Thank you. @PlayItForward
They attempt to be transparent. See this excerpt from their blog on Vampire Facials

Before making an appointment for a Vampire Facial, be sure to confirm the credentials of not only the facility but also of the person who will be administering it to you. It is also worthwhile reading reviews about both to ensure that you are going to a trusted practitioner.
The truth behind vampire facials., Malena

Here’s their piano video.