Experience as a pale, unsupervised photochem grad student leads me to believe that short wave UV evokes a tingly feeling in the short term, longer wave UV evoke

Experience as a pale, unsupervised photochem grad student leads me to believe that short wave UV evokes a tingly feeling in the short term, longer wave UV evokes a more burny feeling and long ir evokes deep tissue heating (still useful in the winter, but just get a space heater)