
When I speak with skincare brands looking for manufacturing partners, serum is usually one of the first products they want to develop.
The reason is simple: Korean skincare has helped transform the global perception of what a serum can be.
A serum is no longer just a concentrated treatment product. Today’s consumers expect lightweight textures, fast absorption, innovative ingredients, elegant packaging, and a clear skincare story.
From snail mucin essence and fermented ingredients to peptides, PDRN, exosomes-inspired skincare, vitamin C, niacinamide, hyaluronic acid, and barrier-supporting formulas, Korean manufacturers have played an important role in bringing new concepts into the global market.
For brands, choosing the right serum manufacturer in Korea is not only about finding a factory that can produce a bottle. It is about finding a partner that understands:
A Korean OEM/ODM manufacturer can be a strong choice for brands that want a premium K-beauty positioning. However, the best manufacturer depends on your target market, product concept, MOQ requirements, budget, and customization needs.
| Manufacturer | Korean location | Main serum capabilities | Public MOQ | Best suited for |
|---|---|---|---|---|
| COSMAX | Seongnam, Gyeonggi-do | Serum, essence, ampoule, eye care, oils, and complete skincare ODM | Quotation required | Established international beauty brands |
| Kolmar Korea | Sejong; R&D center in Seoul | Ampoules, essences, serums, functional skincare, and total ODM | Quotation required | Medium and large skincare brands |
| Cosmecca Korea | Eumseong, Chungcheongbuk-do | Basic skincare OEM/ODM and large-scale product development | Quotation required | Brands requiring scalable Korean production |
| Hankook Cosmo | Cheonan, Chungcheongnam-do | Functional ampoules, liquid, gel, cream, and capsule essences | Quotation required | Performance skincare and professional brands |
| Hanform Cosmetics | Cheongju, Chungcheongbuk-do | Water-gel serums, emulsion serums, ampoules, and turnkey ODM | 5,000 units per SKU | Startups and growing international brands |
| Saehan Cosmetics | Incheon | Facial serums, essences, ampoules, and hair or scalp serums | Quotation required | Brands combining skincare and haircare |
| COEM Cosmetics | Jecheon, Chungcheongbuk-do | Serum, essence, ampoule, mist, masks, and acne-care products | Quotation required | Natural and targeted skincare brands |
| SEMES | South Korea | Serum, ampoule, and general skincare OEM/ODM | Quotation required | Brands requiring flexible Korean production |
| Virevia Labs | Gimpo, Gyeonggi-do | Ampoules, serums, essences, skincare, body care, and export support | Quotation required | International startups and distributors |
| TheAreum | Goyang, Gyeonggi-do | Hyaluronic acid, Bifida, EGF, niacinamide, and booster ampoules | Quantity dependent | Active-focused and smaller custom projects |
Location: Seongnam, Gyeonggi-do
Public MOQ: Quotation required
Best for: Established international brands and large product-development programs
COSMAX is one of Korea’s largest and most internationally recognized cosmetics ODM companies.
Its serum-manufacturing capabilities cover:
COSMAX is particularly strong in formulation technology. Brands can work with its R&D teams on active-ingredient delivery, sensory texture, absorption, stability, and compatibility with the selected packaging.

It is suitable for projects such as peptide serum, brightening serum, ferment essence, barrier serum, antioxidant serum, and high-end treatment ampoule.
COSMAX does not publish a standard serum MOQ. Its business model is generally more appropriate for established brands with clear annual forecasts, development budgets, and international distribution plans.
Location: Sejong, South Korea
Public MOQ: Quotation required
Best for: Medium and large brands seeking differentiated ODM formulas
Kolmar Korea provides complete ODM development for serums, ampoules, and essences.
Its serum capabilities include:
Kolmar can support the development process from market analysis and concept planning through formulation, sample revision, testing, scale-up, filling, and finished-product manufacturing.

One important feature is its principle of providing one prescription to one customer. This can support formula differentiation, although the exact ownership, exclusivity, and transfer rights must still be written into the manufacturing agreement.
Kolmar is more suitable for brands with a clear concept and sufficient order volume than for very small private label projects.
Location: Eumseong, Chungcheongbuk-do
Public MOQ: Quotation required
Best for: Brands requiring scalable serum and essence manufacturing
Cosmecca Korea provides OEM and ODM development for facial serums and essence-type formulas.
Its serum manufacturing strengths include:
Cosmecca is particularly relevant to brands that already have an established customer base and need to move from smaller trial production into larger commercial volumes.

The company’s strength is not simply developing one serum sample. It is more closely connected with industrial-scale formulation, repeat production, automation, and consistency across large batches.
Serum-specific MOQs are not publicly listed and should be confirmed according to the formula, bottle, filling system, and annual forecast.
Location: Cheonan, Chungcheongnam-do
Public MOQ: Quotation required
Best for: Functional ampoules and brands seeking multiple serum textures
Hankook Cosmo has one of the clearest publicly presented serum, ampoule, and essence manufacturing ranges among the companies on this list.
Its capabilities include:
The company also presents dedicated ampoule filling equipment, making it a strong candidate for brands that want a more specialized serum format.

Hankook Cosmo is particularly suitable for:
MOQ depends on the formula, filling volume, bottle, capsule technology, and packaging configuration.
Location: Cheongju, Chungcheongbuk-do
Public MOQ: 5,000 units per SKU
Best for: Startups and growing brands that can support commercial production
Hanform Cosmetics clearly presents its serum and ampoule OEM/ODM manufacturing capabilities.
Its available serum textures include:

Hanform can develop the serum formula, match it with dropper or airless packaging, prepare prototypes, conduct production scale-up, fill the product, and complete the final packaging process.
The standard MOQ is 5,000 units per SKU. A different formula, fragrance, active concentration, or significantly different product variation may require a separate production batch.
Hanform is one of the easier Korean manufacturers to evaluate because it publicly explains its MOQ and development process.
Location: Incheon
Public MOQ: Quotation required
Best for: Brands developing facial, scalp, and hair serums
Saehan Cosmetics provides OEM and ODM manufacturing for several serum categories.
Its serum-related capabilities include:

Saehan is especially relevant to brands that want to develop both facial and scalp or hair serums with one Korean manufacturing partner.
Under an OEM arrangement, the brand may provide an existing formula or manufacturing requirements. Under ODM, Saehan can support the formula, sensory direction, packaging, and product-development process.
Brands should confirm whether facial serum and scalp-serum products are manufactured on separate lines and whether they have different MOQs or testing requirements.
Location: Jecheon, Chungcheongbuk-do
Public MOQ: Quotation required
Best for: Natural, calming, acne-care, and targeted serum projects
COEM Cosmetics develops and manufactures:
Its public product range includes targeted acne-care serum concepts, suggesting experience with formulas designed for specific skin concerns rather than only basic hydration.

COEM may be suitable for brands interested in:
The company does not publish a standard MOQ. Brands should ask separately about existing formulas, semi-custom formulas, and completely original ODM development.
Location: South Korea
Public MOQ: Quotation required
Best for: Brands looking for an alternative Korean serum OEM/ODM candidate
SEMES identifies serum and ampoule as part of its OEM and ODM manufacturing range.
Its serum capabilities appear to include:
Compared with larger companies, SEMES provides less public English-language information about its formulation technologies, MOQ, production capacity, and serum-filling systems.

Before selecting SEMES, brands should request:
SEMES should be treated as a potential supplier requiring further verification rather than selected only because it lists serum manufacturing.
Location: Gimpo, Gyeonggi-do
Public MOQ: Quotation required
Best for: International startups and brands needing project coordination
Virevia Labs provides OEM and ODM development for:
Its process can cover concept planning, ingredient selection, formula development, sample revisions, bottle and packaging coordination, production, and export preparation.

Virevia may be especially useful for international brands that need help communicating with Korean packaging suppliers and organizing the complete serum project.
The company does not publish a standard MOQ. Buyers should confirm the actual manufacturing location and whether the formula is produced in Virevia’s own facility or through a partner factory.
Location: Goyang, Gyeonggi-do
Public MOQ: Depends on the project
Best for: Active-focused ampoules and professional booster products
TheAreum focuses on active ingredients, functional additives, booster formulas, and finished ampoule products.

Its publicly displayed ampoule directions include:
TheAreum may be suitable for brands developing:
The company states that it can support different production quantities, but it does not publish one fixed MOQ. Each project must be quoted according to the formula, active level, bottle, and packaging.
| Your serum project priority | Manufacturers to consider |
| Advanced global ODM development | COSMAX |
| Exclusive custom serum formulation | Kolmar Korea |
| Scalable commercial serum production | Cosmecca Korea |
| Functional and capsule ampoules | Hankook Cosmo |
| Clear 5,000-unit serum MOQ | Hanform Cosmetics |
| Facial, scalp, and hair serums | Saehan Cosmetics |
| Acne-care and botanical serums | COEM Cosmetics |
| Alternative Korean OEM/ODM option | SEMES |
| International coordination and export support | Virevia Labs |
| Active-focused booster ampoules | TheAreum |
The correct choice depends on the serum concept, first-order quantity, active ingredients, package, formula ownership, and intended market.
When brands search for serum manufacturers in Korea, the first attraction is usually the reputation of K-Beauty.
Korea has built a strong global reputation for skincare innovation, especially in areas such as lightweight serum textures, ampoules, fermented ingredients, active ingredients, and trend-driven skincare concepts.
For brands that want a strong “Made in Korea” positioning, Korean manufacturing can provide valuable marketing advantages.
However, for many startups and emerging skincare brands, there is another important factor to consider: manufacturing flexibility.

Large Korean OEM/ODM manufacturers often work with established beauty companies and global brands. While they offer excellent R&D capabilities and advanced production technology, their production model may not always be the easiest option for smaller brands.
Some challenges that startups may face include:
For example, a startup launching its first serum may only want to test 1–3 products with a limited quantity before investing heavily in inventory. In this situation, a manufacturer with more flexible customization options may be a better fit.
This does not mean Korean manufacturers are not suitable. They can be an excellent choice when your brand needs:
However, if your priority is:
an overseas OEM/ODM manufacturer can also be worth considering.
For example, Xiran Skincare is not a Korean manufacturer.Xiran is a China-based skincare OEM/ODM manufacturer specializing in private label skincare development, including serum, facial care, body care, and complete skincare collections.
For emerging brands, Xiran provides support across:
This approach can be suitable for brands that want to validate their market first, develop several products together, or build a complete skincare range instead of only launching one serum.
Ultimately, the best serum manufacturer is not determined only by location.
A Korean manufacturer may be the right choice if “Made in Korea” is an important part of your brand story.
An overseas OEM/ODM manufacturer may be a better option if you need greater flexibility, lower entry barriers, and broader product development support.

