Inventors:
Frank D. Barbuscio - Wayne NJ
LeRoy Hunter - Randolph NJ
Joseph C. Hourihan - Little Falls NJ
Mary C. Inglis - Nutley NJ
Helen E. Oberstar - Montville NJ
Hosny Saad - Ramsey NJ
Assignee:
American Cyanamid Company - Stamford CT
International Classification:
G01N 2101
Abstract:
An indicating device for determining the dry, normal or oily characteristics of human hair and scalp. More particularly, an indicating device comprising an oil absorbent indicating material, treated with an oil-soluble dye, surrounded by an oil permeable membrane. The invention additionally relates to a method for determining the dry, normal or oily characteristics of the hair and scalp.