The present disclosure is generally related to methods of inducing non-palmoplantar skin to develop a palmoplantar phenotype, for example, methods for increasing skin thickness, decreasing skin pigmentation, and/or decreasing hair growth. In particular, disclosed herein are methods of using topical administration of DKK1 to increase skin thickness, decrease skin pigmentation, or reduce hair growth. Also disclosed are topical DKK1 compositions for inducing non-palmoplantar skin to develop a palmoplantar phenotype.