Peptide product like no other, PCA Skin (pHaze 25) ExLinea Peptide Smoothing Serum is packed with ingredients that smooth, hydrate, and nurture aging skin. The biofriendly peptide, Argireline, not only smoothes existing wrinkles but actually helps prevent lines from forming as it relaxes facial muscle contractions that can lead to wrinkles Hyaluronic acid helps skin retain moisture, while antioxidants work together to help fight the aging process Reduces the dpth of existing lines and prevents future wrinkles