It is, without question, one of the more startling names in aesthetic medicine. Salmon sperm injections. If you have heard it mentioned and immediately had questions, you are in very good company. But behind the attention-grabbing nickname lies one of the most scientifically credible and clinically effective regenerative treatments currently available, and it is worth understanding what it actually is before letting the name put you off.
So, do salmon sperm injections work? Yes, and here is the science behind why.
What Are Salmon Sperm Injections?
The treatment commonly referred to as salmon sperm injections is, more accurately, a polynucleotide treatment. At Injectual, we use Ameela, formerly known as Nucleadyn, which is one of the most clinically validated polynucleotide formulations available for aesthetic use.
The "salmon sperm" name comes from the source of the active ingredient. Polynucleotides are long chains of nucleotides, the building blocks of DNA and RNA, and the specific polynucleotides used in these treatments are derived from purified salmon DNA. The extraction and purification process is highly controlled, removing all proteins and cellular material so that what remains is a biocompatible, thoroughly refined ingredient with no resemblance to its source beyond a molecular level.
In short, you are not being injected with anything crude or unprocessed. The salmon connection is simply where the polynucleotides originate.
Why Salmon DNA?
Salmon DNA is used because its polynucleotide structure is highly compatible with human tissue. The molecular similarity means the body accepts and responds to it readily, without triggering an immune reaction. This biocompatibility is one of the key reasons polynucleotides have been used safely in regenerative medicine for decades, long before they became a topic of conversation in aesthetic clinics.
How Do They Work?
Polynucleotide treatments work through several biological mechanisms, each of which contributes to the overall result.
The most important is fibroblast activation. Polynucleotides stimulate fibroblasts, the specialist cells responsible for producing collagen and elastin in the skin. Collagen provides structural support and firmness, while elastin allows the skin to maintain its shape and bounce back. By encouraging fibroblast activity, polynucleotides help to rebuild the structural quality of the skin from within, producing gradual but genuine improvements in firmness, elasticity, and texture.
They also improve microcirculation, which is particularly relevant in the under-eye area. Poor circulation in the tiny capillaries beneath the eyes causes blood to pool, creating dark circles and contributing to puffiness. By enhancing blood flow and supporting lymphatic drainage, polynucleotides address these concerns at their root cause rather than simply masking them.
Beyond this, polynucleotides have well-documented anti-inflammatory properties, helping to calm and soothe the skin, and antioxidant properties that neutralise free radicals and protect against further damage. Together, these mechanisms make polynucleotide treatments genuinely multi-functional, addressing skin quality, tone, texture, and structural integrity simultaneously.
What Do They Treat?
Salmon sperm injections, or polynucleotide treatments, are used to address a broad range of skin concerns. The most common applications include dark circles and puffiness beneath the eyes, fine lines and crepey skin texture, dullness and uneven skin tone, thinning or fragile skin, and the general loss of firmness and radiance that comes with age.
At Injectual, the Ameela eye treatment is one of our most sought-after procedures for patients struggling with under-eye concerns that have not responded to skincare alone. We also offer polynucleotide treatments for the face more broadly, either as a standalone treatment or as part of a wider skin rejuvenation plan.
Are the Results Real?
Yes, and they are well documented both clinically and in patient experience. The key thing to understand is that polynucleotide results are gradual and progressive rather than immediate. Because the treatment works by stimulating your own biology rather than introducing a filler substance, the improvement unfolds over weeks rather than appearing overnight.
Most patients begin to notice a meaningful difference after their second session, with the most significant results visible approximately two months after completing a full course of four treatments. This timeline can feel frustratingly slow for patients accustomed to the instant gratification of filler, but the payoff is a result that looks genuinely natural because it is genuinely biological.
Shakeel Murtaza, a patient at Injectual, had been struggling with persistent dark circles before undergoing a course of polynucleotide eye treatment. He described the results as a total game-changer for his under-eye area. Jack Nuzum, who combined polynucleotides with exosomes, noted that his complexion had never looked clearer or more luminous, describing it as a cellular-level glow. Eva, who had polynucleotides alongside lip filler, said her skin looked revitalised with results that were incredibly natural.
These experiences reflect what we consistently see at Injectual. Not dramatic, obvious changes, but a sustained and progressive improvement that leaves patients looking well-rested and refreshed rather than treated.
Book Your Free Consultation at Injectual London
If you would like to find out whether salmon sperm injections, or more precisely, polynucleotide treatment, is right for you, the best starting point is a free consultation with our team at Injectual London.
