Written and medically reviewed by Dorcas Morak, Pharm.D
Whether you're hitting the beach, working outdoors, or just enjoying your lunch break under clear skies, sunshine feels good. But as inviting as those rays are, too much of a good thing can cause harm—especially when it comes to your skin.
That’s why July is recognized as UV Safety Month—a time to raise awareness about ultraviolet (UV) radiation and share simple ways to enjoy the summer safely. Think of this as your friendly guide to having "fun in the sun"—without the burn.
What Is Skin Cancer, and Why Should I Care?
Skin cancer is the most common type of cancer in the U.S., especially among Veterans. The primary cause? UV radiation from the sun, tanning beds, and even some indoor lights.
There are two main categories:
- Non-melanoma skin cancers like basal cell carcinoma and squamous cell carcinoma. These are usually treatable but may leave scarring or disfigurement.
- Melanoma, a more aggressive form that can spread to other organs and become life-threatening if not caught early.
What Are the Facts About Sun Exposure and Skin Cancer?
Here are a few key facts to keep in mind:
- UV rays are strongest between 10 a.m. and 4 p.m.
- Clouds don’t block UV radiation—up to 80% can pass through.
- Tanning beds are not a safe alternative to sunbathing. They emit dangerous UV radiation that increases the risk of skin cancer and eye damage.
- Certain medications can increase the skin's sensitivity to sunlight. These include:
- Tetracyclines (e.g., doxycycline)
- Isotretinoin (used for acne)
- Hydrochlorothiazide (a diuretic for high blood pressure)
- NSAIDs like naproxen
What Are Simple Ways to Protect Yourself Beyond Sunscreen?
Sunscreen is essential—but it’s not your only line of defense. Here are five easy, sunscreen-free ways to reduce your risk:
Wear UPF-Protective Clothing Choose garments labeled UPF 50+ for maximum protection. Dark, tightly woven fabrics offer better UV defense than light or loose weaves.
Use Wide-Brimmed Hats and UV-Rated Sunglasses Look for sunglasses labeled “UV400” or those with an E-SPF rating to block 99–100% of UVA/UVB rays.
Seek Shade With Umbrellas or Shelters Perfect for beaches, patios, and parks—shade offers a layer of protection but doesn't replace sunscreen.
Avoid Artificial UV Sources Tanning beds, halogen lights, and mercury vapor lamps can emit harmful UV rays. Limit exposure or ensure bulbs have intact protective covers.
Schedule Outdoor Time Wisely Avoid peak UV hours (10 a.m. to 4 p.m.). If you must be outside, reapply sunscreen every two hours and stay hydrated.
Can I Use Natural Oils or Lotions as an Alternative to Sunscreen?
Despite what you may hear online, natural oils like coconut oil, olive oil, or shea butter offer minimal or no UV protection. Sunscreen pills are still under research and not FDA-approved. Stick with broad-spectrum SPF 30+ creams or sprays with water resistance for now.
What Are the Signs of Skin Cancer to Watch For?
Knowing what to look for can save your life. Early detection is key. Here are a few warning signs:
- A new growth or sore that doesn’t heal
- A mole that changes in size, color, or shape
- A lesion that bleeds, crusts, or itches
Follow the ABCDE Rule:
- Asymmetry
- Border irregularity
- Color variation
- Diameter >6mm
- Evolving appearance If anything looks suspicious, consult a dermatologist.
If treatment is needed, your doctor may prescribe:
- Topical corticosteroids (e.g., hydrocortisone or clobetasol) for inflammation
- Antibiotic creams (e.g., mupirocin) if there's infection risk
- Targeted melanoma treatments (e.g., nivolumab, ipilimumab) for advanced cases
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