The PDRN Pink Peptide Serum by medicube has received positive feedback for its ability to smooth skin texture. Users have noted improvements in skin texture and hydration, with some experiencing a reduction in blemishes and marks. The serum is praised for its hydrating properties and pleasant texture, which absorbs well into the skin. However, some users have mentioned that the product can feel slightly sticky or rich, which may not be suitable for everyone, especially those with oily skin. Additionally, the scent of the serum has been a point of contention, with some users finding it pleasant and others describing it as slightly fishy or cloying.