Hair removal system
US6206869A · kind A · utility
1Cited by
7References
15Claims
0Family size
Inventor
Key dates
| Filing date | Dec 16, 1999 |
| Grant date | Mar 27, 2001 |
| Priority date | — |
| Expiry date | Dec 16, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/0448
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method and apparatus for selective long term and/or permanent hair removal from a biological subject by iontophoretic delivery of a chemical depilatory agent and a substance for increasing skin permeability, e.g. sodium salicylate, deeply into a hair removal site for effecting varying degrees of damage to hair roots.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.