abstract |
The present invention provides a means for fundamentally and efficiently preventing and / or improving gray hair. An agent for suppressing differentiation of pigment stem cells in the hair follicle bulge region, an agent for preventing and / or improving white hair, and CXCL12, characterized by containing CXCL12 (stromal cell-derived factor-1) as an active ingredient. Method for evaluating whitening of hair, and a method for screening for a substance for preventing and / or improving white hair. [Selection figure] None |