Dr. Alexander Landfield
Board-Certified Neurologist & Medical Director
While collagen receives most of the attention in anti-aging discussions, elastin is the protein responsible for skin's ability to snap back after being stretched, the bounce that defines youthful skin. At Rani Beauty Clinic in Renton, WA, Dr. Landfield follows elastin research closely because this protein presents unique challenges and opportunities for aesthetic medicine.
Elastin differs from collagen in critical ways. While the body continuously produces and turns over collagen throughout life, elastin is primarily produced during development and early childhood, with minimal new production in adulthood. This means that the elastin you have in your skin at age twenty is essentially the same elastin you will have at fifty, only more damaged.
The consequences of this limited renewal capacity are profound. Unlike collagen, which can be stimulated through treatments and retinoids to produce new fibers, damaged elastin is extremely difficult to replace. This is why skin laxity and loss of snap-back, the signs of elastin degradation, are among the most challenging aging changes to treat non-surgically.
Elastin degradation occurs through enzymatic breakdown by elastases, UV-induced photodamage that fragments elastic fibers, and a process called elastosis where damaged elastin accumulates in disorganized clumps rather than functional fibers. Heavily sun-damaged skin often shows solar elastosis, the yellow, thickened, leathery quality caused by this accumulated damaged elastin.
Current research is exploring whether adult skin can be stimulated to produce new functional elastin under specific conditions. Some evidence suggests that controlled thermal injury from treatments like Sofwave may trigger limited elastin neogenesis alongside collagen production. The focused ultrasound energy at Sofwave's treatment depth targets the zone where elastin is concentrated.
RF microneedling also shows promise for elastin stimulation, with histological studies demonstrating new elastic fiber formation in treated skin. The combination of mechanical and thermal stimulation may provide signals that fibroblasts interpret as conditions requiring elastin production.
Tropoelastin, the precursor molecule to elastin, has emerged as a promising topical ingredient in recent research. Early studies suggest that topically applied tropoelastin can integrate into the skin's elastic network, potentially supplementing the body's limited production capacity. While this research is still in early stages, it represents an exciting frontier.
At Rani Beauty Clinic, our treatment protocols that stimulate both collagen and elastin production provide the most comprehensive structural renewal available with current technology.
