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Device and method for determining skin type

  • US 4,672,973 A
  • Filed: 08/20/1985
  • Issued: 06/16/1987
  • Est. Priority Date: 03/03/1983
  • Status: Expired due to Fees
First Claim
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1. A device for determining the skin type of a living subject utilizing an oil sample taken from the skin of the subject and held on a probe capable of permitting light to pass therethrough, comprising:

  • means for impinging essentially monochromatic light on one side of said probe;

    means for detecting that portion of the impinging light which is transmitted entirely through said probe, said detecting means producing an output current proportional to the amount of light detected;

    means for displaying the skin type of said living subject as a function of said output current; and

    slot means for receiving said probe, said means for impinging essentially monochromatic light and said means for detecting being located on opposite sides of said slot whereby said essentially monochromatic light passes through said probe without substantial deviation.

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