SkinReset™ PDRN Serum

PDRN (Polydeoxyribonucleotide) is a DNA-derived molecule obtained from salmon, known for its ability to support skin repair, reduce inflammation, and stimulate collagen production.

Also called salmon DNA serum or PN serum, PDRN in skincare works via the purine salvage pathway — activating A2A adenosine receptors in dermal fibroblasts to accelerate the skin's own repair cycle. Unlike retinoids or acids, PDRN supports healing without inducing controlled damage, making it suitable for sensitive, post-procedure, and barrier-compromised skin.

Most PDRN serums on the market apply the active topically without a delivery system. Because raw PDRN weighs 5,000–30,000 Daltons — far above the 500 Da skin penetration threshold — it cannot reach dermal fibroblasts where repair signalling occurs.

SkinReset™ uses nano-encapsulated PDRN (Sodium DNA, 3000 PPM), wrapped in lecithin nanocarriers of 50–150 nm. This protects the molecule from enzymatic degradation and enables delivery to the dermis — the layer where collagen synthesis, barrier repair, and pigmentation control actually happen.

For even deeper delivery, use after CellMorph™ 500 Microneedling Serum, which creates temporary micro-channels for enhanced PDRN penetration.

PDRN works by activating the purine salvage pathway via A2A receptor binding. This stimulates fibroblast activity, enhances collagen production, and reduces inflammatory signals — supporting visible skin repair from within.

SkinReset™ uses Nano-Encapsulated PDRN (Sodium DNA, 3000 PPM) to bypass the skin's 500 Dalton penetration barrier. Upon reaching dermal fibroblasts, PDRN fragments bind to A2A adenosine receptors, triggering a cascade that accelerates collagen and elastin gene expression, reduces inflammatory cytokines, and upregulates VEGF for measurable improvements in dermal density and barrier integrity.

Paired with a dual-pathway brightening system using Undecylenoyl Phenylalanine and Oligopeptide-1 to visibly refine uneven tone. Pair with Aquablur™ Bubble Toner to prep skin, and CellMorph™ 500 for enhanced PDRN delivery.

Peer-reviewed references:
Bitto et al. (2008) PMID 18614171 ·
Bos & Meinardi (2000) PMID 10839713 ·
Squadrito et al. (2014) PMID 25122677

PDRN repairs skin by recycling DNA building blocks through the purine salvage pathway — a faster, more energy-efficient route than creating new molecules from scratch. This makes PDRN especially effective for photo-damaged, post-procedure, or barrier-compromised skin.

• Step 01 — Nano-Encapsulation: Lecithin nanocarriers (50–150 nm) protect PDRN from enzymatic breakdown and deliver it past the stratum corneum.
• Step 02 — A2A Receptor Binding: PDRN fragments bind to A2A adenosine receptors on fibroblasts, initiating an anti-inflammatory cascade.
• Step 03 — Salvage Pathway Activation: Nucleotide fragments enter the purine salvage pathway, accelerating DNA repair and collagen gene expression.
• Step 04 — Structural Recovery: Upregulated VEGF and TGF-β1 promotes new dermal matrix formation, restoring density, elasticity, and barrier function over a 4–6 week window.

Reference: Valdatta et al. (2011) PMID 21210951

The 500 Dalton Rule explains why most PDRN serums on the market have limited effect: only molecules under 500 Da can passively penetrate the skin barrier. Raw PDRN weighs 5,000–30,000 Da — it sits on the surface without reaching the dermis where repair occurs. Nano-encapsulation is the only way to solve this.

• Niacinamide — 122 Da: Penetrates passively. Present in SkinReset™.
• Adenosine — 267 Da: Penetrates passively. Present in SkinReset™.
• Sodium Hyaluronate (low MW) — ~5,000 Da: No passive penetration. Surface hydration only.
• PDRN raw — 5,000–30,000 Da: Cannot penetrate. Ineffective without a carrier system.
• Nano-Encapsulated PDRN (SkinReset™) — carrier 50–150 nm: Delivered via lecithin nanocarrier to the dermis. 3000 PPM.

Source: Bos & Meinardi (2000). The 500 Dalton rule. Exp Dermatol. PMID 10839713

Understanding where PDRN sits in the landscape of regenerative actives helps clarify why it is the right choice for deep repair, recovery, and barrier restoration.

PDRN — SkinReset™

• Mechanism: Purine salvage pathway via A2A adenosine receptor binding
• Stability: High — nano-encapsulation prevents hydrolysis
• Best for: Post-procedure recovery, barrier repair, dermal thinning, DNA damage reversal
• Clinical evidence: Strong — 200+ peer-reviewed studies on wound healing and regeneration

Signal Peptides

• Mechanism: Mimic peptide signals to stimulate collagen synthesis
• Stability: Moderate — sensitive to pH extremes
• Best for: Fine lines, firmness, general anti-aging
• Clinical evidence: Moderate — primarily in vitro and small RCTs

Growth Factors (EGF)

• Mechanism: Bind EGFR to promote cellular proliferation
• Stability: Low — denatured by heat and enzymatically unstable
• Best for: Cell turnover, hyperpigmentation, wound healing
• Clinical evidence: Moderate — mostly at injectable concentrations

Understanding where PDRN sits in the landscape of regenerative actives helps clarify why it is the right choice for deep repair, recovery, and barrier restoration.

PDRN — SkinReset™

• Mechanism: Purine salvage pathway via A2A adenosine receptor binding
• Stability: High — nano-encapsulation prevents hydrolysis
• Best for: Post-procedure recovery, barrier repair, dermal thinning, DNA damage reversal
• Clinical evidence: Strong — 200+ peer-reviewed studies on wound healing and regeneration

Signal Peptides

• Mechanism: Mimic peptide signals to stimulate collagen synthesis
• Stability: Moderate — sensitive to pH extremes
• Best for: Fine lines, firmness, general anti-aging
• Clinical evidence: Moderate — primarily in vitro and small RCTs

Growth Factors (EGF)

• Mechanism: Bind EGFR to promote cellular proliferation
• Stability: Low — denatured by heat and enzymatically unstable
• Best for: Cell turnover, hyperpigmentation, wound healing
• Clinical evidence: Moderate — mostly at injectable concentrations

SkinReset™ PDRN Serum delivers nano-encapsulated Sodium DNA (PDRN) at 3000 PPM via lecithin nanocarriers (50–150 nm), enabling dermal fibroblast-level delivery beyond the 500 Dalton passive penetration threshold. The formulation activates the purine salvage pathway via A2A adenosine receptor binding, suppresses inflammatory cytokines, and upregulates VEGF and TGF-β1 for measurable improvements in dermal density, barrier integrity, and pigmentation within a 4–6 week clinical application window. Paired with Oligopeptide-1 (EGF), Undecylenoyl Phenylalanine, and a multi-molecular hyaluronic acid complex for comprehensive bio-cellular renewal.

Key citations: Bitto et al. (2008) PMID 18614171 · Bos & Meinardi (2000) PMID 10839713 · Squadrito et al. (2014) PMID 25122677

• Use after cleansing and toning
• Apply 2 to 3 pumps to face and neck
• Follow with moisturiser and SPF in the morning
• Suitable for daily AM or PM use

• Skin in need of visible renewal and faster recovery
• Uneven tone and pigmentation-prone skin
• Dull, tired-looking skin lacking natural brightness
• Early visible lines and first signs of stress
• Uneven surface texture
• Sensitive skin, when the barrier is stable

Yes. It is designed for daily use, morning and evening, after cleansing and toning.

Yes. The dual-pathway brightening system — Undecylenoyl Phenylalanine blocking the α-MSH melanin signal and Oligopeptide-1 supporting cellular renewal — visibly improves uneven tone and pigmentation with consistent daily use.

Yes. Suitable for sensitive skin when the barrier is stable. The White Lily Extract and multi-molecular hyaluronic acid complex support comfort and barrier function. During periods of active irritation, focus on calming and barrier-first care before introducing this serum.

Yes. PDRN activates fibroblast activity via the purine salvage pathway, upregulating collagen and elastin synthesis. Combined with Adenosine and the EGF peptide complex, SkinReset™ supports smoother texture, visible firmness, and improved skin quality over time.

Most users notice improvements in smoothness and brightness within 2 to 4 weeks of consistent use. Structural improvements in dermal density and barrier integrity typically build over a 4 to 6 week clinical window.

PDRN serum and retinol work through entirely different mechanisms and are not direct competitors. Retinol accelerates cell turnover by binding to nuclear retinoid receptors, which can cause irritation, purging, and increased sensitivity — particularly in barrier-compromised or sensitive skin. PDRN serum works by activating the purine salvage pathway via A2A adenosine receptors, supporting the skin's own repair and regeneration without inducing controlled damage. For post-procedure recovery, dermal thinning, or sensitive skin, PDRN is generally the better-tolerated choice. For accelerated cell turnover and resurfacing, retinol has a stronger evidence base. SkinReset™ is designed to complement — not replace — a retinol routine by repairing the barrier stress retinol can cause.

PDRN (Polydeoxyribonucleotide) and PN (Polynucleotide) are the same class of salmon DNA fragment molecules. PN is the term used in Korean aesthetic medicine for injectable treatments. In topical cosmetics, the standardised INCI name is Sodium DNA. The best PDRN serums in India and globally use nano-encapsulation to overcome the 500 Dalton skin penetration barrier — which non-encapsulated PN serums cannot achieve. SkinReset™ uses nano-encapsulated Sodium DNA at 3000 PPM for dermal-level delivery.

Most users notice improvements in skin smoothness, brightness, and comfort within 2 to 4 weeks of consistent daily use. Structural improvements — including increased dermal density, firmer texture, and visible reduction in pigmentation — build over a 4 to 6 week clinical window. Post-procedure skin typically responds faster due to the compromised barrier giving PDRN more direct access to the dermis. For best results, use morning and evening after cleansing and toning, followed by SPF in the morning.

Yes. PDRN increases collagen through two mechanisms. First, A2A adenosine receptor activation upregulates TGF-β1 — a key growth factor that drives collagen gene expression in dermal fibroblasts. Second, the purine salvage pathway provides the nucleotide building blocks fibroblasts need for accelerated repair and new matrix formation. Clinical studies on PDRN show a measurable 1.8x increase in dermal density with consistent application. SkinReset™ combines this with Oligopeptide-1 (EGF) and Hexapeptide-2 for additional collagen and firmness support. Pair with CellMorph™ 500 Microneedling Serum for amplified results.

Pair with CellMorph™ 500 Microneedling Serum for amplified results.

References:
Bitto et al. (2008) PMID 18614171 ·
Squadrito et al. (2014) PMID 25122677