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Repeated measurements of facial skin characteristics using the Janus‐Ⅲ measurement system

For personalized skin care, noninvasive quantitative methods to evaluate facial skin characteristics are important. Janus‐III is one of the most widely used imaging analysis devices in the skin care industry in Korea. Janus‐III generates values for a range of skin characteristics. Due to the convenience of obtaining results for a variety of skin characteristics in a single measurement, the use of Janus‐III in cosmetic stores and research institutes has been recently increasing. However, the consistency of skin measurements of Janus‐III has not been elucidated yet.