However, it's important to note that this is a rather informal and potentially offensive term. It's best to avoid using it and stick to more respectful and accurate descriptions of hair loss treatments.
For example, you could refer to it as:
* A hair loss treatment
* A treatment for thinning hair
* A scalp care product
Ultimately, the best way to refer to the treatment is to use the specific name of the product or treatment, or to ask the person who is using it what they prefer to call it.