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Elastin is the protein that lets skin stretch and snap back. Alongside collagen it maintains youthful resilience; its breakdown causes the looseness and sagging that energy devices aim to reverse.
If collagen is the skin’s structural scaffolding, elastin is its elastic recoil—the dermal protein that allows skin to stretch and then spring back to shape. Healthy elastin is why young skin bounces back instantly when pinched.
Elastin is produced mainly early in life and is difficult for the body to replace, so cumulative damage—chiefly from UV exposure—degrades it over time, leaving skin loose, crepey and slow to recover. Energy treatments that remodel the dermis, such as radiofrequency, microneedling and fractional lasers, stimulate fibroblasts to produce fresh elastin alongside new collagen, gradually restoring some of that resilience.
For clinics, framing rejuvenation around both collagen (firmness) and elastin (bounce) gives clients a fuller, more accurate picture of what energy treatments are rebuilding.
Collagen is the scaffold, elastin is the bounce—rebuilding both is what restores genuinely youthful skin.
Elastin is the dermal protein that gives skin its stretch and snap-back; its UV-driven breakdown causes sagging that RF, microneedling and laser treatments aim to reverse by stimulating new elastin and collagen.