About Mac-Bon

Mac-Bon is a global lash technology brand headquartered in Korea.We are supported by the formulation R&D and fundamental chemistry expertise of our Japan-based team,designing products grounded in real-world application scenarios,and leveraging China’s mature supply chain and integrated support systemsto enhance efficiency and stability while maintaining uncompromising quality standards.

Formulation Scientist

Role Overview
You will be involved in the development and optimization of Mac-Bon’s core formulation systems, ensuring our products maintain safety, stability, and consistency across different climates and usage scenarios.
This role goes beyond formulation work alone.
You will help build globally reproducible technical foundations that support scalable products and long-term reliability.

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Key Responsibilities

• Participate in the formulation design and optimization of eyelash adhesives, lash lifting, and eye-care products
• Collaborate with the Japan-based fundamental chemistry team on material selection and performance validation
• Design and conduct stability, safety, and consistency testing
• Prepare technical documentation and test records to support compliance and mass productio

Qualifications

• Bachelor’s degree or above in Chemistry, Materials Science, Cosmetic Science, or a related field
• 3+ years of experience in cosmetic or functional material formulation
• Solid understanding of basic experimental design and data analysis
• Ability to read and understand technical documentation in English (Japanese language ability is a plus)
• Strong sense of responsibility toward product safety and long-term stability

Materials Engineer

You will be responsible for building and strengthening Mac-Bon’s materials technology foundation, directly influencing product performance, reliability, and long-term stability across different environments and usage conditions. This role plays a critical part in ensuring that our technologies remain scalable, consistent, and dependable from development through real-world application.

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Materials Engineer

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Key Responsibilities

 • Evaluate the impact of monomers, polymers, and functional materials on product performance and stability
 • Participate in new material testing and technical feasibility validation
 • Collaborate closely with R&D and supply chain teams to ensure materials are suitable for scalable and long-term use

Qualifications

 • Bachelor’s degree or above in Materials Science, Polymer Science, or a related field
 • 2–5 years of experience in materials R&D or a related industry
 • Familiarity with basic laboratory experiments and testing methods
 • Ability to support technical decisions with data-driven analysis

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Packaging Compatibility Engineer

You will be responsible for ensuring the safety, stability, and consistency between packaging and formulation throughout long-term use, playing a critical role in overall product reliability.
This position sits at the intersection of formulation, materials, and manufacturing, helping prevent long-term risks and ensure products perform as intended from production to real-world application.

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Key Responsibilities

 • Design and conduct compatibility and aging tests between packaging materials and product contents
 • Analyze risks related to whitening, migration, sealing performance, and stability
 • Collaborate closely with the China-based supply chain team to validate feasibility for mass production

Qualifications

 • Bachelor’s degree or above in Packaging Engineering, Materials Science, Chemistry, or a related field
 • 2+ years of experience in packaging, compatibility testing, or product stability-related roles
 • Familiarity with testing protocols and documentation processes
 • Strong attention to detail and high sensitivity to long-term risk factors

Global Head of Regulatory Compliance

You will be responsible for building and leading the global compliance and safety framework that supports Mac-Bon’s international business expansion.
This role ensures that regulatory requirements are not treated as downstream checks, but are integrated early into R&D, product planning, and commercialization, forming a stable foundation for long-term global growth.

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Global Head of Regulatory Compliance

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Key Responsibilities

 • Manage cosmetic regulations and ingredient compliance across international markets
 • Establish and maintain systems for product registration, SDS, ingredient documentation, and regulatory files
 • Integrate compliance requirements into early-stage R&D and product development planning
 • Monitor regulatory updates in major global markets and translate them into actionable internal guidance

Qualifications

• Background in cosmetic regulations, chemistry, or a related field
 • 5+ years of experience in international cosmetic regulatory compliance
 • Strong familiarity with regulations in major global markets
 • Ability to use English as a working language in professional settings

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User Science Researcher

You will study how real users interact with our products and translate user experience into structured data, insights, and methodologies that can be directly applied to R&D and product design. This role bridges real-world usage with technical decision-making, ensuring that product development is grounded in actual behavior, context, and application logic.

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User Science Researcher

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Key Responsibilities

 • Design and conduct user experience and usage behavior research
 • Analyze differences in product use across countries, cultures, and operating habits
 • Translate user insights into actionable input to support product development and R&D decisions
 • Collaborate with R&D, design, and application teams to ensure research findings are effectively applied

Qualifications

 • Bachelor’s degree or above in Psychology, Design Research, Engineering, or a related field
 • 2+ years of experience in user research or applied research
 • Strong ability to organize data and derive meaningful insights
 • Ability to use English as a working language for communication

Get in Touch!

Our team is here to support you with professional and timely assistance.
We respond to all inquiries within 24 hours.

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