Your provider sets realistic expectations based on your goals and history
Here is what the stack actually does, how it compares to HGH, and who is a candidate
Patch testing, gentle washing, avoiding harsh exfoliation, moisturising hydration, retinol alternatives, low concentrations, application frequency, buffering technique, sun protection is essential, observation and adaptation, and consulting a dermatologist are all part of a personalised routine for sensitive skin
Many products say to keep mixed vials cold and out of light, and to set aside any solution that turns cloudy or develops particles, follow the instructions that came with yours
Identification and functional analysis of Escherichia coli cysteine desulfhydrases