Healthy subject
Conditions
Interventions
Continuous consumption for 12 weeks of a beauty supplement containing the test substance
Continuous consumption for 12 weeks of Placebo supplement
Sponsors
SHISEIDO CO.,LTD.
Eligibility
Sex/Gender
Female
Inclusion criteria
Inclusion criteria: Persons who meet all of the following conditions will be selected. 1. 1. Persons who have indicated their willingness to participate in the study and who have given written consent to participate in the study based on their understanding of the explanations provided. 2. Healthy women residing in Japan (whose nationality is within the Asian region) 3. Women between the ages of 30 and 49 years old. 4. women with skin concerns such as skin lightness, dullness, blotches, etc. 5. Women who are aware that they fall under skin phototypes II or III. 6. who can agree to apply the specified sunscreen 7. Those who are able to fill out the consent form, questionnaire, daily logbook, etc. Photoskin Type Cited from the website of the Japanese Dermatological Association
Exclusion criteria
Exclusion criteria: Persons who meet at least one of the following conditions are excluded. 1. Persons with freckles, etc. that make measurement of the test site difficult. 2. Smokers 3. Persons with a history of hypersensitivity to food or food allergy. 4. Patients with a history or current history of serious disorders of the liver, kidney, heart, lungs, blood, etc. 5. who have a history of co-morbidities or serious illnesses in the digestive organs 6. who are currently visiting the hospital and using or planning to use medicines or supplements. 7. who take or plan to take health foods, functional foods, or foods for specified health uses on a daily basis. 8. Persons who take or plan to take supplements or medicines containing ingredients such as vitamin C and L-cysteine (e.g., Chocola BB, Haitior C, Transino, Chimie White, and other "medicines effective against freckles and spots," and products with the trade names Mastigen BB Jelly, Chocola BB Plus, VitaSuppli B26L, Yokuinogen BC Tablets Pair Kampo Extract Tablets Pair A Tablets Haitior B Clear and other "drugs for acne") on a daily basis. 9. 9. who is currently participating in a medical, pharmaceutical, cosmetic, or food study, or who has participated in a similar study and has not completed it for at least 6 months, or who is scheduled to participate in it within this year. 10. a family member, including the participant, who is employed by a cosmetics, pharmaceutical, or food company. 11. who is pregnant or planning to become pregnant, or who is breast-feeding 12. Drinks alcohol every day (occasional moderate drinking is acceptable). 13. Those who consume excessive amounts of spicy food. 14. Persons who are likely to change their lifestyle during the study period. 15. who are using a skin whitening serum (quasi-drug) etc.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Skin tone and transparency are measured every 4 weeks up to 12 weeks after the start of treatment | — |
Secondary
| Measure | Time frame |
|---|---|
| VISIA-Evolution imaging and analysis Blood index Urinary index Blemish evaluation by a physician or skin tone evaluation | — |
Countries
Japan
Contacts
Public ContactKanako Sakurai
Inforward, inc Ebisu skin research center
Outcome results
None listed