PHARMACEUTICAL OR COSMETIC COMPOSITION CONTAINING NICOTINIC ACID ADENINE DINUCLEOTIDE PHOSPHATE OR DERIVATIVE THEREOF

摘要

The present invention relates to a use of nicotinic acid adenine dinucleotide phosphate or a derivative thereof for promoting the differentiation of keratinocytes into fibroblasts. The present invention provides a pharmaceutical or cosmetic use of a composition containing NAADP or a derivative thereof for regenerating and improving a skin barrier, or preventing, improving or treating stratum corneum disorders such as psoriasis or atopy, and a use for promoting the differentiation of separated keratinocytes.