Cosmetic Monitoring

We never cease to be amazed by the innovation when it comes to colorists and their rainbow hair creations. Glittery undercut tattoos and vibrant, hidden roots are just a few examples of the clever, crafty coifs that stylists have come up with, but most recently, we're impressed by Janine Ker of Salon Aguayo's stenciled styles. We first spotted Ker's work in January, when we showcased her in a story about inspiring beauty-based Instagram accounts. For her stencil work, the mane maven…