Peptides used in dermatology are typically categorised based on their biological function.
One of the most discussed bioactive molecules in aesthetic medicine in recent years is Polydeoxyribonucleotide (PDRN). Although technically not a peptide, it is frequently discussed alongside regenerative peptides because of its powerful tissue-repair capabilities.
PDRN is derived from purified DNA fragments, most commonly extracted from salmon sperm cells. These DNA fragments stimulate tissue regeneration by activating adenosine A2A receptors, which play a role in wound healing, anti-inflammatory responses, and angiogenesis.
In dermatology, PDRN is used in injectable skin boosters, regenerative treatments, and post-procedure healing protocols. It promotes fibroblast activity, enhances collagen synthesis, and improves microcirculation in the skin. Clinically, patients often report improvements in skin hydration, elasticity, and overall radiance.
PDRN has gained particular popularity in Korean aesthetic medicine, where it is commonly used in treatments designed to restore skin quality rather than simply reduce wrinkles. Its regenerative properties also make it useful in managing scars, improving skin recovery after lasers, and treating inflammatory skin conditions.
About one and a half years ago, a Japanese patient visited my clinic in Delhi. She mentioned using PDRN injectables back in Tokyo and raved about how it transformed her post-procedure recovery and overall skin vitality. At the time, I noted it was still niche in India—mostly seen in high-end clinics or imported K-beauty products. Fast-forward to 2026, and PDRN has truly hit the Indian market: Topical serums, ampoules, and boosters are now widely available, with growing local manufacturing and demand driving its accessibility.
Peptide research is expanding rapidly, with the next generation of skincare products based on multi-peptide complexes that target multiple pathways simultaneously. Advances in delivery systems, like liposomal encapsulation and nano-carriers, improve penetration and stability. In 2026, integration with retinoids, antioxidants, growth factors, and hyaluronic acid emphasises skin longevity over mere wrinkle reduction.
Peptides represent one of the most exciting intersections between biotechnology and dermatology. Their ability to influence cellular signalling, stimulate collagen production, and support tissue repair makes them essential tools in modern skincare.
Molecules such as GHK-Cu, Matrixyl, and Argireline continue to dominate peptide-based formulations, while regenerative agents like PDRN are expanding the boundaries of aesthetic medicine. As research progresses, peptides and related biomolecules are expected to play an even greater role in preventive dermatology, regenerative treatments, and the broader concept of skin longevity.
PDRN and copper peptides (GHK-Cu) are here to stay—two of the most promising, evidence-backed options for true cellular repair and enduring skin health in 2026 and beyond.
(Edited by Theres Sudeep)
