Permanent Hair Removal : A Disputed Term - 3
No Method Is 100% Effective In All Clients
All methods have some clients who do not seem to respond to treatment. The reason is unknown, and the exact percentages are not established. Below are some examples that the clinical studies published in medical journals or submitted to FDA and studies lasting 6 months or more. Note that some studies report good results but do not report non-responders.
| Method | Study | In Study | (%) With Significant Change |
|---|---|---|---|
| Hair Inhibitors | None | -- | -- |
| Transdermal | None | -- | -- |
| Transcutaneous | None | -- | -- |
| Photoepilators | None | -- | -- |
| Microwaves | None | -- | -- |
| Electric Tweezers | Verdich (1984) | 8 | 0 (0%) |
| Vaniqa | FDA data (2000) | 393 | 228 (58%) |
| Electrolysis | Verdich (1979) | 56 | 50 (90%) |
| Electrolysis | Richards (1986) | 281 | 261 (93%) |
| Flashlamp | Sadick (1999) | 67 | 28 (41%) |
| Laser (alexandrite) | Eremia (2001) | 89 | 89 |
| Laser (diode) | Alster (2001) | 20 | 20 |
| Laser (diode) | Baumler (2002) | 16 | 4 (25%) |
| Laser (ruby) | Liew (1999) | 48 | 17 (35%) |
| Laser (Nd:YAG) | Nanni (1997) | 12 | 0 (0%) |