PDRN

What it does

Polynucleotides derived from salmon DNA, used in clinics for repair and hydration. At home-care concentrations the effect is subtler, but the direction is the same.

How to use it

Serum, evening. Works best in a routine that already has the basics right.

Pairs well with

• Peptide Complex Signals the skin to firm; slow, cumulative, worth the patience. Read more
• Ceramides Rebuild the lipid layer that keeps moisture in and irritants out. Read more
• Panthenol Vitamin B5 — soothing, humectant, friendly to compromised skin. Read more