~6 minute read · Updated July 2026
Short answer: in 2026 the ingredients leading Korean skincare are the biotech trio, PDRN, exosomes and NMN, alongside proven veterans like cica and bifida ferment lysate, with glutathione one to watch. Here's what each does and how to choose. Browse Korean skincare.
Korean skincare moves fast, Korea leads, everyone else follows about 18 months behind. Here are the ingredients dominating right now and starting to appear on Australian shelves. Some you'll know; a few might be new. All are worth understanding before you buy.
PDRN (polydeoxyribonucleotide)
The big one. PDRN has gone from niche to the most talked-about molecule in Korean skincare in under two years. It's a fragment of salmon DNA, biocompatible with human skin, valued for supporting the appearance of hydrated, calm, even skin over time. What sets it apart is how gentle it is, no sting, no flush, which is why it suits people who can't handle retinoids or acids. Full guide: What is PDRN?
Exosomes
Tiny particles cells release to communicate. In skincare they're used as gentle messengers and delivery helpers alongside PDRN. The research is young but promising, and Korean brands lead the formulation work, you'll find them paired with PDRN in VITARAN. Full breakdown: What Are Exosomes in Skincare?
NMN (nicotinamide mononucleotide)
A precursor to NAD+, involved in cellular energy. Korean brands include it topically alongside PDRN and exosomes, a "biotech stack." Most exciting NMN research is about oral supplementation, but as a supporting ingredient in a good serum it adds value without irritation. More: NMN in Skincare.
Centella Asiatica (cica)
Not new, but still essential. Valued for supporting the appearance of calm, soothed skin, and one of the most well-studied botanicals in the industry. A safe bet for sensitive skin to pair with newer biotech ingredients like PDRN.
Glutathione
An antioxidant your body makes naturally, used topically in Korean formulas aimed at supporting the look of bright, even-toned skin. Topical evidence is still developing (most research is oral or IV), but it's appearing in enough serious formulations to watch.
Bifida ferment lysate
A fermented probiotic extract quietly present in Korean skincare for years (it's in some of the priciest serums). Valued for supporting the skin barrier and the look of healthy, resilient skin, the probiotic ingredient with the longest track record.
How to think about new ingredients
Is the research on topical use, or are brands borrowing from oral/injectable studies? If the impressive studies used needles or pills, a serum can't claim those results.
Does it solve a problem you actually have? Don't add ingredients because they trend.
Is it formulated well, or listed at a token concentration? Look for meaningful levels of the key ingredient.
The short version
PDRN, exosomes and NMN are the biotech trio leading 2026. Cica and bifida ferment lysate are the proven veterans. Glutathione is one to watch. As always, the best routine is the simplest one that addresses your actual concerns, chase results, not ingredients.
Explore professional Korean skincare →
Frequently asked questions
What are the top Korean skincare ingredients in 2026?
PDRN, exosomes and NMN lead the biotech wave, with cica and bifida ferment lysate as proven veterans and glutathione one to watch.
What's the gentlest of these for sensitive skin?
PDRN and cica are both very gentle and well tolerated, making them a good starting point for sensitive or reactive skin.
How do I know if an ingredient is worth buying?
Check that the research is on topical use (not oral or injectable), that it solves a concern you actually have, and that it's present at a meaningful concentration.
Disclaimer: These are topical cosmetics, not therapeutic goods, and are not intended to diagnose, treat, cure or prevent any disease or condition. Products containing salmon DNA are not suitable for those with fish allergies.
