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Tones of Perma Blend Ruler

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    Product Details

    Made for The Tones of Perma Blend sets, these are professional tools and are your handy go-to tool for choosing your pigment colour - made easy! 

    With vital information about both pigment and clients, they are way more than a colour chart.

    information contained on each ruler are:

    Healed Value

    Warmth Value

    Ideal client

    To darken

    To lighten

    Choose individual rulers or the complete set of three