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No, because retinoids act through different receptors and have a strong track record for photoaging and acne, while copper peptides work through different signals and targets
Consistent collagen supplementation may help maintain firmness and elasticity as the skin matures
Instead of shutting down the system, it acts more like a biological "dimmer switch" and a "traffic controller." It changes both the quantity and the type of pigment your cells produce
Anecdotally, some users report experiencing gastrointestinal issues like nausea, diarrhea, or constipation, as well as headache, fatigue, or irritation at the injection site
Non-reduced glutathione (oxidized) must be converted back to the reduced form to be effective
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