Healthy adults
Conditions
Interventions
Clean the tongue once a day for 2 weeks using a tongue brush
Sponsors
Kao Corporation
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Healthy adults
Exclusion criteria
Exclusion criteria: -Subjects who hospitalized or taking medication for chronic diseases (diabetes, heart / kidney / liver disease, congenital heart disease) -Subjects with disease in nose -Subjects who dislike perfume, or other odor substances -Subjects who are hypersensitive to chemicals -Subjects who are undergoing a hormone replace therapy -The pregnant and potentially pregnant, subjects in nursing -Subjects with an infectious disease -Subjects who take an antibiotics from 3 weeks before the screening test -Subjects with obvious intraoral injury -Subjects who are attending a dental clinic and receiving oral treatment -Subjects who are cleaning their tongue everyday -Subjects who cannot suspend tongue cleaning from the acquisition date of informed consent -Subjects with smoking habit -Subjects deemed inappropriate to participate in this study by the principle investigator
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Analysis of olfactory sensitivity | — |
Countries
Japan
Contacts
Public ContactChisaki Uehara
Kao Corporation Sensory Science Research
Outcome results
None listed