Summer Sun Safety: Protecting Your Skin from Skin Cancer

As the summer months bring warmer weather and more time outdoors, it's important to remember that sun exposure can have lasting effects on your skin. While sunshine provides vitamin D and opportunities for outdoor activities, excessive ultraviolet (UV) radiation can damage skin cells and increase the risk of skin cancer.

Understanding the warning signs of sun damage and practicing good sun protection habits can help keep your skin healthy for years to come.

Why Sun Protection Matters

UV radiation from the sun damages the DNA within skin cells. Over time, repeated sun exposure can lead to premature aging, sunspots, wrinkles, and potentially skin cancer.

The risk accumulates throughout your lifetime, making daily sun protection important regardless of age, skin tone, or season.

Actinic Keratosis: A Precancerous Warning Sign

Actinic keratosis (AK) is one of the most common signs of chronic sun damage.

AKs often appear as:

• Rough, scaly patches
• Pink, red, or flesh-colored spots
• Areas that feel like sandpaper
• Lesions commonly found on the face, ears, scalp, neck, forearms, and hands

While not cancerous themselves, actinic keratoses are considered precancerous lesions because they have the potential to develop into squamous cell carcinoma if left untreated.

Early evaluation and treatment are important to prevent progression.

Basal Cell Carcinoma (BCC)

Basal cell carcinoma is the most common type of skin cancer.

Characteristics may include:

• A shiny or pearly bump
• A persistent sore that doesn't heal
• Pink growths with raised edges
• Areas that bleed easily

BCC typically grows slowly and rarely spreads to other parts of the body. However, it can become locally destructive and damage surrounding tissue if not treated.

Squamous Cell Carcinoma (SCC)

Squamous cell carcinoma is the second most common type of skin cancer.

Common signs include:

• Scaly red patches
• Thickened or rough skin lesions
• Wart-like growths
• Open sores that fail to heal

Unlike basal cell carcinoma, SCC has a greater potential to invade deeper tissues and, in some cases, spread to lymph nodes or other parts of the body.

Prompt diagnosis and treatment are essential.

Melanoma: The Most Serious Skin Cancer

Melanoma develops from pigment-producing cells called melanocytes and is considered the most dangerous form of skin cancer.

Watch for the ABCDEs of melanoma:

A – Asymmetry: One half does not match the other.

B – Border: Irregular, scalloped, or poorly defined borders.

C – Color: Multiple colors or uneven pigmentation.

D – Diameter: Larger than 6 mm, although melanomas can be smaller.

E – Evolving: Changes in size, shape, color, or symptoms.

Melanoma can spread rapidly if not detected early, making regular skin checks extremely important.

How to Protect Your Skin This Summer

Use Sunscreen Daily

• SPF 30 or higher
• Broad-spectrum protection (UVA and UVB)
• Reapply every two hours
• Reapply after swimming or sweating

Wear Protective Clothing

• Wide-brimmed hats
• Long sleeves when possible
• UV-protective sunglasses

Seek Shade

• Especially between 10 AM and 4 PM when UV rays are strongest

Avoid Tanning Beds

• Artificial UV exposure increases skin cancer risk

Perform Monthly Skin Self-Exams

Look for:

• New lesions
• Changing moles
• Non-healing sores
• Spots that itch, bleed, or grow

When Should You See a Healthcare Provider?

Schedule an evaluation if you notice:

• A new or changing mole
• Rough scaly patches that persist
• A sore that won't heal
• A lesion that bleeds repeatedly
• Any suspicious skin growth

Early detection dramatically improves outcomes for all forms of skin cancer.

Final Thoughts

Your skin remembers every sunburn and every hour of UV exposure. Protecting your skin today can help prevent skin cancer tomorrow. Daily sunscreen use, routine skin examinations, and prompt evaluation of suspicious lesions are among the most effective ways to maintain healthy skin and reduce your risk.

This summer, enjoy the sunshine—but do so safely.

Bianca Camille Fong APRN, FNP-BC