ghk-cu tolerance desensitization loss of effectiveness long-term use or or GHK-CU Making Skin GHK-Cu Peptide: Clinical Evidence &
Description
Slower escalation with better tolerance produces better long-term adherence and results than aggressive dosing that causes misery

Food Nutr Bull 2008;29(2 Suppl):S6773
Dupixent should not be frozen because this can damage the medication
For skin wound healing specifically, injection sites should be chosen to deliver peptide near the affected area without injecting directly into damaged tissue