Toasted Skin Syndrome from Laptop Heat

toasted skin syndrome
toasted skin syndrome
Heat from your laptop can lead to Toasted Skin Syndrome.

You may have noticed that when you have a laptop computer on your lap, your legs can get very warm. This could be a warning sign.

If your laptop is hot enough and you use it over a long period of time, the radiating heat can cause a strange discoloring mottled skin condition called ‘Toasted Skin Syndrome‘. Under a microscope, Toasted Skin Syndrome resembles skin damaged by long-term sun exposure, and can be very long-lasting.

Toasted Skin Syndrome Cases and Studies

There have been many medical reports about Toasted Skin Syndrome. Several years ago, studies found that men who used laptops on their laps had elevated scrotum temperatures which can decrease sperm production, potentially causing infertility. In one case, Dr. Kimberley Salkey treated a student with a strange skin condition, but wasn’t sure what it was. After questioning, the student shared that he used a laptop computer in his lap for up to 6 hours a day. When tested, the temperature underneath the computer was measured at 125º. The student’s skin condition turned out to be Toasted Skin Syndrome.

In another case, Swiss researchers Dr. Andreas Arnold and Dr. Peter Itin reported the case of a 12-year-old boy who developed a sponge-patterned skin discoloration. The researchers found that his left thigh had the most skin damage, coincidentally, the same leg that he played computer games on a few hours every day.

The researchers found it wasn’t skin cancer linked to laptop use, however, they concluded it was Toasted Skin Syndrome and recommend placing a carrying case or other heat shield under the laptop for safety protection.


Toasted Skin Syndrome has been around a long time. In the past, this condition was only observed in people exposed to high heat sources like ovens and stoves. However, with laptops being used directly against the body, more cases of Toasted Skin Syndrome skin are emerging. To be safe, either avoid prolonged close contact with laptops, or use the DefenderPad laptop heat shield to avoid Toasted Skin Syndrome. Your legs and laps will thank you.

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