As the fast ended for surgery rather than intolerance, research into longer water fasts could be considered
Filter-sterilize through a 0.22 m low-protein-binding membrane for sterile cell-culture workflows, and dilute into assay medium immediately before use to limit any extended bench-temperature exposure
It's particularly well-suited if you're looking for an evidence-based active for mature or ageing skin, want a fragrance-free formulation without unnecessary additives, are interested in supporting your skin's own renewal processes over time, or have had reactions to heavily fragranced or complex serums and want something cleaner
10.1016/j.neuroscience.2017.04.035 Neuroscience
Contact your healthcare provider if you experience: Severe or worsening pain, extensive swelling, or signs of infection (warmth, pus, fever) Discomfort that persists beyond 48 hours Any systemic symptoms such as fever or feeling generally unwell For future injections, allowing adequate warming time will likely improve your comfort and overall treatment experience