None listed
Conditions
Interventions
Sponsors
Kao Corporation
Juntendo University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Japanese men and women aged 20 to 59 years old
Exclusion criteria
Exclusion criteria: 1. Individuals who do not have any awareness of allergy-related symptoms. 2. Individuals who may exhibit allergic symptoms in response to food. 3. Individuals with skin diseases, liver, kidney, or heart diseases, respiratory disorders, endocrine disorders, metabolic disorders, neurological disorders, consciousness disorders, diabetes, or other medical conditions. 4. Individuals who have undergone surgery due to illness or injury within the past two months. 5. Individuals who have experienced discomfort or deterioration in health due to blood sampling in the past. 6. Individuals who have donated blood exceeding 200 mL within one month prior to the start of the trial, or over 400 mL within three months prior to the trial. 7. Individuals receiving pharmacological treatment. 8. Individuals with a habit of continuously consuming flaxseed oil, perilla oil, or DHA|EPA supplements, or who plan to do so during the study period. 9. Individuals whose daily alcohol consumption exceeds an average of 60 g|day. 10. Individuals engaged in sun exposure activities or who plan to participate in such activities during the study period. 11. Individuals who have experienced a weight change of 3.0 kg or more in the month prior to the study participation. 12. Individuals with a BMI of less than 18.5 kg|m2 or 30.0 kg|m2 or greater. 13. Individuals who have plans for long-term business trips. 14. Individuals with a smoking habit. 15. Individuals who will undergo aesthetic or medical beauty treatments on the study areas. 16. Individuals who intend to use skincare products targeting skin roughness on the study areas. 17. Individuals who have been infected with infectious diseases. 18. Individuals who are pregnant or may become pregnant. 19. Individuals who are not on a day shift. 20. Individuals who plan to participate in other clinical studies. 21. Individuals deemed unsuitable for participation in the study by the principal investigator or research director for other reasons.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Redness of the face | — |
Secondary
| Measure | Time frame |
|---|---|
| -Skin color (L value, a value, b value, etc.) -Blood Allergy Markers -Blood Test and Analysis -Sebum Analysis Data -Fecal Microbiota Analysis Data | — |
Countries
Japan
Contacts
Public ContactYoshie Shimotoyodome
Kao Corporation Human Health Care Products Research
Outcome results
None listed