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These challenges have led to the development of more stable analogues, improved delivery systems, and increased interest in smaller peptide fragments that retain bioactivity while minimizing these drawbacks [9]

Its fairly common to see a little redness, swelling, or itching at the site

Wrinkles that form from elastin loss tend to be deeper and more permanent than those from collagen decline alone

Medical Science Monitor: International Medical Journal of Experimental and Clinical Research , 16 (3), BR81-88.

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