Disclosed is an improved approach for implementing a system, method, and computer program product for integrating with a social media site, which can be used to create and configure a custom audience on the social media site. TSP material layers extend over only a portion of the end surfaces or extend into the substrates below the end surfaces. In one embodiment, a composition for promoting hair growth and reducing hair loss according to the present invention comprises mixed tocotrienols and a pharmaceutically acceptable excipient. For each X-ray image a valuation function that displays different values when points of a cluster are close than when points of the cluster are not close is used to determine the proximity of each cluster.