Journal
Education on PDRN, Sodium DNA, and formulating for sensitive skin — in plain, cosmetic-scope language.
Best PDRN Serum Canada 2026: The Buyer's Guide
Français Shopping for the best PDRN serum in Canada in 2026? PDRN — listed on cosmetic ingredient labels as Sodium DNA — is a salmon-derived active used in topical serums for hydration, visibly plumper-looking skin, and a brighter...
PDRN vs Hyaluronic Acid: What Is the Difference?
Français PDRN (Sodium DNA) and hyaluronic acid are both used in skincare for their hydration-supporting properties — but they are structurally different materials that work in different ways. Hyaluronic acid is a glycosaminoglycan (a long-chain sugar molecule) that...
How to Use a PDRN Serum: AM and PM Routine Guide
Français A PDRN serum belongs in the treatment step of your routine — after cleansing, before moisturiser. Apply 2–3 drops to clean skin, press gently into the face, then layer your moisturiser and SPF over top. It can...
Salmon DNA in Skincare: What the Viral Trend Actually Means
Français Salmon DNA in skincare — marketed under the name PDRN, and listed on ingredient labels as Sodium DNA — is a purified nucleotide fraction derived from salmon. In topical serums, it is used for its hydration-supporting properties...
PDRN vs Polynucleotides in Skincare: What Is the Difference?
Français PDRN (polydeoxyribonucleotide) and polynucleotides are closely related terms that describe overlapping ingredient categories. PDRN is a specific subtype of polynucleotide — a double-stranded DNA fragment derived most commonly from salmon. The term "polynucleotides" is broader, covering a...
Sodium DNA in Skincare: The INCI Name Behind PDRN
Français Sodium DNA is the INCI (International Nomenclature of Cosmetic Ingredients) name for PDRN — polydeoxyribonucleotide. It is a salmon-derived cosmetic active used in topical serums for its hydration-supporting properties and its association with a visibly more radiant,...
What Is PDRN in Skincare? The Sodium DNA Ingredient Explained
Français PDRN — short for polydeoxyribonucleotide — is a cosmetic active derived from purified salmon DNA. On an ingredient list it appears as Sodium DNA. In topical skincare, it is used for its hydration-supporting and appearance-of-radiance benefits. That...