The libraryLooks

Matrixyl

Wrinkle depth fell at 3 ppm in a moisturizer, twice daily for 12 weeks, on sun-aged faces.

Also called Palmitoyl Pentapeptide-4, Pal-KTTKS, Palmitoyl Pentapeptide-3

Who it's forAny man starting to see lines on his own face in photos.

Emergency: call 911.

I am not a doctor. This is not medical advice. This is self-education. Talk to a physician who has your history before you change anything.