On both thumbs and forefingers, but especially on my right thumb, I have patches of thick, dry, rough skin on the fingertips near the tips of the nails. It is not at all painful or tender, but it does tend to crack and peel, which is a concern for me because I am a massage therapist, and the cracked edges of the dry skin can feel very sharp on my clients' skin. These patches are also thick and presumably dead enough that I can remove them with nail clippers without any pain or discomfort, but they seem to come back just as rough and dry as before. BTW, regarding habits that may contribute: Due to my profession, I keep my nail very short and I don't use nail polish. I also wash my hands constantly, and I am exposed to massage lubricants, but those are all hypoallergenic.