We are now accepting patch tests for COVID-19 sterilization related products. Please contact us.

 Business lineup 

Patch test(Safety Test)

efficacy testing

Occlusion / 24 hours, 48 hours, for quasi-drug application.
In addition to the usual 20, 30, and 40-person tests, preliminary tests with 10 people are also available.
Testing is conducted throughout the year.


Open Patch Testing

Test conditions can be discussed depending on the specimen.


RIPT(Cumulative skin irritation and sensitization test)

Conducted 5 to 6 times a year in-house. 
Please inquire about the timing of implementation.
Conducted by approximately 50 Japanese employees.
"Allergy tested" can be indicated.


Safty Use Testing

The safety of the product is evaluated through interviews and medical examinations by each specialist before and after the actual use of the product. In combination with the patch test, the safety of the product can be assessed more reliably.


We are also conducting tests on sensitive skin subjects.


Actual use safety tests have also been conducted by dermatologists and ophthalmologists.

We can propose various testing methods and conditions depending on the test samples. Please do not hesitate to contact us.
We will also do our best to meet your delivery schedule.