dsip delta sleep inducing peptide clinical studies Human Delta-Sleep (dSIP) ELISA Kit, Cat#EKU03687 DSIP (Delta Sleep Inducing Peptide):

Concentration selection for topical copper peptide dosing spans a wide range in the research literature from 0.05% for sensitive-area research to 1-2% for more robust skin regeneration research

64 In addition, patients who are treated with Cu-histidine in an early stage of the disease can exhibit gross improvements, with fine neuronal development and motor movement, whereas patients who are diagnosed and treated in a later stage generally have a poor prognosis

10.1113/jphysiol.2003.056101 62 FowlerC

confirmed no cytotoxicity to HaCaT keratinocytes or human dermal fibroblasts across a six-log concentration range (0.0058 to 5800 micromolar) 3