Human Hand Acid Abuse Test

Test Objective:
To ascertain the effectiveness of SyDERMA® to serve as a skin protectant against potentially harmfully environmental substances.

Test Method:
Test subjects washed and dried their hands. SyDERMA® was applied to the palms of their hand and allowed to dry. 0.1 ml of 40% Hydrochloric Acid (HCl) was placed on the palm of one hand. The HCl was rinsed with water after 2 minutes and the test subjects washed and dried their hands. These subjects were instructed to perform their normal routines, including washing their hands.
Application of the HCl was repeated at the below indicated time intervals and the results recorded for each application.

Interpretation of Assay:
Each Test Subject was observed for any indication of skin redness, skin irritation or skin burning. If no redness, irritation or burning was indicated; an observation of "Pass" was recorded for that observation.

Test Results:
SyDERMA®, when applied to the skin according to directions and allowed to dry thoroughly, served as a skin protectant against 40% Hydrochloric Acid over a period of 6 hours.

Observations:

Elapsed Time	Test Subject #1	Test Subject #2	Test Subject #3
0 Hours	Pass	Pass	Pass
1 Hours	Pass	Pass	Pass
2 Hours	Pass	Pass	Pass
4 Hours	Pass	Pass	Pass
6 Hours	Pass	Pass	Pass