3. safety evaluation > (5) Examination of the stimulus characteristic
|earthplusTM Examination of the stimulus characteristic presence
|To Shinshu Ceramics Co.,Ltd.
Public Interest Incorporated Association :
The Japan Hair Scientific Association
Chairman: Dr.Yasushi Watanabe
Examination of the stimulus characteristic presence for the skin of the healthy person
3: Test method
Test subject : 12 men and 13 women, Total 25
Age from 27 to 61 years old
(1) Size of fabric(cloth): 10 X 10mm
(2) Test method: Using the small piece of 10X 10mm and the tape of
fin chamber (EPITEST Ltd.Oy production), onto around the upper arm
bending inner side section, the above 2 were stuck in a blockade method
for 48 hours and the result was evaluated.
i.e. after the above sticking of 48 hours, the sample was removed and
(1) after 1 hour (2) after 24 hours, the state of the respective skin was
observed and the judgment was delivered.
4: Test Result
The result of the patch test to the 25 test subjects is shown in the attached
i.e. after the sample removal, the above (1) (: after 1 hour)(in the attached
table , shown as judgment time 48 hours), the reaction was entirely all
negative. Also, the reaction of the above (2) (: after 24 hours)( in the
attached table, shown as judgment time 72 hours) was entirely all negative
and abnormality was not recognized.
As for the result of the patch test which is executed on the basis of the request of your company : as described above, and as for the sample which is submitted <earthplusTM fabric (cloth) > it is considered
that this product has a mild possibility of causing the stimulus reaction.
I hereby confirm that this material is compiled upon the basis of the test result