Ingredient review
Sturgeon Coelomic Fluid Filtrate
INCI: Sturgeon Coelomic Fluid Filtrate
A protein-rich ingredient from sturgeon fluid that may help hydrate and temporarily firm skin, but scientific evidence is limited and it comes with ethical and sustainability concerns.
In plain English
This ingredient is a filtered liquid taken from the body cavity of sturgeon fish (the same fish that give us caviar). It contains proteins, amino acids, and minerals that can help moisturize skin and give it a temporary plumped or firmed appearance. Think of it as a very fancy, fish-derived hydrating serum ingredient. Because it's a natural extract, its exact composition can vary between batches, and most of its claimed benefits come from traditional use rather than large-scale clinical studies.
Review score
Safety, usefulness, and evidence
Potentially useful with some tradeoffs
The evidence base is still emerging, so marketing claims deserve extra caution.
Risk flags are low for most users, though the finished product can still irritate.
- Source
- natural
- Evidence
- emerging
- Irritation
- low
- Clogging risk
- low
Quick decision guide
Useful, but context matters
Sturgeon Coelomic Fluid Filtrate is generally a lower-concern ingredient when the full formula suits your skin.
Plain-English read
Treat this as a practical screening step before you compare products that contain this ingredient.
- Step 1Start with the score, then check the irritation and clogging risk before judging Sturgeon Coelomic Fluid Filtrate.
- Step 2Use the "Best for" and "Use caution if" sections to match the ingredient to your skin, not just to a marketing claim.
- Step 3If a product stings, breaks you out, or worsens irritation, judge the finished formula and stop using it even if the ingredient scores well.
Score terms in plain English
Irritation risk
lowLess likely to sting, burn, or bother most users, though sensitive skin can still react.
Clogging risk
lowLess likely to feel heavy or contribute to clogged pores for most skin types.
Evidence level
emergingThe ingredient may be promising, but claims should be treated more cautiously.
What it is
A filtrate of the coelomic fluid (the fluid surrounding the internal organs) of sturgeon fish, rich in proteins, peptides, amino acids, and trace minerals.
How it works
When applied to skin, the proteins and amino acids in the filtrate form a thin film on the surface, which can help reduce water loss (transepidermal water loss, or TEWL) and temporarily tighten the skin. Some peptides may also signal skin cells to boost collagen production, though this effect is not well-proven in human studies.
Pros
Immediate surface hydration
The proteins and amino acids form a film that helps lock in moisture, giving skin a smoother, more plump appearance right after application.
Luxury appeal
Often featured in high-end products, this ingredient adds a sense of indulgence and exclusivity to a skincare routine.
Cons and cautions
Limited scientific backing
Most claims about firming and anti-aging are based on ingredient composition and traditional use, not robust clinical trials on human skin.
Ethical and sustainability concerns
Harvesting coelomic fluid involves sturgeon farming, which raises questions about animal welfare and environmental impact, especially since some sturgeon species are endangered.
Best for
- People looking for a luxury, pampering skincare experience
- Those with dry or dehydrated skin who want extra surface hydration
Use caution if
- Individuals with known fish or seafood allergies
- Vegans and vegetarians
- Those concerned about animal-derived ingredients or sustainability
Usage tips
Safety summary
Considered safe for topical use with low irritation and comedogenic risk. The main safety concern is potential allergic reaction in individuals with fish allergies. As with any natural extract, quality and purity depend on the supplier.
Research notes
Evidence is largely anecdotal and based on ingredient composition (proteins, amino acids). No large-scale, peer-reviewed human studies confirm anti-aging or firming benefits. More research is needed to substantiate marketing claims.
Common label clues
- Typical concentration
- Typically 0.1% to 2% in leave-on products
- Regulatory status
- Generally recognized as safe for cosmetic use in the EU and US, but not specifically regulated as a drug ingredient. No known restrictions on concentration.
- Common uses
- Anti-aging serums, Luxury moisturizers, Eye creams
- Environmental note
- Sourcing depends on sturgeon farming practices. Overfishing of wild sturgeon for caviar has endangered some species, so look for products that use farmed sturgeon from certified sustainable sources.
Good to know
- Sturgeon coelomic fluid is sometimes marketed as 'caviar extract,' but it is not the same as caviar (the eggs).
- The ingredient is typically processed to remove solids, resulting in a clear or slightly opalescent liquid.
Common questions
What is Sturgeon Coelomic Fluid Filtrate in beauty products?
This ingredient is a filtered liquid taken from the body cavity of sturgeon fish (the same fish that give us caviar). It contains proteins, amino acids, and minerals that can help moisturize skin and give it a temporary plumped or firmed appearance. Think of it as a very fancy, fish-derived hydrating serum ingredient. Because it's a natural extract, its exact composition can vary between batches, and most of its claimed benefits come from traditional use rather than large-scale clinical studies.
What does Sturgeon Coelomic Fluid Filtrate do in a beauty product?
When applied to skin, the proteins and amino acids in the filtrate form a thin film on the surface, which can help reduce water loss (transepidermal water loss, or TEWL) and temporarily tighten the skin. Some peptides may also signal skin cells to boost collagen production, though this effect is not well-proven in human studies.
Is Sturgeon Coelomic Fluid Filtrate safe for most people?
Considered safe for topical use with low irritation and comedogenic risk. The main safety concern is potential allergic reaction in individuals with fish allergies. As with any natural extract, quality and purity depend on the supplier.
Who should be careful with Sturgeon Coelomic Fluid Filtrate?
Individuals with known fish or seafood allergies Vegans and vegetarians Those concerned about animal-derived ingredients or sustainability
Research sources
Ingredient reviews are educational and are not medical advice. Patch test new products and ask a licensed clinician about persistent irritation, allergies, pregnancy-specific questions, or diagnosed skin conditions.