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Semi-Permanent Hair Dye: How Long It Lasts, and Semi vs Demi vs Permanent
How semi-permanent hair dye works, how long it lasts, how it differs from demi-permanent and permanent colour, and how to make bright shades last longer.
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How semi-permanent hair dye works, how long it lasts, how it differs from demi-permanent and permanent colour, and how to make bright shades last longer.

