Effects of medicated cosmetics containing royal jelly for skin conditions - Effects of medicated cosmetics containing royal jelly for skin conditions

The following exclusion criteria apply to subjects. 1) Constantly use cosmetic that contain the ingredient involved in this study. 2) With cosmetic allergies. 3) Visit dermatology department (for the purpose of treating atopic dermatitis etc.). 4) With inflamed or scraped skin on the measuring area. 5) Conducting hormone replacement therapy. 6) Have got cosmetic surgery which would affect the measuring area. 7) Will get sunburned during the test period. 8) Will receive special treatment (facial esthetics, epilation etc.) during the test period. 9) Can not maintain regular lifestyle. 10) Have an irregular habit because of working at night or working under work-shift form. 11) Drink more than 500 mL of beer equivalent daily. 12) Have been smoking (including electronic cigarettes) for 3 months prior to obtaining consent 13) Participated in other clinical trial within 1 month. 14) Working at the health food, cosmetics or pharmaceutical company. 15) Constantly use cosmetic, quasi-drugs, healthy foods that may affect the test. 16) Deemed inappropriate to participate in this study by the principle investigator.