BENZOYL PEROXIDE; TRETINOIN: Pharmaceutical manufacturers, suppliers, and packagers

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Applicant	Tradename	Generic Name	Dosage	NDA	NDA/ANDA	Supplier	Package Code	Package	Marketing Start
Mayne Pharma	TWYNEO	benzoyl peroxide; tretinoin	CREAM;TOPICAL	214902	NDA	Galderma Laboratories, L.P.	0299-5945-00	6 g in 1 TUBE (0299-5945-00)	2022-03-15
Mayne Pharma	TWYNEO	benzoyl peroxide; tretinoin	CREAM;TOPICAL	214902	NDA	Galderma Laboratories, L.P.	0299-5945-05	30 g in 1 BOTTLE, PUMP (0299-5945-05)	2022-03-15
Mayne Pharma	TWYNEO	benzoyl peroxide; tretinoin	CREAM;TOPICAL	214902	NDA	Galderma Laboratories, L.P.	0299-5945-30	1 BOTTLE, PUMP in 1 BOX (0299-5945-30) / 30 g in 1 BOTTLE, PUMP	2022-03-15
Mayne Pharma	TWYNEO	benzoyl peroxide; tretinoin	CREAM;TOPICAL	214902	NDA	Mayne Pharma Commercial LLC	51862-771-30	1 BOTTLE, PUMP in 1 CARTON (51862-771-30) / 30 g in 1 BOTTLE, PUMP	2025-08-01
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>NDA/ANDA	>Supplier	>Package Code	>Package	>Marketing Start

Last updated: May 31, 2026

Benzoyl Peroxide + Tretinoin Suppliers: What Companies Manufacture the Drug and Key Inputs?

Suppliers for fixed-dose or co-packaged products containing benzoyl peroxide + tretinoin typically fall into three lanes: (1) API and key intermediate manufacturers, (2) finished-dose manufacturers for cream/gel/lotion formats, and (3) contract packaging and distribution partners. Determining the “right” supplier set requires mapping the specific marketed product, strength (eg, 2.5%/0.05%), dosage form (cream vs gel vs lotion), and market (US vs EU vs ROW).

Which companies supply benzoyl peroxide raw material (API) for pharma?

Benzoyl peroxide is generally sourced as a specialty oxidizer and is often produced by chemical manufacturers focused on organic peroxides and polymer/adhesive intermediates, then converted into pharma-grade forms under GMP controls for drug manufacturing use.

What types of benzoyl peroxide suppliers exist?

Specialty chemical producers of organic peroxides (supply pharma-grade benzoyl peroxide and related grades)
Formulation ingredient suppliers providing standardized pharma excipient blends that include benzoyl peroxide dispersion systems
GMP intermediates manufacturers that supply benzoyl peroxide-containing compositions designed for topical dosage forms

What documentation do pharma buyers require from benzoyl peroxide suppliers?

GMP status for drug manufacture use (or controlled supply under quality agreements)
COA and specification sheets covering purity, stabilizer system, and peroxide content
Traceability for peroxide grade and particle size/dispersibility characteristics
Stability data relevant to topical semisolids

Who supplies tretinoin (retinoid) API and intermediates?

Tretinoin suppliers are concentrated among chemical/API firms capable of producing a light-sensitive, quality-critical retinoid API and handling storage and transport controls. Tretinoin is also frequently supplied via contract manufacture of API or via integrated chemical routes.

What types of tretinoin suppliers exist?

API manufacturers producing tretinoin under GMP with packaging and labeling controls suited to photolabile compounds
Intermediate producers supplying advanced intermediates that are converted to tretinoin by API houses
Specialty rework/formulation ingredient suppliers delivering tretinoin in a dispersion-compatible form for topical manufacturing

What documentation do pharma buyers require from tretinoin suppliers?

Specifications for assay, impurities, isomers, and particle size where relevant
Light protection and temperature-controlled handling procedures
Stability indicating method references and shelf-life supporting data
Traceability of synthetic route and batch records

Which finished-dose manufacturers supply benzoyl peroxide + tretinoin combination products?

For combination products, the “supplier” in practice is usually the finished-dose manufacturer of the marketed topical cream/gel. These are often established dermaceutical manufacturers with capability in semisolid manufacturing, oxidizer handling, and retinoid photostability.

What manufacturing capability matters for this combination?

Semisolid manufacturing under controlled conditions to prevent benzoyl peroxide decomposition
Compatibility controls between oxidizer systems and retinoid formulation matrix
Packaging and line-clearance practices to control cross-contamination and oxidizer hazards
Stability testing under ICH conditions with light exposure controls for tretinoin

Who are typical categories of companies doing this work?

Brand holders with in-house manufacturing
Topical-focused generics and contract development and manufacturing organizations (CDMOs)
Contract manufacturers producing finished semisolids for market release under private label or licensing arrangements

How do suppliers differ between US, EU, and other regions?

Supply chains for benzoyl peroxide + tretinoin are region-dependent because:

Different registrants use different NDC/MAH product sources
Finished-dose manufacturing and packaging sites are chosen around local regulatory requirements
Distributor networks differ for cold-chain or light-protected packaging and returns

What typically changes by geography

Which finished-dose manufacturer is the labeled producer
Which API grade is used (or which supplier batch spec system is accepted)
Packaging format (tubes, pumps, multi-dose dispensers) and labeling workflows

What’s the supply risk for benzoyl peroxide + tretinoin sourcing?

Key supply risks relate to the chemical nature of both actives:

Benzoyl peroxide is an oxidizer with stability and handling hazards. Supply can tighten if oxidizer production capacity faces operational constraints.
Tretinoin is photolabile and quality-sensitive, making supplier switching and batch acceptance harder if impurities or physical characteristics drift.

Where supply disruption tends to appear

Shortages of pharma-grade benzoyl peroxide or reformulated dispersions
Requalification delays for alternate API suppliers
Packaging component lead-time constraints (tubes, caps, liners) compatible with oxidizers and retinoids

How strong are patent and exclusivity effects on supplier switching for this combination?

Supplier availability is often constrained more by regulatory and manufacturing qualification than by patents once a product’s exclusivity window closes. In practice:

Generic or follow-on products can source from any qualified suppliers
But manufacturing sites require validation to qualify alternate API and formulation inputs

What buyers do to mitigate supplier switching constraints

Qualification programs that reduce batch-to-batch variation risk
Quality-by-design controls for semisolid properties and active content uniformity
Stability program planning aligned with shelf life and retinoid light sensitivity

What generic entry risks exist for benzoyl peroxide + tretinoin fixed-dose products?

Generic risk is tied to formulation and product performance:

Semisolid formulation bioequivalence can be sensitive to active distribution in the base
Container closure system can affect benzoyl peroxide decomposition and tretinoin stability

What can block generic or CDMO scale-up

Difficulty matching rheology, release behavior, and active content uniformity
Packaging material incompatibility that accelerates active degradation
Lack of validated manufacturing processes for oxidizer-containing topical products

Key Takeaways

Suppliers for benzoyl peroxide + tretinoin come from three functional groups: API/ingredient manufacturers, finished-dose semisolid manufacturers, and packaging/distribution partners.
Benzoyl peroxide supply is dominated by specialty chemical and oxidizer-capable GMP ingredient producers; quality controls focus on peroxide content and stability.
Tretinoin supply is dominated by GMP API houses with robust photostability controls and impurity/spec discipline.
Combination products require CDMO-style capability in semisolid formulation, with explicit controls for oxidizer stability and retinoid light sensitivity.
Supply switching is typically limited by regulatory/quality qualification, not solely by patent barriers.

FAQs

1) Who manufactures benzoyl peroxide USP/EP grades for topical pharma?
Benzoyl peroxide is typically supplied by specialty chemical producers that offer pharma-grade peroxide under GMP-aligned quality agreements and COA/spec controls.

2) Which companies are common tretinoin API suppliers?
Tretinoin is usually sourced from GMP-capable API manufacturers or integrated chemical intermediate-to-API manufacturers with strong impurity control and packaging procedures for photolabile drugs.

3) Can a CDMO source both benzoyl peroxide and tretinoin and manufacture the combination cream/gel?
Many CDMOs can manage dual-active sourcing under quality agreements, then manufacture semisolids with validated compatibility and stability programs, but acceptance depends on buyer qualification and spec alignment.

4) What packaging formats are safest for benzoyl peroxide + tretinoin stability?
Tube systems with compatible liners and closures, plus light-protective handling, are commonly used to manage tretinoin photolability and benzoyl peroxide stability.

5) What typically slows down supplier changes for this drug combination?
Batch release testing, stability study alignment, and manufacturing validation for semisolids are the main practical bottlenecks when switching API or ingredient suppliers.

References (APA)

European Medicines Agency. (n.d.). European public assessment reports (EPAR). https://www.ema.europa.eu/en
U.S. Food and Drug Administration. (n.d.). Drugs@FDA. https://www.accessdata.fda.gov/scripts/cder/daf/
U.S. Food and Drug Administration. (n.d.). Orange Book: Approved Drug Products with Therapeutic Equivalence Evaluations. https://www.accessdata.fda.gov/scripts/cder/ob/

Suppliers and packagers for generic pharmaceutical drug: BENZOYL PEROXIDE; TRETINOIN