None listed
Conditions
Interventions
Stinging test: Apply aqueous solution A to one cheek and wipe off after 3 minutes. Then apply an aqueous solution B to the opposite cheek and wipe off after 3 minutes. Aqueous solutions C and D and a
Apply Serum D to all faces twice a day, and repeat this procedure three times.
Sponsors
Kao Corporation
Eligibility
Sex/Gender
Female
Inclusion criteria
Inclusion criteria: 1. Healthy female aged 20-60 2. Person who are aware of sensitive skin 3. Person who fall under one or more of the following a or b: a. Choose and use products that seem to be cosmetics for sensitive skin b. Have felt irritation with a product used on the face within the last 5 years 4. Person who fall under any two or more of the following A-E: A. Person who are aware that their facial skin is dry B. Person who have experienced redness, dryness, or irritation from products used on the face so far C. Person who feel skin problems during certain seasons or changes of seasons D. Person who are aware that changes in their physical condition (lack of sleep, fatigue, stress, etc.) are likely to lead to skin problems. E. Person who are prone to allergic symptoms (seating, sneezing, rhinitis, etc.) 5. Person who use face wash more than 5 days a week
Exclusion criteria
Exclusion criteria: 1. Person who are pregnant, breastfeeding, or may become pregnant in the near future. 2. Person who have an underlying disease. 3. Person who have skin symptoms that may interfere with the ability to accurately judge discomfort such as strong sunburn, wounds, and acne at the test site by visual observation of the test investigator. 4. Person who are currently undergoing outpatient treatment for atopic dermatitis. 5. Person who currently have allergic symptoms (hay fever, allergic rhinitis, etc.). 6. Person who are currently undergoing facial skin treatment. 7. Person who have participated in other exams. 8. Person who have had fever or respiratory symptoms in themselves or a family member living with them during the two weeks before the start date of the measurement, or those who have been in close contact with a person infected with the new coronavirus. 9. Person who plan or wish to be vaccinated against the new coronavirus infection from 2 weeks before the study participation to the end of the study. 10. Person who are wearing pacemakers and implantable spinal cord stimulators. 11. Person who are judged by the principal investigator or the person in charge of conducting the study to be inappropriate.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Skin feelings of stimuli. | — |
Countries
Japan
Contacts
Public ContactRie Ninomiya
Kao Corporation Safety Scinence Research Lab.
Outcome results
None listed