Tegaderm Hydrogel Wound Filler by 3M is a high-grade, preservative-free, amorphous hydrogel that is designed to fill in wounds while also providing the optimum moist healing environment. With an advanced formula for enhancing wound healing, 3M's Tegaderm Hydrogel Wound Filler is preservative-free and completely sterile to provide optimal healing without risk of infection. Tegaderm Hydrogel Wound Filler is formatted for dry to minimally draining dermal ulcers, open surgical wounds, and traumatic wounds and abrasions. The hydrogel also helps wounds with eschar or slough requiring autolytic debridement.