Avanti Anti Aging Skin CreamBut, because I preferred to write this skin care review, I got out my credit card and ordered the option. It was a "collagen kit". Because, I conducted my research, I be aware that most any anti aging skin care system claims to include collagen. And, since I know a little bit more with this complete than the regular guy, I understand that the fibers in many cases are derived form bovines, or cow skin.

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