THE PRESENT INVENTION RELATES GENERALLY TO A METHODOLOGY OF DETERMINING THE CONCENTRATION OF THE TYPES OF MELANIN, EITHER EUMELANIN OR PHEOMELANIN, IN THE SKIN WHEREIN THE PROCESS FOR SUCH DETERMINATION IS NON-INVASIVE AND BASED ON DIGITAL SIGNAL AND IMAGE ANALYSIS OF HYPERSPECTRAL SENSING AND MULTI-SPECTRAL DATA. (THE MOST ILLUSTRATIVE FIGURE IS FIG. 7)