Tender knowledge base

Cosmetic ingredient
questions, answered.

Direct answers for formulation, sourcing, QA, regulatory and commercial teams.

General FAQ

Working with Tender

What cosmetic active ingredients does Tender supply?

Tender's current portfolio includes Ectoin, Hydroxypropyl Tetrahydropyrantriol, Copper Tripeptide-1, Acetyl Hexapeptide-8 and Ergothioneine.

Who can request a sample?

Cosmetic formulators, skincare brands, contract manufacturers, laboratories, qualified distributors and professional sourcing teams may submit a sample request for project review.

What should I include in an RFQ?

Include the INCI or product, grade or assay requirement, application, sample or order quantity, annual forecast, destination country, pack preference, target timing and required documents.

Does Tender provide COA, TDS, SDS and specifications?

Document availability is confirmed for the exact offered grade. Request the specification, TDS, SDS, representative or batch COA, storage guidance and packaging details with your inquiry.

Are the products intended for consumers or injection?

No. Tender materials are professional cosmetic raw materials for topical formulation only. They are not finished consumer products and are not offered for injection, ingestion, therapeutic use or pharmaceutical compounding.

Can Tender guarantee a finished-product claim?

No raw-material supplier can replace the brand's finished-formula assessment. Claims must be reviewed against the exact grade, use level, complete formula, evidence and destination-market rules.

Does an INCI match prove equivalence to a trademarked ingredient?

No. A third-party trade name can identify a specific grade, carrier system and supporting dossier. Tender products are supplied by agreed INCI and specification and do not imply trademark ownership or commercial-grade equivalence.

Which markets does Tender serve?

Tender is designed for international B2B inquiries, with a primary focus on customers in Europe and North America. Regulatory and logistics feasibility are reviewed by product, grade and destination.

Ingredient FAQ

Ectoin

What is Ectoin used for in cosmetic formulation?

Ectoin is used in hydration, barrier-support, sensitive-skin and environmental-resilience skincare concepts. The final claim set depends on the supplied grade and evidence for the finished formula.

Is Tender Ectoin supplied as a powder?

The current raw-material photograph shows a white powder. Confirm physical form, assay basis, packaging and batch appearance in the quotation and specification for the material being offered.

Is Ectoin water soluble?

Commercial Ectoin grades are commonly formulated in water-containing systems, but solubility, addition stage, pH and temperature limits must be confirmed against Tender's current grade-specific TDS.

Which documents can I request?

Ask for the current specification, TDS, SDS, representative or batch COA, storage guidance and packaging information appropriate to your project.

Can I request an Ectoin sample before ordering?

Yes. Share the application, destination market, target quantity and document requirements so Tender can review the request and confirm sample availability.

Ingredient FAQ

Hydroxypropyl Tetrahydropyrantriol

What is Hydroxypropyl Tetrahydropyrantriol?

It is a cosmetic skin-conditioning ingredient used in premium well-aging, firmness, hydration and mature-skin formulations. Buyers should evaluate the exact grade and active basis being offered.

Is it the same as a well-known third-party trade name?

Hydroxypropyl Tetrahydropyrantriol is the INCI name. Third-party trade names identify specific commercial products and supporting dossiers. Tender supplies by agreed INCI and specification and does not imply trademark ownership or grade equivalence.

Is the Tender material a powder or solution?

The current Tender material photograph shows a powder. Because the market contains both powder and solution presentations, confirm assay basis, appearance and use-level calculation in the Tender specification and COA.

What formulations can use this ingredient?

It is commonly considered for leave-on serums, eye products, creams, lotions and masks positioned around firmness, smoothness, hydration or visible skin quality.

Can Tender provide technical documents and a sample?

Request the specification, TDS, SDS, COA, storage guidance and packaging information together with a sample inquiry. Availability is confirmed for the selected grade and destination.

Ingredient FAQ

Copper Tripeptide-1

What is Copper Tripeptide-1 in skincare formulation?

Copper Tripeptide-1 is a copper-complexed cosmetic peptide, commonly associated with GHK-Cu, used in premium topical skincare concepts focused on visible renewal, firmness and vitality.

Why is Copper Tripeptide-1 blue?

The copper complex gives commercial material a characteristic blue appearance. Color is a useful visual check but cannot replace identity, assay and batch-conformity testing.

What compatibility questions should a formulator ask?

Ask for the grade-specific pH window, solubility, addition stage, temperature limits and compatibility guidance for chelators, reducing agents, preservatives and other active ingredients.

Is this material intended for injection or therapeutic use?

No. Tender presents Copper Tripeptide-1 as a cosmetic raw material for professional topical formulation only, not for injection, ingestion, medical treatment or direct consumer use.

What should be included in a Copper Tripeptide-1 inquiry?

Provide the application, desired grade or assay basis, sample quantity, forecast demand, destination country and required COA, TDS, SDS or specification files.

Ingredient FAQ

Acetyl Hexapeptide-8

What is Acetyl Hexapeptide-8 used for?

It is used in topical cosmetic products positioned around the appearance of expression lines and smoother-looking skin, including targeted serums, eye products and multi-peptide formulas.

Is Acetyl Hexapeptide-8 the same as Argireline?

Acetyl Hexapeptide-8 is an INCI name. Argireline® is a third-party trademark identifying specific Lubrizol commercial products and supporting evidence. Tender is not affiliated with the trademark owner and does not imply grade equivalence.

Is the quoted use level based on pure peptide or a solution?

That distinction must be confirmed for every offer. A commercial solution percentage and the concentration of neat active peptide are not interchangeable, so calculate use level from the grade-specific TDS and COA.

Which technical details matter before formulation?

Confirm identity, assay, physical form, solubility, pH and temperature window, addition stage, preservative system, storage and the supporting claims package.

Can Tender provide a formulation sample?

Tender can review raw-material sample requests. Finished example formulations or detailed use guidance are supplied only when available for the selected grade and should still be validated by the customer's qualified formulator.

Ingredient FAQ

Ergothioneine

What is Ergothioneine in cosmetic formulation?

Ergothioneine is a sulfur-containing amino-acid derivative used in topical products positioned around antioxidant care, environmental-stress support, radiance and visible skin vitality.

Is Ergothioneine a peptide?

No. Ergothioneine is not a peptide; it is a sulfur-containing amino-acid derivative that occurs in nature. Commercial origin and production route must be confirmed for the exact offered grade.

What is the difference between Ergothioneine and L-Ergothioneine?

Ergothioneine is the INCI and common ingredient name, while L-(+)-Ergothioneine specifies the stereochemical form. Current supplier documents declare the offered material as L-(+) with (S)-configuration. That declaration should be verified for the commercial batch by a controlled specification and a current COA reporting specific rotation or another suitable stereochemical method.

What does the current grade look like and is it water soluble?

Current technical documents describe a white to off-white crystal or powder that is soluble in water. Confirm appearance, solubility and conformity against the current specification and batch COA for the offered material.

What use level should formulators evaluate?

Available supplier product literature lists 0.1–3% as a preliminary suggested range. This is not a controlled TDS or universal regulatory limit: use the current grade-specific TDS and complete a safety, compatibility and destination-market review for the finished formula.

Which documents can buyers request?

Request the current specification, TDS, market-appropriate SDS, representative or batch COA, storage guidance, packaging details and any available safety or regulatory support for the exact offered grade.

Need a grade-specific answer?

Send the product, market and document list.

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