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You slather sunscreen on your arms, your shoulders, maybe even the tops of your feet — but when was the last time you protected your lips? Lips are one of the most sun-vulnerable parts of your body, and one of the most commonly forgotten. If you've ever come home from the beach with tight, swollen, or peeling lips, you've felt the consequences. Here's exactly how to protect your lips from the sun, and why it matters more than you think.
Can Your Lips Really Get Sunburned?
Absolutely. Lips are skin, and like any skin they can burn, blister, and peel after too much UV exposure. Sunburned lips often feel dry and tight at first, then become tender, red, and swollen, sometimes developing small blisters. Because we use our lips constantly — talking, eating, drinking — a burn there is especially uncomfortable and slow to heal.
Why Lips Are So Vulnerable to UV Damage
Two things make lips a weak spot. First, the skin on your lips is extremely thin and contains very little melanin, the pigment that gives the rest of your skin some baseline UV defense. Less melanin means less natural protection. Second, lips have no oil glands of their own, so they can't keep themselves moisturized the way other skin does — they dry out and break down faster in sun, wind, and heat.
Over years, chronic sun exposure to the lips can lead to a precancerous condition called actinic cheilitis and, in some cases, skin cancer — which most often affects the lower lip because it catches the most direct sun. Daily protection isn't just about comfort; it's a real long-term skin-health habit.
What SPF Do You Need for Your Lips?
Look for a lip product labeled broad-spectrum SPF 30 or higher. Broad-spectrum means it guards against both UVA (aging, deeper damage) and UVB (burning) rays. SPF 30 blocks roughly 97% of UVB, compared to about 93% for SPF 15 — a meaningful difference for skin this delicate. Plain lip balm or tinted gloss with no SPF does nothing to protect you, no matter how glossy it looks.
How to Protect Your Lips From the Sun, Step by Step
Protecting your lips is simple once you build it into your routine:
1. Start the day with SPF. Apply a broad-spectrum SPF lip balm every morning, the same way you'd apply sunscreen to your face — not just on beach days. UV rays reach your lips year-round, even in winter and on cloudy days.
2. Reapply often. Lip products wear off fast through eating, drinking, talking, and licking your lips. Reapply at least every two hours in the sun, and immediately after meals or swimming.
3. Add physical shade. A wide-brimmed hat shades your face and lips at the same time, and is especially smart between 10 a.m. and 2 p.m. when the sun is strongest.
4. Protect the skin around them. The border of your lips and the area just above your upper lip burn easily too. When you apply your facial sunscreen, carry it right up to the lip line.
Don't Forget the Rest of Your Face
Lips rarely burn alone — if your lips are exposed, so are your nose, cheeks, and the delicate skin around your mouth. The most reliable fix is a dedicated facial sunscreen you'll actually wear every day. Our Summer Face SPF 50 gives high broad-spectrum protection with a lightweight finish, so it's easy to apply generously around your mouth and lip line without a heavy, greasy feel. Pair it with your SPF lip balm and your whole face is covered.
Heading outside for a full day? Round out your protection with Summer Body SPF 30 for everything below the neck, or grab the Summer Duo so face and body are handled in one go. And if you're building a deliberate tan, our Summer Body SPF 4 Tanning Oil keeps body skin conditioned — just remember it isn't meant for your lips or face.
How to Soothe Sunburned Lips
If your lips are already burned, be gentle. Keep them hydrated with a fragrance-free balm or healing ointment, drink plenty of water, and apply a cool (not ice-cold) compress for relief. Avoid licking your lips, picking at peeling skin, or using harsh exfoliants until they've healed. If you see blistering, severe swelling, or the burn doesn't improve in a few days, check in with a healthcare professional.
The Bottom Line
Your lips have almost no built-in sun defense, which makes that one extra step — a broad-spectrum SPF 30+ balm, reapplied regularly — one of the highest-value habits in your whole sun-care routine. Protect your lips the same way you protect your face, and you'll skip the painful peeling and protect your long-term skin health at the same time.
