Sunscreen advice is everywhere online. Some posts are helpful, but others make claims that can confuse patients or discourage them from protecting their skin.
A recent Healthline report found that sunscreen misinformation on TikTok may receive higher engagement than more accurate sunscreen content. While most sunscreen-related content may still be positive, even a small amount of misinformation can be harmful if it causes people to skip sun protection. Healthline
Why Sun Protection Matters
Most skin cancers are caused by too much exposure to ultraviolet, or UV, rays. UV rays come from the sun, tanning beds, and sunlamps. They can damage skin cells and increase the risk of skin cancer over time. CDC
Sun protection matters year-round, not just at the beach or during summer vacation. UV rays can still reach your skin on cloudy or cool days, and they can reflect off surfaces like water, sand, cement, and snow.
What Sunscreen Does
Sunscreen helps protect skin from UV radiation. Broad-spectrum sunscreen protects against both UVA and UVB rays.
In general, patients should look for sunscreen that is:
- Broad spectrum
- SPF 30 or higher for regular outdoor use
- Water-resistant if swimming or sweating
- Appropriate for their skin type
- Easy enough to use consistently
The best sunscreen is often the one you will actually apply and reapply.
Sunscreen Is Only One Part of Sun Protection
Sunscreen helps, but it should not be the only layer of protection.
The CDC recommends several ways to reduce UV exposure when the UV index is 3 or higher, including shade, protective clothing, wide-brim hats, sunglasses, and sunscreen. CDC
Helpful sun-safety habits include:
- Seek shade when possible
- Avoid peak sun hours when practical
- Wear a wide-brim hat
- Use sunglasses that block UVA and UVB rays
- Wear clothing that covers exposed skin
- Apply sunscreen before going outside
- Reapply sunscreen regularly, especially after swimming or sweating
- Avoid tanning beds
A tan is not a sign of health. It is a sign that UV exposure has affected the skin.
Common Sunscreen Myths
Social media can make sunscreen feel more complicated than it needs to be.
Common myths include:
- “You do not need sunscreen on cloudy days”
- “A base tan protects your skin”
- “Natural oils can replace sunscreen”
- “Only fair-skinned people need sun protection”
- “Sunscreen is only needed at the beach”
- “If you do not burn, your skin is not being damaged”
These claims can be misleading. People of all skin tones can experience UV damage, and sun protection is still important even if you rarely burn.
When to Talk With Your Doctor
Talk with your healthcare provider or dermatologist if you have:
- A new or changing mole
- A sore that does not heal
- A spot that bleeds, crusts, or changes color
- A personal or family history of skin cancer
- Frequent sunburns
- Questions about sunscreen ingredients
- Sensitive skin or reactions to sunscreen
Your doctor can help you choose a sun-protection routine that fits your skin type, medical history, and lifestyle.
Bottom Line
Social media can be useful, but it is not always the best place to get medical advice. Sunscreen misinformation may sound confident, but that does not make it accurate.
Protecting your skin does not need to be complicated. Use broad-spectrum sunscreen, reapply when needed, wear protective clothing, seek shade, and avoid tanning beds.
If you are unsure which sunscreen is right for you, ask your healthcare provider for guidance.
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