Skin moisturizing effect of oral intake of soy isoflavone.

UMIN ID: UMIN000015027

Registered date:03/09/2014

Basic Information

• Recruitment status: Complete: follow-up complete
• Health condition(s) or Problem(s) studied: water content of stratum corneum
• Date of first enrollment: 2014/09/04
• Target sample size: 24
• Countries of recruitment: Japan
• Study type: Interventional

Intervention(s)

soy isoflavones blended drink
Placebo drink

Outcome(s)

• Primary Outcome: water content of stratum corneum

Key inclusion & exclusion criteria

• Age minimum: 20years-old
• Age maximum: 40years-old
• Gender: Female
• Exclude criteria: 1)Persons who always took supplements that may affect the test results (isoflavone, equol, etc.) 2)Persons who took medicines that may affect the test results (estrogen, etc.) 3)Persons with a risk of allergy to test drink(soy) 4)Persons who had severe anemia 5)Persons who were under the care of a doctor for treatment of a disease or its prevention (hormone treatment, medicinal treatment, exercise treatment, diet treatment, etc.) or needed such treatments 6)Persons who had or previously had severe disease of the liver, kidney, heart, circulatory system, respiratory system, endocrine system, nervous system, sugar metabolism, lipid metabolism, alcoholism, chemical poisoning, etc. including those who were positive for hepatitis virus 7)Persons who attended dermatology clinics 8)Persons who had factors on the skin of the evaluation sites, which may affect the test results (diseases such as atopic dermatitis, urticaria, etc., inflammation, eczema, injury, acne, pimples, warts, blemishes, etc, or scars thereof) 9)Persons who have had special skincare procedures (beauty salon, esthetics salon, etc.) on the evaluation sites performed within the past 4 weeks or who plan to undergo such procedures during the test 10)Persons who had ultraviolet exposure that exceeds a normal lifestyle quota, such as working, exercising, swimming, or undertaking leisure activities for long hours outdoors, or intend to undertake such activities during the test 11)Persons who work nightshift or alternating day and night shifts 12)Persons who have participated in other clinical trials within the past 4 weeks or who intend to participate in other clinical trials during the scheduled period of this test (all clinical trials using cosmetics, foodstuffs, drugs, quasi-drugs, medical devices, etc.) 13)Persons deemed by the principal investigator (or study supervisor) to be inappropriate for participation in the test

Related Information

• Primary Sponsor: Noevir Co., Ltd.
• Source(s) of Monetary Support: Noevir Co., Ltd.