Healthy adults
Conditions
Interventions
24h-closed patch of extract (cosmetic materials) on the back and upper arm. Remove the sample after 24 hours. This is done three times a week for three weeks, for a total of nine times.
Sponsors
701 Research Inc.
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1) Healthy Japanese men and women aged 20 to 65 who do not violate the exclusion criteria 2) The person who have no experience of strong rashes caused by cosmetics in the past 3) The person who agree to participate in the exam after showing their intention to participate in the exam and understanding the explanation. 4) The person who can read, write and communicate in Japanese
Exclusion criteria
Exclusion criteria: 1) The person who are currently attending dermatology 2) The person who currently have allergic skin diseases such as atopic dermatitis 3) The person who currently have skin diseases or damage on the skin of the test site 4) The person who have had psoriasis now or in the past 5) The person who are allergic to drugs and cosmetics or have an idiosyncratic constitution 6) The person who have visited the hospital due to problems with drugs and cosmetics in the past 7) The person who are pregnant, lactating, or who have a plan to become pregnant during the test 8) The person who have a disease for which the permission of the study doctor cannot be obtained, or who have a medication (anti-inflammatory drug, antiallergic drug regular use, etc.) 9) The person who have not passed at least 4 weeks since the end date of the patch test of the previous participation 10) The person who are sensitive to tape
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Confirm skin reaction (contact dermatitis) 24h-closed patch of extract (cosmetic materials) on the back and upper arm. Remove the sample after 24 hours. This is done three times a week for three weeks, for a total of nine times. | — |
Countries
Japan
Contacts
Public Contacthiroki kaneko
Nichirei Biosciences INC. Functional Materials
Outcome results
None listed