A young man has been left red in the face after making an amateur mistake in the Dublin heat.
We can all be forgiven for forgetting the factor 50 - but not many will end up with a famrer's tan quite like this!
Leon, from Dolphins Barn, has rocked the lobster look as the heatwave has taken over Dublin this week.
His Mum Triona sent us in the photo saying he's been sick all days as the pain kicks in.
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Hopefully the 15-year-old will heal up soon - because the rest of the week is set to be a scorcher!.
Met Eireann have said Thurday will see a mix of cloud and sun with a sligh risk of shower in the afternoon.
Tempertures will be right up to 19 degrees with a cool breeze near the coast.
They said: "Thursday will bring a mix of cloud and sunny spells. Staying dry in most parts but a few rain showers may develop during late afternoon and evening.
"Highs of 17 to 19 Celsius generally in light to moderate east to southeast breezes but it will be a little cooler near the coast."
Sun cream tips
Even if you religiously slather on the factor 30, however, there is one common "danger area" that many of us repeatedly miss.
And it could be bad news.
Consultant dermatologist Dr Justine Kluk says: "A common area that we often miss when we're applying our SPF is our feet, especially if we have the tendency to tan naturally."
As for the consequences of not protecting the skin on our feet, Dr Kluk tells The Sun :
"You're way more susceptible to skin cancer,"
"And, in fact, the sun is so strong that if your skin burns during childhood, you could be double as likely to develop melanoma as an adult."
Tanning isn't all it's cracked up to be either.
Dr Kluk adds: "Tanning is actually a sign that the skin has gone into defence mode.
"A tan actually shows that the skin has gone into overdrive to produce its natural hormone that helps shield it from the sun - melanin - which means that a tan is actually a sign of sun damage."
