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[4] Users should discontinue use if they experience any signs of allergic reactions, such as redness, hives, or itchiness

While injectable GHK-Cu has prospects in specific therapeutic uses, it doesn't have enough research to support its efficacy for skin or hair concerns

Subdermal application overcomes this barrier and directly reaches the deeper layers of the skin, resulting in higher absorption and efficacy

Musely is also often more expensive up front than Agency or Curology, but subscriptions can make a big difference

Modeled after Epithalamina natural polypeptide extract from the pineal glandit is widely regarded in the scientific community as one of the most compelling compounds investigated for cellular longevity and DNA protection