Methods of preparing bleach paste for and applying it to hair

Details Methods of preparing bleach paste for and applying it to hair Methods of preparing bleach paste for and applying it to hair

1976-05-21

1978-09-26

Tollberg, Stanley H.

Dispensing

Collapsible wall-type container

132 7, B65D 3544

Patent

active

041163656

ABSTRACT:
A method of preparing bleach paste of bleach powder fine enough to cause a dust problem and a liquid developer which comprises prepackaging the dusting powder in unit quantity in a flexible plastic bag having an opening in the wall thereof that may be closed, introducing liquid developer into the bag through the opening in quantity sufficient to form a paste of desired consistency when thoroughly mixed, and mixing the powder and liquid by manipulating the bag while maintaining the opening closed to prevent the escape of dust into the atmosphere. The paste may then be dispensed directly from the opening onto hair to be bleached thereby.
This method of applying bleach directly onto the hair from a flexible bag through a suitable opening may also be carried out if the paste is prepared in ways other than manipulating a bag that contained a prepackaged unit quantity of bleach powder. Thus, the bag is first provided with a quantity of the bleach paste, whether by manipulation of prepackaged powder with developer or by introduction of paste prepared outside the bag, then pressure is applied outside the bag, e.g., by squeezing it, to extrude paste from it through a discharge orifice. The discharged paste is applied directly onto the hair. The spreading of the paste on the hair may be assisted by a penetrating spreading means such as a brush or a comb.

REFERENCES:
patent: 2133638 (1938-10-01), Singerman
patent: 2939615 (1960-06-01), Lerner
patent: 3015386 (1962-01-01), Maynier et al.
patent: 3261381 (1966-07-01), Roach
patent: 3596801 (1971-08-01), Barnack
patent: 3651990 (1972-03-01), Cernei

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