Product Guide
Dr.Reju All Advanced PDRN Copper Peptide Serum is a 30ml dropper serum combining salmon derived PDRN with copper peptide and a broader peptide blend. The brand lists 1,200ppm sodium DNA and positions the serum as a lightweight daily treatment step.

Dr.Reju-All Advanced PDRN Copper Peptide Serum
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Useful if: choose it if you want a conventional dropper serum combining PDRN with copper peptide rather than a cream, mask or mist format.
The product combines sodium DNA with copper tripeptide and several supporting peptides rather than relying on PDRN as the only headline ingredient. Hyaluronic acid and hydrolysed collagen also appear in the ingredient story.
The brand states 1,200ppm PDRN. That is a formulation claim for this topical serum and should not be interpreted as making it equivalent to injectable polynucleotide treatments.
The official product information identifies the PDRN source as salmon derived. If you have a fish allergy or a specific reason to avoid marine derived ingredients, check the current packaging before use.
The formula also includes fragrant plant oils. If your skin is sensitive to fragrance or essential oils, the full ingredient list is worth checking rather than choosing on the PDRN name alone.
Use it at the serum stage after cleansing and toner, then follow with moisturiser. If you already use several active serums, adding another treatment layer is not automatically better. Choose a routine that stays simple enough to use consistently.