Any apoptotic process in a keratinocyte. A keratinocyte is an epidermal cell which synthesizes keratin and undergoes a characteristic change as it moves upward from the basal layers of the epidermis to the cornified (horny) layer of the skin. [ http://www.ncbi.nlm.nih.gov/pubmed/10201527 http://purl.obolibrary.org/obo/CL_0000312 GOC:mtg_apoptosis GOC:jc ]

This is just here as a test because I lose it