The short answer: this combination carries substantial risks and is not recommended by clinical guidelines
Basak O, Beumer J, Wiebrands K, Seno H, van Oudenaarden A, Clevers H
Cystinosis Cystinosis is a rare genetic condition in which a certain amino acid builds up in body tissues, including the kidneys, liver, pancreas, muscles, and the eyes and brain
In the trial mentioned above, one year after stopping the GLP-1 medication, participants also saw: Blood pressure levels go back up C-reactive protein levels (an indicator of inflammation) increase VLDL cholesterol (a type that leads to hardened arteries) goes up Triglycerides (a type of blood fat) go up Hemoglobin A1c increases (meaning the level of sugar in the blood) At high levels, these health markers are associated with conditions like type 2 diabetes, obesity, hypertension, and heart disease, to list a few
There is no interaction, no additive toxicity, and no reason not to stack topical facial/scalp use with an injectable rehab block