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DSIP A naturally occurring neuropeptide first isolated during slow-wave sleep, researched for sleep regulation, stress responses, pain perception, and potential applications in depression and substance withdrawal
The skin changes tend to be more subtle and are described as a fresher look in the face: better tone, more elasticity, a slight improvement in how light reflects off the skin
Copper peptides may show color shifts if the metal coordination breaks down
We buy the peptides themselves rather than the pre-diluted blend, so none of its carbomer, polysorbate 20, or butylene glycol comes along with them
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