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 personal care product comprising: a visual indicator having a basic amine-sensitive, chemichromatic dye, arranged such that said dye is observable to a user, wherein said dye is selected from the group consisting of: pararosanile base (PAB), naphthochrome green (NCG), and mixtures thereof.
2. The personal care product 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 personal care product according to claim 1 , wherein said personal care product is a swab.
4. The personal care product according to claim 1 , wherein said personal care product is selected from the group consisting of: diaper, feminine hygiene pad, tampon, and absorbent underpants.
5. The personal care product according to claim 4 , wherein said indicator is in the form of a removable patch.
6. The personal care product according to claim 4 , wherein said indicator is a substrate made with a material selected from the group consisting of cellulose, woven or nonwoven fabric, cotton, silk, rayon, glass fiber, films, silica gels and latex particles.