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Botanical Extract · Aqueous Hydroglycerin

Fucus Serratus Extract

Fucus Serratus Extract

Aqueous hydroglycerin extract of Fucus serratus whole. Polar phenolics and water-soluble botanical fractions partition into the water-glycerin phase for antioxidant and skin-conditioning cosmetic positioning. Water-phase compatible - we sell the INCI extract in our stock, not a supplier-branded SKU.*

  • Polar-phenolic Fucus Serratus Extract in Water + Propanediol + Glycerin Extract or Hydroglycerin Extract
  • Four preservation systems - 8 recipes total, all made-to-order
  • COA + SDS + TDS per base/preservative variant · 1 kg, 5 kg, and 17 kg
Strength: Standard
Base: Water + Propanediol + Glycerin Extract Full composition
Preservation: Linatural™ MBS-4 INCI breakdown
Aqueous stock with water, propanediol, and glycerin carrying the selected extract loading. Balanced humectancy with propanediol solubilization - default for serrated wrack serums and toners. Preserved with Linatural™ MBS-4 at 2%.
Target pH
4.5 – 5.1
Shelf life (RT · cold)
12–18 mo · 18–24 mo
Final INCI deck (this stock, ordered by %)
Water, Propanediol, Glycerin, Propanediol, Fucus Serratus Extract, Ethylhexylglycerin, Benzoic Acid
Size: 1 kg Formulation guide
1
Serrated Wrack
Polar phenolic extract
COA & SDS
Every batch
Cosmetic grade
Aqueous hydroglycerin
Specifications

Everything you need on the technical data sheet.

INCI Name
Fucus Serratus Extract
Common names
Serrated Wrack
Marker fraction
Polar phenolics and water-soluble fractions
Solubility
Aqueous / water phase
Appearance
Amber to brown aqueous fluid
pH (bulk material)
4.5 – 5.1
Add at
Cool-down < 40–45 °C
Shelf Life
12–18 mo RT · 18–24 mo refrigerated
Fucus serratus botanical extract - hydroglycerin stock Fucus serratus · polar phenolic extract
The extract

Serrated Wrack extract for cosmetic formulas.

Fucus serratus is the botanical behind Serrated Wrack. Formulate Labs ships Fucus Serratus Extract. We do not sell supplier-branded SKUs.*

What extracts: The botanical carries polar phenolics and water-soluble botanical fractions. Those fractions support antioxidant and skin-conditioning cosmetic positioning.*

Use levels: Dose 0.5% to 5.0% of this extract stock in finished formulas - 0.5–2.0% for daily moisturizers, 3.0–5.0% for intensive serums.*

Ready to meter into finished formulas at the use rates in the formulation guide below. Selectable preservation on every variant.*

Phenolics
Polar marker fraction
2
Hydroglycerin bases
4
Preservation options
Aqueous
Water-phase compatible
Ingredient deck assessment

What this material is and isn’t.

Botanical
Whole extract; polar phenolics
Aqueous stock
Hydroglycerin carrier; water phase
Cruelty-free
No animal testing in our process
Cosmetic grade
For professional formulation use

These attributes are assessments based on the ingredient deck and the supplier information available to us. They are not third-party certifications. Common name (Serrated Wrack) is cited for formulator context only - our product is the INCI extract in our stock.

Made to Order

Built fresh on our robotic platform.

Every lot is produced to order in our AI-powered robotic factory. Nothing sits on a warehouse shelf going stale - you get a date-of-manufacture-fresh batch every time.

01
Order placed
You pick a size and quantity. We confirm specs against your formulation if you have one.
02
Robotic production
Your inputs go in. We process, blend, and fill sealed packaging - all inside our AI-powered robotic factory.
03
Batch QC + COA
Every batch is tested for actives, pH, micro, and appearance. A batch-specific COA, SDS, and TDS ship with the order.
Why formulators reach for it

Science-backed cosmetic positioning.

Polar phenolics*
Polar phenolics and water-soluble botanical fractions from Fucus serratus support antioxidant cosmetic positioning in leave-on decks.
Skin-conditioning appearance*
Botanical glycosides and polar fractions support skin-conditioning and calming appearance language. Cosmetic structure/function only - not a drug claim.
Extractable fractions*
The plant carries polar phenolics, glycosides, and related markers. Those fractions support antioxidant and skin-conditioning cosmetic stories. Lot identity is on the COA.
Serrated Wrack botanical identity*
Extract of Fucus serratus. We sell the INCI extract in our stock, not a supplier-branded SKU.

* Structure/function statements based on published cosmetic in-vitro studies. Not evaluated for, and not intended to, diagnose, treat, cure, or prevent any disease.

Published research

Peer-reviewed literature for due diligence.

Peer-reviewed literature on Fucus Serratus documents polar phenolics and water-soluble botanical fractions. Papers below are independent botanical context, not a claim that this stock was the test article. These are independent, third-party papers we link for formulators evaluating mechanism, tolerability, and published panel data. We did not conduct this research and do not guarantee replication in your finished formula.

2019
Paper
Scientific reports

The Screening and Evaluation of Fucus serratus and Fucus vesiculosus Extracts against Current Strains of MRSA Isolated from a Clinical Hospital Setting.

Higgins Hoare A, Tan SP, McLoughlin P et al.

Peer-reviewed record for this botanical. Cosmetic context only - not a claim that our stock was the test article.

DOIPubMed
2016
Paper
The New phytologist

Arabinogalactan proteins have deep roots in eukaryotes: identification of genes and epitopes in brown algae and their role in Fucus serratus embryo development.

Hervé C, Siméon A, Jam M et al.

Peer-reviewed record for this botanical. Cosmetic context only - not a claim that our stock was the test article.

DOIPubMed
2015
Paper
Biofouling

Seasonal fluctuations in chemical defenses against macrofouling in Fucus vesiculosus and Fucus serratus from the Baltic Sea.

Rickert E, Karsten U, Pohnert G et al.

Peer-reviewed record for this botanical. Cosmetic context only - not a claim that our stock was the test article.

DOIPubMed

These citations are provided for informational and formulation-research purposes only. Study designs, concentrations, vehicle systems, and populations vary and may not match the extract stocks on this page. Published results do not constitute FDA or EU cosmetic claim substantiation for your brand. Always review the primary literature and consult your regulatory counsel before making structure/function statements on finished products.

Composition

What’s in this hydroglycerin stock.

Bulk composition of this Fucus Serratus Extract hydroglycerin stock. Base carrier components scale when preservative is added. Updates when you change base or preservation above. Full CAS disclosure is on the SDS/TDS for the selected variant (FL-FSW-W1-MBS4-5PCT-001).

Water · 61.175% Propanediol · 25.489% Glycerin · 10.196% Fucus Serratus Extract · 1.14% Linatural™ MBS-4 · 2%
Water
CAS7732-18-5
Solvent
61.175%
Propanediol
CAS504-63-2
Humectant / solubilizer
25.489%
Glycerin
CAS56-81-5
Humectant carrier
10.196%
Fucus Serratus Extract
CASContact for COA
Starting botanical load 3% · modeled extracted solids, not an assay
Active botanical extract (flavonoid- and phenolic-rich)
1.14%
Linatural™ MBS-4
Multifunctional preservative
2%
Inside Linatural™ MBS-4
Propanediol
CAS504-63-2
1.7%
Ethylhexylglycerin
CAS70445-33-9
0.2%
Benzoic Acid
CAS65-85-0
0.1%
Formulation guide

Built for chemists who sweat the details.

Typical use rate (this stock)
0.5% – 5.0% of this hydroglycerin stock in finished formula (0.5–2.0% for daily moisturizers, 3.0–5.0% for intensive serums)
pH compatibility
4.5 – 5.1 (stock target; finished-formula pH window 4.5 – 7.0 per stability data)
Solubility
Water-soluble - aqueous phase, hydroglycerin, and propanediol-enhanced bases
Temperature
Moderately stable during emulsification; add during cool-down below 40–45 °C; store bulk cool, dry, and shielded from direct UV
Incompatibilities
Extreme low-pH systems that hydrolyze flavonoid glycosides; high-tannin co-extracts that can precipitate
Pairs well with
Panthenol, ceramides, hyaluronic acid, niacinamide, bisabolol, our Sea Kelp Bioferment, peptides
Self-preserving
Yes - 2% Linatural MBS-4. Boost preservation per your finished-formula needs
Need something different?
Alternate carriers, bulk sizing, or a regulatory packet - reach out and we’ll quote.

Documentation

SDS + TDS are issued per selected recipe. Links swap when you change selections above. A sample COA shows the standard extract QC panel (pH, organoleptic, TAMC/TYMC). Lot-specific COAs ship with every order.

Safety Data Sheet (SDS)
16-section GHS · aqueous extract stock
Technical Data Sheet (TDS)
Composition, storage, incorporation guidance
Certificate of Analysis (sample)
pH · organoleptic · TAMC < 100 · TYMC < 10 CFU/g
Phytochemistry note

We cook the raw botanical powder into the selected carrier. The botanical carries polar phenolics, flavonoid glycosides, and related extractable fractions. Those markers support antioxidant and skin-conditioning cosmetic stories. This is not a solvent isolate or a standardized marker extract. Lot identity appears on the COA and TDS.

Quality & claims

Quality, process, and what we will (and will not) claim.

This is a ready-to-use cosmetic extract stock, not a finished consumer product and not a standardized marker isolate. We cook the raw botanical powder into the selected hydroglycerin or oil carrier. Aqueous lots are released on pH, organoleptic, TAMC, and TYMC (total counts only). Oil macerates are released on organoleptic only. A sample COA is on this page; the lot-specific COA ships with the order.

Download sample Certificate of Analysis
What we sell
A made-to-order cosmetic extract stock in 1 kg, 5 kg, and 17 kg. Choose aqueous hydroglycerin (base + preservation) or, where offered, an oil macerate. Strength is Standard or Concentrated. We sell the INCI extract in our carrier - not a supplier trade-name SKU and not a finished leave-on product.
How it is made
We cook the raw botanical powder into the selected hydroglycerin or oil carrier on our robotic platform, then fill to order. Aqueous stocks ship preserved at the system you select. Oil macerates ship anhydrous (no water-phase preservative). Extracted solids on the composition bar are modeled from the starting botanical load - they are not an HPLC assay.
Standard extract QC
  • Organoleptic (all stocks): appearance, odor, consistency
  • Aqueous only: pH (typical 4.5–5.5 for the selected preservative)
  • Aqueous only: TAMC < 100 CFU/g and TYMC < 10 CFU/g (total counts; no pathogen panel)
  • Oil macerates: organoleptic only - no pH, TAMC, or TYMC
Not on the default panel: marker assays, heavy metals, pesticides, residual solvents, or individual pathogen screens. Ask if you need those quoted.
What we can claim
Cosmetic structure/function language only: skin- or hair-conditioning, antioxidant cosmetic stories, and appearance-based well-aging positioning supported by published literature. INCI, composition, SDS/TDS, and a lot COA. Compatible with intended cosmetic use under FDA cosmetic rules and EU 1223/2009 when the finished formula is properly assessed.
What we cannot claim
No disease, treatment, cure, or prevent claims. No ingestible / TCM drug positioning. No guarantee that published pathways will reproduce in your finished formula. Not certified organic, COSMOS, vegan, kosher, halal, or non-GMO unless a separate certificate is issued. We do not sell this as a dietary supplement. We do not name a vendor or country of origin for the incoming powder on this page.
Documents with the order
SDS and TDS for the selected recipe (links above swap with your selection). Sample COA on this page for the standard QC panel. Lot-specific COA ships with every batch. Custom loading, alternate carriers, or a fuller regulatory packet - email materials@formulatelabs.ai.
What exactly ships?
A bulk cosmetic extract stock in 1 kg, 5 kg, or 17 kg. Aqueous lots use Water + Propanediol + Glycerin or classic hydroglycerin, with a selectable preservation system. Oil macerates (where offered) ship in a carrier oil, unpreserved. Botanical INCI is Fucus Serratus Extract. The finished-product INCI is the full selected deck in descending order. We sell the INCI extract in our carrier, not a supplier trade-name SKU.
How is it made?
We start from the raw botanical powder and cook it into the selected hydroglycerin or oil carrier on our robotic platform, then fill to order. Aqueous stocks ship preserved at the system you select. Oil macerates ship anhydrous (no water-phase preservative). Extracted solids on the composition bar are modeled from the starting botanical load - they are not an HPLC marker assay.
What is on the COA?
Aqueous: appearance, odor, consistency, pH, TAMC < 100 CFU/g, TYMC < 10 CFU/g (total counts only - no pathogen panel). Oil: organoleptic only; no pH, TAMC, or TYMC. The sample COA on this page shows representative passing numbers. Your lot COA carries the real lot number and measurements. Marker assays, heavy metals, pesticides, residual solvents, and individual pathogen screens are not on the default panel. Ask if you need those quoted.
Is this a standardized marker isolate?
No. This is a whole-botanical powder extraction into the selected carrier, not a solvent isolate and not a standardized marker extract unless a separate assay is specified and quoted. Composition percentages for extracted solids are modeled from starting botanical load.
Where is the botanical from, and is the stock certified?
Stock is manufactured to order in Fenton, MO. Incoming botanical powder varies by lot. We do not list a vendor or country of origin on this page. The finished extract stock is not certified organic, COSMOS, vegan, kosher, halal, or non-GMO unless a separate certificate is issued. No fragrance is added. Full deck disclosure is on the SDS for the selected recipe.
What can we claim on a finished formula?
Cosmetic structure/function language only: skin- or hair-conditioning, antioxidant cosmetic stories, and appearance-based well-aging positioning. Published literature is due diligence, not finished-product claim substantiation. Do not claim diagnosis, treatment, cure, or prevention of disease. Do not position this as an ingestible, TCM drug, or dietary supplement.
Lead time and shelf life?
Made to order on our robotic platform. Aqueous target shelf life is 12–18 months at room temperature, 18–24 months refrigerated, preservative-dependent. Oil macerates are similar unopened ranges; protect from light and heat. Use-by on the lot COA governs the batch you receive.
Compliance & safety

The fine print, in plain English.

What it’s for
Cosmetic raw material for water-phase skincare - serrated wrack serums, toners, and leave-on care at the use rates in the formulation guide. Not a finished consumer product.
Claims guidance
Cosmetic structure / function language only. Appropriate positioning includes barrier-support appearance, calming/redness-reduction, and antioxidant cosmetic stories. Do not make therapeutic claims (treats eczema, heals wounds/burns, prescription drug claims). We sell the INCI extract in our stock, not a supplier-branded SKU.
Storage
  • Store tightly closed, protected from light and heat.
  • Refrigeration optional for extended shelf life per TDS.
  • Aqueous botanical - monitor for color shift over time.
Regulatory
  • Finished-product INCI lists components in descending order per the selected variant deck.
  • Cosmetic function: skin conditioning agent, antioxidant.
  • Full blend composition disclosed on SDS/TDS (FL-FSW series).
  • Compatible with FDA cosmetic regulations and EU 1223/2009 for intended cosmetic use when properly incorporated.
Handling
Water-soluble botanical extract - moderately stable during emulsification; add below 40–45 °C. Avoid extreme low-pH co-formulation with concentrated acids. Store bulk cool, dry, and shielded from direct UV. Patch-test finished formulations per standard cosmetic protocol.
Questions
Documentation, regulatory, or custom sizing - email materials@formulatelabs.ai.

Statements contained on this page (including any marked with *) have not been evaluated by the U.S. Food and Drug Administration. This product is a cosmetic raw material and is not intended to diagnose, treat, cure, or prevent any disease.

1 kg
$148.00
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