Is LED Bio Light Therapy treatment painful? No. Your skin will warm very slightly, as that is how the treatment works. It is not painful. By La Mano|2019-06-29T18:34:10+06:00June 29th, 2019|LED Bio Light|0 Comments Share This Story, Choose Your Platform! facebooktwitterlinkedinredditwhatsapptumblrpinterestvkEmail About the Author: La Mano Leave A Comment Cancel replyComment Save my name, email, and website in this browser for the next time I comment.