Youre essentially injecting an unknown substance into your bodyyou dont know what it contains or how it was made
Wrinkles and fine lines: Retinol protects collagen against degradation and inhibits matrix metalloproteinase (MMP) activity
doi: 10.1089/thy.2015.0061 12 PiantanidaETandaMLLaiASassiLBartalenaL
Therapeutic targeting strategies for early-to Late-staged Alzheimers disease
Statistical analyses were performed using either an un-paired t -test assuming equal variance, one-, or two-way ANOVA, as appropriate, and are specifically indicated on each figure legend
Although the efficacy of GHK-Cu has been recognized, there are certain limitations in its application, such as higher cost, thicker skin feel, and intolerance to high temperatures