초록 ▼

This invention relates to novel compositions containing temporary visual indicators and methods for using these compositions. Specifically, this invention relates to a sunscreen composition containing an indicator that is visible when the substance is applied to the skin, but becomes invisible short

This invention relates to novel compositions containing temporary visual indicators and methods for using these compositions. Specifically, this invention relates to a sunscreen composition containing an indicator that is visible when the substance is applied to the skin, but becomes invisible shortly after application. The continued presence of the indicator allows the indicator to be reactivated temporarily to the visible form so that a user can verify the presence of the sunscreen. The visible indicator ensures that the sunscreen is applied evenly and completely to the area to be protected, but becomes invisible so as not to interfere with the action of the sunscreen or discolor the skin.

대표청구항 ▼

[ We claim:] [1.] A composition for human or animal use comprising:(a) a spray or lotion for application to a body surface of the animal or human;(b) an indicator for which a change of pH from a first pH to a second pH causes either (i) a change from one color to another color, or (ii) a change from

[ We claim:] [1.] A composition for human or animal use comprising:(a) a spray or lotion for application to a body surface of the animal or human;(b) an indicator for which a change of pH from a first pH to a second pH causes either (i) a change from one color to another color, or (ii) a change from colorless to a color, or (iii) a change from a color to colorless; and(c) a pH-modifying substance in an amount sufficient to establish the pH of the composition at said first pH and which evaporates or degrades thereby causing the pH to change to said second pH.