Korean moisturizers place an emphasis on products that hydrate the skin while leaving a texture that remains light to the touch. Rather than trying to combine all the the ingredients in a single product as American moisturizers sometimes do, Korean skincare relies on a layered, multi-step approach to achieve both high hydration and skin barrier support while maintaining a non-occlusive and lightweight finish.
American skincare products tend to utilize higher levels of occlusives, which help protect dry and damaged skin, but may also feel “heavy” at times. Korean moisturizers often employ gels and gel-cream hybrid emulsions to achieve significant hydration while minimizing greasiness.
The disparity in regulatory environment between the U.S. and Korea also represents an important distinction between American and Korean moisturizers. Korea tends to have a regulatory environment more conducive to innovation and more efficient in allowing companies to translate their research and development into consumer-facing products. This allows Korean manufacturers to take advantage of unprecedented delivery systems and novel active ingredients faster than practically any other modernized country.
Why is salmon sperm showing up in skincare?
The basis of skin repair and hydration comes from the DNA fragments call PDRN (polydeoxyribonucleotide) that are isolated from salmon sperm. PDRN was originally investigated for its potential benefits in tissue repair and wound healing – such as patients with non-healing diabetic ulcers. Eventually the positive effect on cellular repair processes was applied to aesthetic medicine to improve the appearance of skin.
What are the potential benefits of using PDRN serums?
The most immediate benefit of PDRN serums is improved hydration, as the PDRN fragments are very effective at attracting and retaining moisture, creating a more dewy and luminous skin tone. With repeated use, skin texture and elasticity improves as the collagen support becomes augmented and the integrity of the skin barrier improves.
What, exactly, doesPDRN do? (Specifically, *how* does it work to promote the aforementioned benefit(s)?)
PDRN stimulate skin repair and collagen synthesis by interacting with receptors which activate fibroblast (skin cell) activity, driving the recovery of dermal injury and the synthesis of new collagen and elastin (the proteins giving firmness and elasticity to skin). Studies have also shown PDRN to have effects on reducing inflammation and redness by reducing the expression of inflammatory cytokines.
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