Personal care products with visual indicator of vaginitis
View Patent ↗There is provided a personal care product having a body side liner, a baffle and an indicator strip with two ends. The indicator has an amine sensitive dye near at least one end. The indicator extends from the target area just below the liner to just above the baffle such that the dye deposit is visible to an unaided eye. The dye changes color in the presence of amines which are characteristic of infection, thus alerting the user to the possibility of infection. Such an indicator placed in a feminine hygiene pad, for example, may be useful in the diagnosis of vaginitis.
1. A feminine hygiene pad comprising: a liquid impervious baffle, a liquid pervious body side liner, a targeting area, and an indicator strip having applied thereto an amine sensitive dye selected from the group consisting of pararosaniline base (PAB), alpha-naphthol-benzein (ANB), and naphthochrome green (NCG) and mixtures thereof.
2. The feminine hygiene pad according to claim 1 , wherein said dye is present in an amount of between about 0.0001 and 20 weight percent on a dry basis.
3. The feminine hygiene pad according to claim 1 , wherein said indicator strip is selected from the group consisting of: cellulose, woven or nonwoven fabric, cotton, silk, rayon, glass fiber, films, silica gels and latex particles.
4. The feminine hygiene pad according to claim 1 wherein said indicator scrip is between about 0.25 and 3 centimeters in width and about 8 to 25 cm in length.
5. The feminine hygiene pad according to claim 4 , wherein said indicator strip is between about 1 to 2 cm in width and about 10 to 15 cm in length.
6. The feminine hygiene pad according to claim 1 , wherein said amine sensitive dye is placed such that said dye is visible to an unaided eye.
7. The feminine hygiene pad according to claim 1 , wherein said amine sensitive dye is placed in sequential dots proximal to least one end of said indicator strip.
8. The feminine hygiene pad according to claim 1 , wherein said indicator strip extends from immediately below said liner in said target area to immediately above said baffle.
9. The feminine hygiene pad according to claim 1 , wherein only one end of said indicator strip is placed adjacent to said baffle.
10. The feminine hygiene pad according to claim 1 , wherein said indicator strip has two ends and both ends of are placed adjacent to said baffle.