sensitive skin. It’s the SPF that gives you the most protection when the sun’s at full strength.
Maximum UVB blockage. SPF 70 lets through about half as much UV as SPF 30, more protection when conditions are intense.
Built for fair and sensitive skin. If you burn easily or your skin runs reactive, SPF 70 gives you more protection.
Built for high UV. Holds up through tropical sun, snow days, and marathon summer sessions.
Heavier feel. SPF 70 formulas can feel richer on the skin than SPF 30, which some find harder to wear daily.
Costs more. Premium-SPF formulas usually carry a higher price tag than SPF 30.
More than you need for low-key days.> SPF 30 covers errands and short walks with a lighter formula.
SPF 70 is the answer for intense sun. Surf trips near the equator (lucky you), snow trips, days spent chasing groms in peak summer, or any time you’re out for hours. It’s also the smart pick for fair or sensitive skin, anyone on medications that make them sensitive to being in the sun, or skin recovering from procedures or peels.
It depends. SPF 70 blocks more UVB and gives you a bigger cushion in full sun. For tropical vacations, long family beach days in peak summer, or anyone with fair or sensitive skin, SPF 70 is the smarter call. For an average day in moderate sun, SPF 30 covers it just as well and feels lighter doing it. Neither is better than the other, but the right pick depends on the day.
The decision comes down to a few questions. How long will you be in the sun? How intense is the UV? And how does your skin handle direct sunlight? Short outings in moderate UV with skin that doesn’t burn easily? SPF 30 is your pick. All-day exposure, intense sun, or sensitive skin? Go with SPF 70. When you’re in between, default to SPF 30 with a tube of SPF 70 in your beach bag for the longer days. Basically, if you’re deciding between SPF 30 vs. 70, it comes down to sun intensity, time outside, and how easily your skin burns.
Not exactly. SPF 70 isn’t “too much” protection, but for most people, it’s more sunscreen than the average day calls for. The thicker formula and higher price tag make SPF 30 a better fit for daily wear. SPF 70 daily makes sense if your skin is fair, sensitive, or on a UV-sensitizing medication. For everyone else, SPF 30 handles a normal day under the sun and saves SPF 70 for the days that earn it.
No. SPF 30 is the daily minimum dermatologists recommend, and it blocks about 97% of UVB, plenty of protection for normal everyday exposure. The face does take more cumulative UV damage than the rest of your body, so daily SPF is non-negotiable, but SPF 30 covers it for most people. For long days in strong sun, post-procedure recovery, or fair skin, bumping up to SPF 50 or 70 makes sense.
Yes. No sunscreen blocks 100% of UV, and SPF 70 still lets about 1.5% of UVB through, which is enough to trigger melanin production over time. The tan comes slower and more evenly, which is what dermatologists prefer because gradual tanning means less UV damage. SPF 70 won’t keep you from tanning, just from burning along the way.
Choosing between SPF 30 vs. SPF 50 and unsure which is best for you? Discover the real differences and learn how to pick the right SPF for your needs.
Choosing between SPF 50 vs. SPF 70 and unsure which is best for you? Discover the real differences and learn how to pick the right SPF for your needs.
Choosing between SPF 15 vs. SPF 30 and unsure which is best for you? Discover the real differences and learn how to pick the right SPF for your needs.
If you’re wondering how to treat baby sunburn, don’t worry, we’ve got you covered. Babies have sensitive skin, and it’s super important to soothe that burn ASAP.
Skip the screen—not a big deal, right? Ummm... We all know we’re serious about the screen around here, but you might be surprised to find out why. ‘Cuz it’s not just about the risk of getting a burn (although we really, really hate that).
