1. Development of emulsion-stick based on the physiology of lips;Ikeda;Fragr. J.,1992
2. Study on lip surface-characteristics of stratum corneum and corneocytes on lip;Arai;J. Jap. Cosmet. Sci. Soc.,1990
3. Study on lip surface-characteristics of chapped lip;Arai;J. Jap. Cosmet. Sci. Soc.,1989
4. Functional properties of the surface of the vermilion border of the lips are distinct from those of the facial skin;Kobayashi;Br. J. Dermatol.,2004
5. Development of lip treatment on the basis of desquamation mechanism;Hikima;IFSCC Mag.,2004