This peptide cream moisturizes, repairs the skin barrier, deeply nourishes dry skin and more — it's only $54 on Amazon!

That’s where a firming body lotion like the Medix 5.5 Collagen and Peptides Cream comes in. $18 Buy on Amazon This ...

There was snow on the ground for the entire month of January. I regularly wear two down jackets. But my skin is doing great.” ...

A dermatologist weighs in on one of the serum's main ingredients, peptide Argireline — and explains how it works.