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Attach rate (retail revenue divided by service revenue) is the single most-discussed and most-misunderstood number...
Salon retail is being rebuilt. The 8 to 12 percent attach-rate ceiling that defined independent...
The first week after a bleach service is the week that decides the next six...
Hard water carries dissolved calcium, magnesium, iron, and trace copper. On color-treated hair, those minerals...
An acidic-pillar system is a three-product color routine built around one mechanical premise: keep the...
Professional color protection is the discipline of preserving salon color between visits by controlling four...
The bathroom test that fools almost every client A client steps out of the shower,...
Damaged hair is not a description. It is a diagnosis. When a client says her...
