Can You Get Skin Cancer Without Getting Sunburnt?

Yes. You can develop skin cancer even if you rarely—or never—remember having a significant sunburn.

Sunburn is certainly a sign of excessive ultraviolet (UV) exposure and increases the risk of skin cancer. However, it is only part of the story. Repeated UV exposure over many years can damage the DNA of skin cells without causing obvious sunburn. This cumulative damage can eventually contribute to skin cancers such as basal cell carcinoma (BCC), squamous cell carcinoma (SCC), and melanoma.

This is particularly relevant in Australia. In a high-UV environment such as Brisbane, even relatively short periods outdoors—driving, walking, gardening, exercising or simply going about your daily activities—can add to your lifetime UV exposure. You do not need to become red or blistered for UV damage to occur.

What about melanoma?

Melanoma is strongly associated with UV exposure, but the relationship is more complex than simply how often someone has been sunburnt.

Melanoma can occur in people with different skin types, including people with naturally darker skin. It can also occasionally develop in areas that receive little direct sunlight.

A well-known example is Jamaican musician Bob Marley, who developed acral lentiginous melanoma beneath a toenail on his right foot. The melanoma ultimately spread to other parts of his body, and he died in 1981 at only 36 years of age.

His story is an important reminder: no skin type makes someone completely immune to melanoma.

What should you look for?

Pay attention to any new or changing spot, particularly one that looks different from your other moles. Changes in size, shape, colour, elevation, bleeding or persistent symptoms deserve assessment.

And remember: the absence of sunburn does not mean the absence of sun damage.

Regular self-examination, appropriate sun protection and professional skin assessment based on your individual risk remain important parts of early skin cancer detection.

Dr Colin McTari

Skin Doctor, Brisbane

Fellowship of Dermatology (FAAD)