Those of us who do our own work on our boats face a host of safety issues. Not the least of these is protecting out hands. Paints, solvents and sensitizing chemicals are prevalent. Repeated or prolonged use of many of the solvents in these products can remove skin oils, producing dermatitis (dryness, irritation, redness and cracking of the skin. Exposure to uncured epoxy can cause the user to become sensitized to the epoxy. Once that happens, you will never be able to use epoxy again..