Method for distinguishing cosmetic sticks containing water

Details Method for distinguishing cosmetic sticks containing water Method for distinguishing cosmetic sticks containing water

1991-06-28

1993-12-14

Alexander, Lyle A.

Chemistry: analytical and immunological testing

Determination of water

422 56, 422 57, 436169, 436 41, G01N 3318, G01N 2181

Patent

active

052702090

ABSTRACT:
A method and article is provided for distinguishing cosmetic sticks, especially lipsticks, containing water from those where water is absent. The method involves applying a test stick to a test paper or fabric impregnated with an indicator compound capable of changing color, forming a smear of the stick thereon and observing any change in color around an area of the smear.

REFERENCES:
patent: 2214354 (1940-09-01), Snelling
patent: 2249867 (1941-07-01), Snelling
patent: 2643230 (1953-06-01), Mooradian et al.
patent: 3881873 (1975-05-01), Klowden
patent: 5096813 (1992-03-01), Krumhar et al.

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