Enhancement of skin permeation of anti-wrinkle peptide GHKs using cell penetrating peptides
If you want to try it, liposomal forms appear to be the most evidence-backed oral option
AtMRP6/AtABCC6, an ATP-Binding Cassette transporter gene expressed during early steps of seedling development and up-regulated by cadmium in Arabidopsis thaliana
Following gut immune activation, activated immune cells and effector molecules such as cytokines [e.g., Interleukin-17 (IL-17), Tumor Necrosis Factor-alpha (TNF- )] can promote local inflammatory responses, alter the oral microecological environment, and either inhibit or promote the growth of specific microbial communities, playing a pivotal role in the regulation of oral microbiota (Nagao et al., 2022)
doi: 10.1097/MD.0000000000009070 109 NieX.LiQ.JiH.ZhangS.WangY.XieJ.et al
It is administered every 2 weeks by subcutaneous injection and is well tolerated