×

Method for testing skin for presence of moisturizer

  • US 4,690,815 A
  • Filed: 08/15/1985
  • Issued: 09/01/1987
  • Est. Priority Date: 08/15/1985
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method for determining the presence of moisturizing substances on skin, which comprises providing a moisturizing composition which includes an active material capable of binding with water to form a complex, applying the moisturizing composition to desired areas of the skin to form a film or coating which includes such complex and which inhibits moisture loss from the skin, and subsequently testing skin previously treated with such moisturizing composition for the presence of the active material remaining on the previously treated skin, the presence of which active material is directly correlated to the amount of moisturizer composition remaining on the skin.

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×