Calgary-based NanoTess makes a gel called NanoSALV that's designed to to help heal chronic wounds, skin injuries, infections and inflammation. Think Polysporin — but on steroids.

More information: Methacrylated Gelatin Hydrogel Conjugated with ε-Polylysine and Enriched with Platelet-Rich Plasma for ...

More information: Li Wang et al, Self-Healing Dynamic Hydrogel Microparticles with Structural Color for Wound Management, ...