How Regenerative Aesthetics Has Changed the Face of Aesthetic Medicine
By Cynthia Elliott, MD
June 11, 2026
Until recently, aesthetic medicine focused on improving appearance with procedures that enhanced features, repaired damaged skin, or replaced lost volume. While these treatments can produce impressive results, they did not address the underlying biological processes in the tissues. With the addition of new regenerative esthetic strategies, appearance-improving techniques can also improve overall skin quality and function and potentially slow down the effects of aging.
Regenerative aesthetic treatments work by activating the body's natural healing mechanisms to repair damaged tissue, increase skin elasticity, thickness, and circulation, and restore the components that provide structural support to the skin.
Some of the most exciting treatments in regenerative aesthetics are those using platelet-rich plasma (PRP), DNA-derived products, biostimulators, and stem cell-derived products. These products work by activating the body’s natural repair processes to promote tissue repair, collagen production, improved circulation, and the restoration of extracellular matrix components (ECM) that provide structural support to the skin. Unlike traditional cosmetic treatments that primarily camouflage age-related changes or treat them superficially, regenerative therapies work at a deeper level to actually improve the quality and function of all layers of the skin.
A key concept of regenerative aesthetics is the restoration of the extracellular matrix (ECM), which is a complex, three-dimensional biological scaffold composed of proteins, carbohydrates, and water that provides structure to the cells and tissues in the body. Aging causes deterioration of the ECM, including fragmentation of collagen and elastin, an increase in inflammation, and a loss of structural support. As the ECM degrades, dermal fibroblasts (the cells that produce collagen) decrease by up to 35%. With less collagen, the skin thins, becomes loose, and forms wrinkles.
Regenerative treatment strategies work to restore the components of the ECM. The biostimulant Radiesse, which is a calcium hydroxylapatite-based filler and biostimulant, differs from biostimulants such as Sculptra, made of poly-L-lactic acid (PLLA), because it increases type III collagen, which is the collagen that makes youthful skin stretchy and supple.
Both polynucleotides (PN) and polydeoxyribonucleotides (PDRN) are DNA-derived substances that improve texture, increase collagen, and rejuvenate aging skin but they have distinct differences. Polynucleotides are longer DNA chains isolated from purified marine sources that provide deeper skin stimulation and broader benefits. PNs offer overall skin aging prevention, improved texture, and firmer, tighter skin.
PDRN is a subtype of PN made up of shorter DNA fragments derived from salmon sperm. It activates adenosine receptors involved in tissue repair and regeneration while helping to decrease inflammation, speed healing, restores elasticity and hydration, and strengthens the skin barrier.
Tissue regeneration is not controlled by a single “on/off” switch, but by an orchestrated network of signals that controls wound healing, cell growth, and immune response. Research on stem cells and their secreted exosomes suggests that they may help reduce inflammation, increase healing, stimulate collagen production, and fight oxidative stress.
Chronic low-grade inflammation, also known as "inflammaging," is a known cause of the changes seen in aging. This chronic, low-grade, systemic inflammatory state links aging to immune dysfunction, tissue degeneration, and increased disease susceptibility. In the skin, inflammation speeds the breakdown of collagen, weakens the skin barrier, and inhibits tissue repair.
In an effort to slow down the effects of overall aging, recent research is also focusing on the role of mitochondria, the cellular organelles that produce power in cells. Emerging therapies are finding ways to maintain mitochondrial health with antioxidants, NAD+ precursors, and methods that rid the body of cells that no longer function, known as autophagy.
The future of esthetic medicine appears to be moving from a reactive model that treats the external effects of visible aging toward a proactive model that prevents significant deterioration and repairs damage from the inside out. The field of regenerative medicine is rapidly evolving toward not just improved esthetic outcomes but improved longevity itself.
References:
Haykal D, Flament F, Shadev M, et al. Advances in Longevity: The Intersection of Regenerative Medicine and Cosmetic Dermatology. Journal of Cosmetic Dermatology. 2025;24(7):e70356, along with additional regenerative aesthetics and polynucleotide literature summarized in the source document.