Healthy adults
Conditions
Interventions
Use two kinds of shampoo on each (left and right) side of head to wash the hair
Sponsors
Kao Corporation
Eligibility
Sex/Gender
Male
Inclusion criteria
Inclusion criteria: -Healthy males(20~39 years old) -Subjects who can provide consent on a voluntary basis before this study starts
Exclusion criteria
Exclusion criteria: -Subjects with heart, lungs, kidney, liver, blood, endocrine, skin or other severe diseases -Subjects with atopic dermatitis, seborrheic dermatitis on test area - Subjects who could cause skin allergy by shampoo -Subjects with external injury, surgical treatments on test area -Subjects with experience of erythema or rash by ethanol -Subjects whose hair was chemically treated in a week before the start of this study -Subjects deemed inappropriate to participate in this study by the principle investigator -Subjects with symptoms of fever, cough or dyspnea in the past 2 weeks -Subjects considered to be close contacts of COVID-19 infection patients
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Evaluation of the changes in sebum amount and composition before and after using the shampoos | — |
Countries
Japan
Contacts
Public ContactChen Li
Kao Corporation Hair Care Products Research
Outcome results
None listed