Welcome to Chasse SMP. Tanya Chasse is one of the most sought after SMP artists in the heart of Pittsburgh, located just a few minutes from Riverview Park. Scalp micropigmentation (also known as SMP) is a technique used to replace lost hair follicles to create the illusion of a fuller head of hair. Tanya only uses reputable machines and the highest quality pigments to achieve the best results. Whether you have just started thinning or have already lost most of your hair, SMP is a great option to restore your look and your confidence.