The $198 Serum Built on Skin Repair Science

Newly healed skin often looks smoother and fresher than the skin around it. That observation sparked the idea behind a pricey anti-aging serum called DefenAge 8-in-1 BioSerum, which costs $198 per bottle.

Most people know skincare staples like retinol, vitamin C, or hyaluronic acid. But defensins? Not a common name in your medicine cabinet. Still, these molecules play a role in how your skin repairs itself.

Your skin regenerates naturally, especially after an injury. Defensins are part of your body's defense and repair system. Some studies link them to LGR6-positive cells that help rebuild the epidermis during healing.

Dermatologic surgeons find this process fascinating because they see skin rebuilding firsthand. But the serum isn't meant to heal cuts or wounds. It's purely cosmetic, aiming to make aging skin look fresher and smoother.

Skin doesn't renew itself the same way forever. As you age, skin can get dry, discolored, thinner, or less firm. Both genes and environment affect this. Wrinkles are just one sign.

DefenAge created Age-Repair Defensins, inspired by natural defensins. The idea is to boost your skin's renewal process. The 8-in-1 BioSerum is their strongest version with this tech.

At $198, the science alone isn't enough. You want proof it works. A 2023 study in the Journal of Drugs in Dermatology tested it on 20 adults aged 45 to 80. After 12 weeks, users saw less wrinkling and better texture and glow.

An earlier 2018 study was placebo-controlled and blinded. Forty-four women aged 41 to 71 took part. Those using the defensin formula showed clearer improvements than those on the placebo.