FIELD: cosmetics. SUBSTANCE: method involves applying natural dyes on fibers and fiber treatment with gas. Hair treated with the staining composition containing at least one natural dye were treated with gas that contains steam at temperature 75 C, not below, for 2 min, not above. Gas temperature is 85 C or above, for example, at the range 85-150 C. EFFECT: improved method of staining. 11 cl
Authors
Dates
1997-11-10—Published
1994-12-21—Filed