Do collagen supplements actually work? 27th March 2021 27th March 2021 cityskinclinic HAIR, HEALTH, SKINCARE Collagen, Collagen peptides, Collagen pills, Collagen powder, Collagen supplements 0 Comments Collagen supplements are often marketed as an easy way to boost levels of the very protein that regenerates your skin, hair and nails. They’re pretty much everywhere you look....