ghk cu and reta peptides GHK-Cu Peptide GHK-Cu Dosage and Protocol: A
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Retatrutide adds the "output" side

First, peptides are not steroids

10.1016/j.molcel.2020.07.012 46 HuangP.HeZ.JiS.SunH.XiangD.LiuC.et al (2011)

Lets talk about connective tissue

Li H 2018 Attenuation effectsofpentadecapeptide bpc 157 on oxazolone induced atopic dermatitislike skin lesions: antiinflammatory action via inhibitionof p38mapk activation Int Immunopharmacol 57: 243249 The Elementals Blog Evidence-based guides for optimal performance and healthy living.