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http://www.matrix.com/hair-color/logics-color-dna-system/logics-light-reactions-powderLogics Light Reactions Powderhttp://www.matrix.com/~/media/images/haircolor/logicscolordnasystem/logics_lightreactionspowder_l-lrp.jpgCan be used alone for on or off-scalp applications or as an activator for Gel Lightener.
A unique "dual usage" product that can be used alone for on or off-scalp applications or as an activator for Gel Lightener. It is de-dusted, so it won't fly away, offering neater mixing and a cleaner work environment. Botanical proteins and nine natural oils leave hair silky and conditioned.