Sunburns in Cornwall warn UK holidaymakers that dangerous skin cancer risks persist at home.

Severe sunburns by mid-afternoon during the Bank Holiday weekend in Cornwall have sent a stark warning to the public: the era of reckless sunbathing is over, yet dangerous misconceptions persist. As a consultant dermatologist practicing within the NHS and private sector, I have witnessed alarming levels of skin damage among holidaymakers who fail to appreciate the lethal nature of UV radiation, even in the United Kingdom. Tragically, skin cancer claims seven lives daily in the UK, with recent figures from Cancer Research UK indicating a record surge in cases. Many of the patients I treat for malignant melanoma have never traveled abroad, proving that risk is a domestic reality, not just a foreign one.

The most visible indicator of sun damage is sunburn, which directly elevates the probability of developing skin cancer. The danger is particularly acute during childhood; research published in the *Journal of the American Academy of Dermatology* reveals that each blistering sunburn before age 15 increases the relative risk of melanoma by 3.2 percent. Social media influencers often suggest that skin can be "trained" to withstand sun damage through gradual tanning, but this is a fatal error. While melanin production triggered by sunlight does offer a minimal shield, a tan is actually a sign that the skin has already sustained injury. Chronic exposure will inevitably lead to damage regardless of this temporary tolerance.

Furthermore, the belief that pre-holiday tanning beds offer protection is scientifically baseless. Sunbeds emit UVA radiation at levels up to ten times stronger than natural sunlight. According to the *Journal of the European Academy of Dermatology and Venereology*, a single session before age 35 can increase melanoma risk by 75 percent. Sunscreen is non-negotiable for preventing both cancer and premature aging. Dr. Justine Hextall, a 54-year-old consultant who has applied sunscreen daily for three decades, notes that her youthful appearance is largely attributable to this consistent UV protection. For young women in their 20s and 30s seeking expensive anti-aging procedures like Botox, applying SPF50 is a far more effective and affordable preventive measure that applies equally to men.

Government and medical guidance must be heeded immediately, especially regarding conditions like rosacea. UV exposure is the primary trigger for over 80 percent of rosacea sufferers, causing painful redness, inflammation, and rash-like eruptions on the nose and face. Millions of people continue to make critical errors in their sun protection routines, such as relying on baby oil or neglecting specific body parts. The warmer weather demands immediate action; ignoring these risks is not a choice but a pathway to preventable disease. The public must abandon the notion that a tan equals safety and adopt rigorous sun protection strategies to avoid the devastating consequences of UV exposure.

Medical professionals strongly urge patients to apply sunscreen to their faces throughout every season. The critical factor is not merely application, but the volume used to achieve the labeled protection level. Patients must select formulations that block both UVA and UVB rays, as UVB radiation is the primary driver of sunburn.

To ensure adequate coverage, individuals must apply two milligrams of cream per square centimeter of skin. Research indicates that the average person applies less than half of this necessary amount. Consequently, travelers should pack a minimum of 200ml bottle of sunscreen per person for a week-long vacation.

The Sun Protection Factor (SPF) rating on a label quantifies UVB defense, indicating how much longer skin can remain exposed before burning compared to unprotected skin. However, UVA rays penetrate deeper into the dermis; their protection level is denoted by stars. Consumers should seek products offering at least four-star UVA protection. Experts recommend using SPF50 year-round. In the United Kingdom, application is mandatory on all exposed skin once the UV index rises above three. While darker skin tones can tolerate limited sun exposure to maintain vitamin D levels, extended exposure remains risky. I consistently apply SPF50 to the face, neck, and hands annually, primarily to shield against winter UVA rays and visible light.

Relying solely on a moisturizer with an SPF rating is insufficient. Patients should replace their standard face cream with a dedicated high-SPF sunscreen, particularly during summer months. Standard face creams often fail to provide adequate UVA protection.

Protecting skin indoors is vital, yet the most perilous exposure pattern occurs when individuals covered for most of the year suddenly encounter high UV levels on a holiday, leading to sunburn. This specific pattern correlates with the development of melanoma. Even high-quality sunscreen does not replace the need for physical barriers and shade, though sunscreen remains essential as UV rays reflect off water, sand, and grass. Application should occur before leaving the house to ensure even distribution and proper film formation for maximum efficacy.

**Back** Apply two 50p-sized blobs. When temperatures rise, men frequently remove their shirts, exposing their backs. This area is the most common site for melanoma in men, whereas legs are the primary concern for women. Men must consistently apply high-factor sunscreen to their backs.

**Chest** Apply one 50p-sized blob. Many women protect their faces but neglect their necks and chests. Neglect in these areas manifests as dark sun spots, depigmented patches, visible thread veins, and textural changes. Over time, chest skin often becomes crepey and rough.

**Arms & Legs** Apply two 10p-sized blobs to each limb. Legs represent the most frequent location for melanoma in women. The backs of the thighs are particularly susceptible to burning because they are difficult to self-apply and remain covered for much of the year. Clinicians frequently treat patients in their 40s seeking to remove sunspots from their lower legs.

**Stomach** Apply one 10p-sized blob.

**Scalp** Apply one 50p-sized blob. Significant sun damage and skin cancer appear frequently on the scalps of men who have lost their hair. Sunscreen use is mandatory in this zone, though wearing a hat is the superior defense.

**Shoulders** Apply two 10p-sized blobs. Similar to the back, shoulders are frequently overlooked. Like the back, legs, and stomach, this area remains covered for extended periods, increasing vulnerability.

**Nose, Ears, and Hairline** Apply a 5p-sized blob to each area. I advise applying two layers to the face several minutes apart to eliminate gaps in coverage. The nose is a high-risk zone for skin cancer due to its protrusion from the body, which exposes it to direct sunlight.

Government directives urging the public to take immediate action against skin cancer are critical, particularly given the severe disfigurement that can result from surgical treatment on the nose. This delicate area lacks sufficient skin for repair, making prevention through strict sun safety protocols a matter of urgent public health importance.

Experts advise applying sunscreen every two hours, a frequency that increases significantly in the central face where sweating is common and skin is oilier. A dual-layer defense is now recommended: a standard chemical sunscreen containing ingredients like octocrylene and avobenzone, combined with a substantial layer of zinc oxide paste. The correct application amount is visually confirmed when the skin turns visibly white, ensuring full coverage. Those engaging in water sports must pay extra attention to keeping their noses and ears white with protection.

The ears remain a high-risk zone, especially for older men. Statistics suggest this demographic is less likely to apply sun cream, often compounded by short hair or bald scalps that expose the skin directly. The danger here is compounded by the fact that skin cancers in this location carry a higher risk of spreading to other parts of the body.

Neglect is also prevalent along the hairline, where few individuals apply product to their parting. Fortunately, new spray formulations offer a less greasy alternative that effectively covers these vulnerable gaps. Similarly, the back of the neck is a classic spot for burns, particularly for those with short hairstyles that leave the skin unprotected.

For the forehead, a small amount of product—roughly the size of a 10p coin per area—is required. However, many athletes avoid applying cream to the upper forehead because it runs during exercise and irritates the eyes. To counter this, zinc oxide creams or sticks are suggested as they are less prone to running. The back of the neck requires similar attention to prevent burning, especially in those with short hair.

The rest of the face, specifically the tops of the cheekbones and the area just below the eyes, represents another common site for sun damage and cancer. People frequently miss these spots due to discomfort near the eyes. Mineral sun creams like zinc oxide are ideal here as they are less irritating, and wearing sunglasses is essential to shield these sensitive areas.

These guidelines come from Dr Justine Hextall, a consultant dermatologist at Tarrant Street Clinic in Arundel, West Sussex. Her advice underscores the need for the public to adapt their daily routines immediately to avoid long-term health consequences.