PROBLEM TO BE SOLVED: To provide a hair discoloring method by which discolored hair sufficiently suppressed in damage can be obtained.SOLUTION: This hair discoloring method is characterized in that pulse laser light whose wavelength is 600 to 1,200 nm is irradiated to hair on condition that fluence is 1x10-11 to 0.1 J/cm2, and energy rigidity is 50 W/cm2 to 2G W/cm2.COPYRIGHT: (C)2012,JPO&INPIT【課題】 損傷が十分に少ない脱色毛を得ることができる毛髪の脱色方法を提供すること。【解決手段】 本発明の脱色方法は、毛髪に、波長600~1200nmのパルスレーザー光を、フルエンスが1×10-11~0.1J/cm2、且つ、エネルギー強度が50W/cm2~2GW/cm2となる条件で照射することを特徴とする。【選択図】なし
