The monitor/wristband will work by changing colour from yellow to pink as your risk of sunburn increases. ” It operates through an acid-release agent which picks up ultraviolet light and a dye which responds to pH levels in the indicator. The agent is decomposed by sunlight, leading to the rapid change in colour”.
And since there are approximately 200,000 new cases of malignant melanoma diagnosed globally every year….I think that there is a HUGE market for this invention.
Reference
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