The Effect of Essential Oil of Hinoki Cypress on Anti-atopy and Skin, Poster Board #079

Activation effect of suppression of propagation against skin pathogens was researched with natural essential oil extracted from hinoki cypress leaves and fruits through steam distillation method. T50 µ·(/mL) concentration of natural essential oil had suppressed the germ that causes atopy most effectively. For Staphylococcus aureus, essential oil of hinoki cypress leaves showed the biggest antibacterial effect with diameter of 11.6 mm and essential oil of hinoki cypress fruits was also effective with 8.3 mm. For Staphylococcus epidermidis, the antibacterial effect was somewhat low with 5.5–6µ®. With 100% unprocessed jojoba oil, the mixed oil that added 5% of each natural essential oil of hinoki cypress leaves and fruits to 95% of jojobar oil was measured on forearm and cheek as a measuring specimen. The cleansed skin before measurement was set as the control group and the mixed oil was applied. As a resulting verifying the skin after 6 hours, both essential oil of hanoki cypress leaves and fruits showed the improved effect on moisturization of skin of forearm with 9 (g/h/µ³). Melanic pigments have increased in cheek but it has decreased to the insignificant degree in forearm. Erythema on both cheek and forearm has greatly improved with the average difference of over 36.21–34.0.