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Have you ever looked in the mirror and wished for a magic potion that could erase fine lines, dullness, or those stubborn acne scars that just won’t fade? You are definitely not alone. A few months ago, my skin hit a frustrating plateau. Expensive creams and trendy serums just weren’t cutting it anymore, and I felt my skin losing its natural, youthful bounce. That’s when I stumbled upon the buzzword taking the global skincare world by storm: the Salmon Injection<\/strong>. I know, it sounds a bit fishy at first! But trust me, this K-beauty secret is an absolute game-changer. \ud83d\ude0a<\/p>\n <\/p>\n Despite the name, no one is actually injecting liquid salmon into your face. The term \\”salmon injection\\” is a popular nickname for treatments utilizing PDRN (Polydeoxyribonucleotide)<\/span> or PN (Polynucleotide)<\/span>. These are highly purified DNA fragments extracted from the reproductive organs of wild salmon or trout.<\/p>\n Why salmon, you ask? It turns out that salmon DNA is incredibly similar to human DNA\u2014so much so that it is highly biocompatible with our bodies. When introduced into the human skin, it doesn’t cause immune rejections; instead, it acts as a powerful healing agent. It’s essentially like giving your skin cells a direct instruction manual on how to repair themselves and produce fresh, new tissue.<\/p>\n <\/p>\n When we age, our skin’s ability to produce collagen and elastin drastically slows down. This leads to sagging, wrinkles, and a loss of hydration. Most topical creams only sit on the surface, but salmon injections penetrate the dermis directly. They trigger the body’s natural wound-healing cascade, stimulating fibroblasts (the cells responsible for making collagen). I think this is what makes it so beautifully unique\u2014it’s not filling your face with artificial volume, it’s forcing your own skin to turn back the clock!<\/p>\n To give you a better idea of how it stacks up against other popular treatments, let’s take a look at a quick comparison.<\/p>\n To be completely honest, the idea of getting dozens of tiny injections all over your face can be incredibly daunting. I was totally nervous my first time! The procedure usually starts with a thorough cleansing, followed by the application of a strong topical numbing cream for about 30 to 45 minutes.<\/p>\n Once numb, the doctor uses a very fine needle (or sometimes an injector gun) to deliver the PDRN\/PN serum directly into the superficial layer of the skin. The whole process takes about 15 to 20 minutes. You might feel a series of tiny pricks and a slight stinging sensation\u2014especially because the PN formula is quite viscous. But with a good numbing cream, it is absolutely tolerable.<\/p>\n <\/p>\n Let’s talk about real results. One of the most common reasons people turn to salmon injections is to treat stubborn, atrophic acne scars that lasers alone can’t fully fix.<\/p>\n The Problem:<\/strong> Sarah, 32, struggled with deep rolling scars from teenage cystic acne. Her skin also felt dehydrated and lacked elasticity.<\/p>\n The Treatment Plan:<\/strong> Her dermatologist recommended a protocol of 3 sessions of Rejuran Healer (PN injection), spaced 4 weeks apart.<\/p>\n The Result:<\/strong> <\/p>\n A common question is how many treatments it takes to see that coveted glow. Generally, it depends on your age and skin condition. I have prepared a fun little interactive calculator below to give you a rough estimate! (Please remember, this is just for general guidance\u2014always consult your dermatologist.)<\/p>\nWhat Exactly is a Salmon Injection? \ud83e\udd14<\/strong><\/h2>\n
\ud83d\udca1 Tip: PDRN vs. PN<\/strong>
While often used interchangeably, PDRN is typically used for general healing and light rejuvenation, whereas PN (famous in brands like Rejuran Healer) consists of longer DNA chains. PN stays in the skin longer, providing deeper structural repair and volume support!<\/div>\nThe Science Behind the Glow \ud83e\uddec<\/strong><\/h2>\n
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\n \nFeature<\/th>\n Salmon Injection (PN\/PDRN)<\/th>\n Hyaluronic Acid (HA) Filler<\/th>\n<\/tr>\n<\/thead>\n \n Main Goal<\/td>\n Skin repair, collagen production, texture improvement<\/td>\n Adding instant volume and contouring<\/td>\n<\/tr>\n \n Mechanism<\/td>\n Regenerates cells organically over time<\/td>\n Physically fills in gaps under the skin<\/td>\n<\/tr>\n \n Results Timeline<\/td>\n Gradual (peaks at 2-4 weeks)<\/td>\n Immediate<\/td>\n<\/tr>\n \n Best For<\/td>\n Acne scars, fine lines, overall skin health<\/td>\n Deep folds, lip enhancement, cheekbones<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n ![\"The](\"https:\/\/blog.yeoshin.co.kr\/en\/files\/2026\/09\/file-278.webp-278.webp\")
<\/p>\n\nWhat to Expect During the Procedure \ud83d\udc69\u200d\u2695\ufe0f<\/strong><\/h2>\n
\u26a0\ufe0f Warning: The \\”Embossing\\” Effect<\/strong>
Immediately after the treatment, your face will likely look like it has been stung by a swarm of bees! These little bumps (often called embossing) are completely normal. It means the serum has been placed perfectly in the dermis. They usually subside within 24 to 48 hours, but plan to lay low and avoid important social events right after!<\/div>\nReal-Life Case Study: Defeating Acne Scars \ud83d\udcda<\/strong><\/h2>\n
\n\ud83d\udcdd Example: Sarah’s Journey<\/h3>\n
By week 6 (after the second session), Sarah noticed her skin texture becoming visibly smoother. By week 12, the depth of her acne scars had reduced by approximately 40%, and her face had an undeniable \\”glass skin\\” glow. The DNA essentially forced her scarred tissue to remodel itself!<\/p>\n<\/div>\nHow Many Sessions Do You Need? \ud83e\uddee<\/strong><\/h2>\n
\n\ud83d\udd22 Salmon Injection Session Estimator<\/h3>\n
\nSelect Your Primary Concern:<\/div>\n