Key points Several laser and light-based therapies, including low-level laser/light therapy, excimer laser, monochromatic excimer light, narrowband ultraviolet B phototherapy, and fractional laser, have been studied for the treatment of androgenetic alopecia. Most research has focused on low-level laser/light therapy,…
Key points Stem cells are a potential therapeutic option for the treatment of androgenetic alopecia and other forms of hair loss. However, serious adverse events have been previously reported from the use of stem cells for non dermatologic applications. As…
Summary and key features Benzyl alcohol has anesthetic effects and is safe for skin injection. Skin injection of botulinum toxin reconstituted with preserved (i.e., benzyl alcohol-containing) saline is less painful than injection of toxin reconstituted with saline only. Skin preinfiltration…