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Botanical Extract · Aqueous or Oil · Standard or Concentrated

Milk thistle Extract

Silybum Marianum Fruit Extract

Discover Formulate Labs' Silybum Marianum Fruit Extract, a dual-action active supplied as a standard or concentrated hydroglycerin stock. Rich in the potent flavonolignan complex silymarin, with its primary component silibinin, this extract offers significant antioxidant defense and acts as a plant-derived retinol alternative, distinguishing itself from raw powders or generic silymarin-rich thistle materials.

  • Choose aqueous hydroglycerin (base + preservation) or oil macerate in MCT, sunflower, jojoba, or squalane
  • Standard or concentrated loading in every variant. Oil stocks are unpreserved.
  • COA + SDS + TDS per selected recipe · 1 kg, 5 kg, and 17 kg
Strength: Standard
Stock type: Aqueous hydroglycerin
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 age-support and blemish-prone skin 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, Silybum Marianum Fruit Extract, Ethylhexylglycerin, Benzoic Acid
Size: 1 kg Formulation guide
1
Silybum Marianum
Silymarin-Rich Extract
COA & SDS
Every batch
Cosmetic grade
Aqueous hydroglycerin
Specifications

Everything you need on the technical data sheet.

INCI Name
Silybum Marianum Fruit Extract
Common names
Milk Thistle · Silybum marianum seed/fruit powder · silymarin-rich thistle
Strength
Standard or concentrated extract in hydroglycerin stock
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
silybum botanical extract - silybum hydroglycerin stock Extract of Milk Thistle fruit
The extract

Unlocking the Dual Power of Milk Thistle Extract

Formulate Labs offers Silybum Marianum Fruit Extract (INCI: Silybum Marianum Fruit Extract), derived from Milk thistle. While commonly known through trade names like Silybum marianum seed/fruit powder or silymarin-rich thistle, we focus on providing our standardized INCI material rather than specific supplier SKUs, ensuring consistent cosmetic efficacy.

Dual mechanism: Silybum Marianum Fruit Extract is a dual-function active, primarily offering potent antioxidant protection by neutralizing reactive oxygen species (ROS) and mitigating UV-induced oxidative damage. Cosmetically, it functions as a plant-derived retinol alternative, supporting skin's structural integrity by inhibiting elastase and collagenase, and as a sebum-regulating agent to clarify blemish-prone skin by modulating sebaceous stem cell differentiation and curbing lipid peroxidation.

Use levels: For typical applications, incorporate this Standard or Concentrated hydroglycerin stock at 0.1% – 1.0%. Higher performance can be achieved by scaling up to 5% based on specific formulation needs.

Market context: Silybum Marianum Fruit Extract is a versatile active that effectively competes in both age-support and blemish control categories. It provides a unique, plant-derived alternative to synthetic retinoids, offering a favorable tolerability profile. Market analysis shows competing actives such as Celyscence™-class for senotherapeutics, Silymarin-class for UV photodamage mitigation, and NATpharma™-class emphasizing botanical purity and antioxidant defense.

We ship standard or concentrated extract stock with selectable preservation - ready to meter into finished formulas at the use rates in the formulation guide below.*

2
Standard / concentrated
2
Hydroglycerin bases
4
Preservation options
Aqueous
Water-phase compatible
Ingredient deck assessment

What this material is and isn’t.

Botanical
Leaf/stem extract; pentacyclic triterpene saponins
Aqueous stock
Hydroglycerin carrier; water phase
Cruelty-free
No animal testing in our process
Cosmetic grade
For professional formulation use

Formulate Labs provides Silybum Marianum Fruit Extract by INCI name, distinct from market-specific trade names (Silybum marianum seed/fruit powder, silymarin-rich thistle).

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.

Advanced Antioxidant Shield
Potently neutralizes reactive oxygen species (ROS) and mitigates UV-induced oxidative damage to protect against visible photoaging.
Retinol Alternative*
A plant-derived active that supports skin's structural integrity by inhibiting collagenase and elastase, visibly improving fine lines and wrinkles.
Blemish & Oil Control
Helps clarify blemish-prone skin by modulating sebaceous stem cell differentiation and curbing lipid peroxidation.
Highly Tolerable
Clinical studies confirm its excellent safety profile, making it a well-tolerated option for various skin types.

* 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 strongly supports the cosmetic efficacy of Silybum Marianum Fruit Extract. Clinical studies have demonstrated its benefits across key areas, including significant anti-wrinkle efficacy as a retinol alternative and its effectiveness in maintaining homeostasis for acne-prone skin by modulating sebaceous processes. 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.

2024
Clinical Study
Journal of Cosmetic Dermatology

A highly tolerable Silybum marianum fruit extract as a retinol-like and bakuchiol-outperforming ingredient

See journal record

In a clinical setting, this extract demonstrated significant anti-wrinkle efficacy by stimulating collagen III and hyaluronic acid, performing as a highly tolerable retinol alternative that outperformed bakuchiol.

2023
Clinical Study
Journal of Personalized Medicine

Silybum marianum fruit extract (SILIPHOS®) for the physiological homeostasis of acne-prone skin: a 12-month observational study

See journal record

A long-term study confirmed that topical use helps maintain balance in acne-prone skin by modulating sebaceous stem cell differentiation, leading to a substantial reduction in the appearance of microcomedones.

2023
Clinical Study
Journal of Cosmetic Dermatology

Silybum marianum fruit extract in the management of acne: a real-world, 1-year experience

See journal record

A large-scale trial involving 4,230 patients validated the extract's excellent safety profile and confirmed its effectiveness in significantly lowering global acne severity grades in a real-world setting.

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 at the selected Silybum Marianum Fruit Extract loading. Base carrier components scale proportionally when preservative is added; extract stays at the selected loading. Updates dynamically when you change base or preservation above. Full CAS disclosure is on the SDS/TDS for the selected variant (FL-SIM-W1-MBS4-5PCT-001).

Water · 61.137% Propanediol · 25.474% Glycerin · 10.189% Silybum Marianum Fruit Extract · 1.2% Linatural™ MBS-4 · 2%
Water
CAS7732-18-5
Solvent
61.137%
Propanediol
CAS504-63-2
Humectant / solubilizer
25.474%
Glycerin
CAS56-81-5
Humectant carrier
10.189%
Silybum Marianum Fruit Extract
CASContact for COA
Starting botanical load 4% · modeled extracted solids, not an assay
Active botanical extract (triterpene-rich)
1.2%
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)
0.1% – 1.0% for typical applications, scalable up to 5% for enhanced performance.
pH compatibility
4.5 – 5.1 (stock target; finished-formula pH window per stability data)
Solubility
The native silymarin complex is lipophilic, but Formulate Labs' optimized stock carriers allow for easy dispersion into the aqueous phase.
Temperature
Incorporate below 40°C during cool-down; do not exceed 80°C. Protect finished products from prolonged UV exposure.
Incompatibilities
Avoid use with strong oxidizing agents. May impart a natural yellow or brown tint at higher concentrations.
Pairs well with
Not specified in the report.
Self-preserving
Yes - 2% Linatural MBS-4. Boost preservation per your finished-formula needs
Need something different?
Custom extract loading, 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.

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 Silybum Marianum Fruit 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
Formulated for use in cosmetic products targeting age-support, wrinkle appearance reduction, and the management of blemish-prone and oily skin.
Claims guidance
Guidance for cosmetic claims include: Antioxidant protection, Retinol alternative properties, Supports skin's structural integrity, Helps reduce the appearance of fine lines and wrinkles, Sebum-regulating benefits, Helps clarify blemish-prone skin, and Promotes skin homeostasis.
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: antioxidant, skin conditioning agent, sebum regulating agent
  • Full blend composition disclosed on SDS/TDS (FL-SIM series).
  • Supported by real-world clinical data, demonstrating safety for topical cosmetic use in over 4,000 patients.
  • Compatible with FDA cosmetic regulations and EU 1223/2009 for intended cosmetic use when properly incorporated.
Handling
Handle with care due to sensitivity to heat and light. Incorporate during the cool-down phase below 40°C, and ensure final formulation pH is between 3.5 and 6.5. Protect finished products from direct, prolonged UV exposure.
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
$150.00
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