Identifying your skin’s undertone (cool, warm, or neutral) can help you select the most flattering foundation and clothing colors. You can determine your skin’s undertone by checking the color of your ...
Fitzpatrick skin types (or phototypes) — FST (or FSP) — refer to a skin tone scale developed to classify skin coloring and response to ultraviolet (UV) radiation. The Fitzpatrick skin phototypes (FSP) ...