Sturgeon Coelomic Fluid Filtrate: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: June 30, 2025
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We verify all information on this page using publicly available nomenclature standards from The Personal Care Products Council (PCPC), the European Commission's CosIng database and documentation provided directly by ingredient manufacturers. Our analysis is based on technical data from these sources to ensure accuracy and reliability.

What Is Sturgeon Coelomic Fluid Filtrate?

Sturgeon Coelomic Fluid Filtrate comes from the clear body fluid found inside the body cavity of sturgeon, a long-lived fish valued for its roe. This fluid is naturally rich in water-binding proteins, amino acids, sugars and trace minerals that help keep the fish’s internal tissues moist. In the early 2000s seafood processors began looking for ways to use every part of the sturgeon in order to cut waste. Researchers noticed the coelomic fluid’s strong moisture-holding ability and its gentle protein profile, leading cosmetic chemists to test it for skin care. After safety evaluations it started to appear in premium spa lines and niche anti-aging ranges.

To make the cosmetic-grade filtrate, the raw fluid is collected from food-grade sturgeon during routine processing, then passed through microfilters to remove cells and impurities. The resulting liquid is further purified, sterilized and often concentrated to standardize its active components. This careful handling keeps the bioactive molecules intact while removing odor, color and any potential contaminants.

You will most often see Sturgeon Coelomic Fluid Filtrate in hydrating serums, sheet masks, rich night creams, eye gels, after-sun treatments and high-end anti-aging moisturizers where deep hydration and a silky finish are key selling points.

Sturgeon Coelomic Fluid Filtrate’s Cosmetic Benefits/Uses

Formulators choose this marine derivative for two primary reasons

  • Humectant. The filtrate pulls water from the environment and the deeper skin layers toward the surface, helping to keep the stratum corneum plump soft and comfortable. This extra water also improves the spreadability of creams and serums so they feel lighter on the skin.
  • Skin conditioning. Its blend of peptides and minerals leaves a smooth feel on application and can temporarily reduce the look of fine lines caused by surface dryness. Over time regular use can support a more supple complexion making makeup sit better and reducing rough patches.

Who Can Use Sturgeon Coelomic Fluid Filtrate

This marine humectant works well for most skin types. Dry and mature skin tend to benefit the most thanks to its strong water-binding abilities. Normal and combination skin can also enjoy the added softness without a heavy feel. Oily skin usually tolerates it because the filtrate itself is non-greasy though those who shy away from animal-derived actives may prefer plant alternatives.

It is not suitable for vegans or strict vegetarians since it comes from sturgeon, a fish. Some brands using this material hold sustainable fishing or by-product certifications, yet the ingredient remains animal sourced.

Topical use during pregnancy or while breastfeeding is generally viewed as low risk because the molecules sit on the skin surface and are not known to penetrate deeply. Still this is not medical advice and anyone who is pregnant or nursing should run any skin care product past a qualified health professional to be safe.

The filtrate does not make skin more sensitive to sunlight so it is fine for day or night use. As with any animal-derived ingredient people with a known fish allergy should proceed carefully.

Potential Side Effects/Adverse Reactions

Reactions to Sturgeon Coelomic Fluid Filtrate vary by individual. The points below outline possible issues but most users will not notice any problems when the ingredient is formulated and preserved correctly.

  • Mild redness or stinging on very sensitive skin
  • Itchiness in those with a fish or seafood allergy
  • Transient tight feeling if applied to extremely dehydrated skin without a follow-up occlusive moisturizer
  • Breakouts in rare cases if used in a rich formulation on acne-prone skin

If irritation, rash or any other adverse effect appears stop using the product and seek medical advice if symptoms persist.

Comedogenic Rating

Rating: 0 / 5

Sturgeon Coelomic Fluid Filtrate is almost entirely water, small peptides and minerals with virtually no oils or waxes so it does not clog pores. Lab tests show it rinses clean and leaves no film, giving it a true non-comedogenic profile.

This makes it generally suitable for people prone to acne or frequent breakouts.

Keep in mind final comedogenicity always depends on the full product formula as heavier emulsifiers or occlusives paired with the filtrate can change how skin reacts.

Summary

Sturgeon Coelomic Fluid Filtrate acts mainly as a humectant and skin-conditioning agent. Its amino acids and sugars pull water into the outer skin layers while its lightweight peptides leave a soft silky finish, helping skin look smoother and feel more comfortable.

The ingredient remains a niche pick found mostly in luxury spa lines rather than mass-market products due to limited supply and higher cost.

Overall safety is considered high with only rare irritation or allergy concerns. As with any new skincare ingredient a brief patch test is smart when first trying a product that contains it.

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