METHOD AND DEVICE FOR PREVENTING AND/OR IMPROVING PHOTOAGING AND/OR DERMAL PIGMENTATION, ANTI-PHOTOAGING AND/OR DERMAL PIGMENTATION INHIBITING AGENT, METHOD FOR SCREENING ANTI-PHOTOAGING AND/OR DERMAL PIGMENTATION INHIBITING AGENT, METHOD FOR EVALUATING ANTI-PHOTOAGING AND/OR DERMAL PIGMENTATION INHIBITING COSMETIC TREATMENT, AND METHOD FOR EVALUATING PHOTOAGING AND/OR DERMAL PIGMENTATION

摘要

[Problem] To provide a method, a device, and a drug for preventing and/or improving photoaging and/or dermal pigmentation, a method for screening an anti-photoaging and/or dermal pigmentation inhibiting agent, a method for evaluating anti-photoaging and/or dermal pigmentation inhibiting cosmetic treatment, and a method for evaluating photoaging and/or dermal pigmentation. [Solution] Photoaging and/or dermal pigmentation can be prevented and/or improved by adjusting M1/M2 balance. Photoaging and/or dermal pigmentation can be objectively evaluated with the M1/M2 balance as an index, and drugs and cosmetic treatments for preventing and/or improving photoaging and/or dermal pigmentation can be searched for on the basis of such method.