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Self-checks

Sun and skin care self-check

A short self-check on sun exposure and skin care habits for life in Thailand's tropical climate.

3-5 minutes15 questions

Think back over the past month, covering time spent outdoors whether for work, errands or travel. Rate how often each statement applied to you, including days when you barely noticed the sun because you were busy. Skin changes and sun habits both matter here, not just how tanned or burnt you feel right now.

Sun exposureProtection habitsSkin changes

This is an original set of questions for self-observation. It is not a dermatology screening tool and it does not diagnose skin cancer, sun damage or any skin condition. A new mole that changes shape, colour or size, or a sore that will not heal, should be checked by a doctor rather than tracked here.

Sun exposure that adds up quietly

A short walk to lunch or a market stall barely registers in the moment, but repeated daily exposure across weeks and months is what actually shapes skin health here.

Local habits worth noticing

Many residents in Thailand actively avoid direct midday sun, a habit visitors sometimes miss until their own skin starts reacting to the difference.

Changes are worth tracking

New spots, uneven patches or a mole that looks different from the others are the kind of change a dermatology clinic is set up to assess properly.

Sun intensity that does not take a season off

Thailand sits close enough to the equator that UV levels stay high across most of the year, unlike climates with a clear winter lull. Visitors arriving from a temperate country sometimes underestimate how quickly midday sun can affect skin here, since the sensation of heat is not always a reliable guide to UV strength, especially on a cloudy or hazy day. A short errand at midday can expose skin to more UV than a full afternoon outdoors back home. This is part of why sun protection in Thailand tends to be a daily habit rather than something reserved for the beach.

How locals manage sun exposure

It is common to see Thai pedestrians carrying umbrellas on sunny days, wearing long sleeves in the heat, or timing outdoor errands for early morning and evening. This is less about fashion and more a practical response to living with strong sun year-round. Shops sell a wide range of sunscreens, sun sleeves and wide-brimmed hats, and many workplaces and street vendors set up shade structures as a matter of course. Visitors who adopt some of these habits, rather than relying on sunscreen alone, often find it easier to manage long days outdoors.

When a skin change is worth a clinic visit

A dermatology clinic can assess a new or changing mole, a persistent rash, or a sunburn pattern that does not fade as expected, none of which this self-check can evaluate. Thailand has both public hospital dermatology departments and private clinics, with private clinics generally offering shorter waits and English-speaking staff at a higher cost. If you notice a spot that has changed shape, colour or size over a few weeks, or a sore that has not healed, that is a reasonable prompt to book an appointment rather than wait and see.

Before you start

Does this test tell me if I have sun damage?

No. It only reflects habits and changes you have noticed yourself over the past month. Assessing sun damage or a suspicious skin change needs an in-person look by a dermatologist, sometimes with magnification tools this self-check cannot replace.

Is sunscreen enough on its own here?

Sunscreen helps, but many residents pair it with shade, long sleeves or timing outdoor activity around the strongest midday sun. Relying on sunscreen alone, especially if it is not reapplied through the day, often leaves gaps in protection.

How often should I check my skin myself?

A monthly glance at your skin, paying attention to new spots or changes in existing ones, is a reasonable habit for most people. If you have a personal or family history of skin cancer, ask a doctor how often they recommend a professional check instead.