Patent ID: 7566303

Claim:
An indicator for characterizing human skin condition, the indicator comprising: a flowable carrier suitable for application to human skin; and at least one dye soluble with at least one substance secreted by human skin, the at least one dye being carried by the flowable carrier and the at least one dye changing in color or color intensity when in solution with the at least one substance, wherein a visual change of color or color intensity in the at least one dye is proportional to the amount of the at least one substance in the solution, wherein, in response to the indicator being applied to an area of human skin and the at least one dye contacting and reacting with the at least one substance in the area, the indicator displays a visual change in the color or color intensity of the at least one dye as a visual indication of the skin condition in the area based on the amount of the at least one substance in the area and wherein the at least one dye is encapsulated in at least one material that is altered when in contact with the oil secreted by the human skin.