From April Onwards, Every Hour in the Sun Counts: Why Only a Fraction of Occupational Skin Cancers Get Reported

Yet barely 140 of the latter are formally reported as work?related. That gap — a dark figure that trade unions argue is mirrored across German?speaking Europe — lies at the heart of a fresh push by the IG BAU (Industrial Union for Building, Agriculture and the Environment) to turn a simple sun?safety routine into a mandatory workplace standard.

The union warns that outdoor workers in construction, farming and landscape maintenance face a “significantly increased” risk of cancer from UV exposure. While skin cancer linked to sunlight on the job can already be recognised as an occupational disease — in Switzerland, the accident insurer then covers treatment costs, waives franchise and self?payment, and may trigger daily allowances or disability pensions — the vast majority of cases never get classified that way. The IG BAU insists that preventive measures must be woven into everyday working life, not left to individual initiative.

The IG BAU's push for mandatory sun?safety standards highlights a broader truth: systematic risk management is the foundation of worker protection. A free Health & Safety Toolkit from Health & Safety Adviser provides the risk assessments and checklists you need to identify and control hazards like UV exposure, ensuring compliance with health and safety laws. Download the free Health & Safety Toolkit

The WSS Rule: Water, Sunscreen, Shade

At the centre of the union’s demand is the so?called WSS rule — Wasser, Sonnencreme, Schatten. For employees working under direct sun, the guidelines are concrete: sunscreen with SPF 50, reapplied every two hours; long clothing and helmets with neck flaps; a “beverage flat?rate” of three to five litres per day, ideally a glass of water every 15 to 20 minutes. Breaks should be taken in the shade, and working hours should be flexible enough to avoid the peak radiation period around noon.

The danger period starts as early as April, the union notes, meaning protective measures must be in place for the entire summer half?year — not just during heatwaves.

Screening Under Strain

While prevention is one front, early detection is another — and that system is under growing financial pressure. A Berlin dermatologist recently warned that the current reimbursement of €30 per screening is no longer cost?covering. With practice operating costs running at up to €300 per hour, aesthetic treatments such as Botox injections have become far more lucrative than medically necessary skin?cancer check?ups.

Skin?cancer cases have doubled over the past 20 years, leading to more hospitalisations and deaths. Against this trend, plans to eliminate screening for people under 35 have drawn sharp criticism from doctors and unions alike.

Faced with rising skin?cancer rates and pressure on screening programmes, employers cannot afford to neglect their health and safety duties. A free Health & Safety at Work Act Toolkit offers nine ready?to?use tools, including risk assessments and director liability guides, to help UK companies stay compliant and protect their workforce. Download the free Health & Safety at Work Act Toolkit

Company Initiatives vs. Universal Coverage

Some employers have already launched their own health programmes. The brewery Veltins runs “Veltins Vital”, which includes modules on exercise, nutrition and stress management, plus vitamin?D tests and flu shots. In 2026, the company added cancer screening to the programme for the first time.

Yet experts caution that such isolated initiatives cannot replace widespread, annual skin?cancer checks for every outdoor worker. Without a binding standard — one that embeds the WSS rule and regular screenings into occupational health and safety law — the rising number of cases is likely to keep climbing, one unreported sunburn at a time.

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