| 摘要 |
PCT No. PCT/AU88/00086 Sec. 371 Date Sep. 25, 1989 Sec. 102(e) Date Sep. 25, 1989 PCT Filed Mar. 25, 1988 PCT Pub. No. WO88/07602 PCT Pub. Date Oct. 6, 1988A method of applying an anionic dye to keratin fibers which involves pre-treating the fibers by contacting them with a solution of an amphoteric surfactant, and then applying the dye to the pre-treated fibers. A method of preparing keratin fibers for dyeing, printing, or other treatments by contacting the fibers with a solution containing an amphoteric surfactant but substantially no dye.
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