Assistant Marketing Mananager-Dietary Supplements and Eye Care

Date posted: October 13, 2026

Pay: Up to $115,000.00 per year

Job description:

The Mentholatum Company, a wholly owned subsidiary of Rohto Pharmaceutical, is on an ambitious mission to bring dietary supplements and the best of eye care to the U.S. market. We are looking for a curious, driven, and creative Assistant Marketing Manager to join our growing Dietary Supplements and Eye Care team and help us build and elevate our portfolio for American Consumers.

This is a rare opportunity to work at the intersection of brand strategy, product innovation, and campaign development, all rooted in sharp consumer insights and culturally relevant moments.

This role offers a 360° CPG marketing experience: you will develop brand positioning and creative, collaborate on redesigns and new product launches, run social and digital marketing campaigns, build PR programs, and learn how to manage a brand P&L like a general manager. If you have a passion for beauty, thrive at both strategy and execution, and want to bring big ideas to life, this is your chance.

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Role At a Glance

· Title: Assistant Marketing Manager

· Location: Horsham, PA (Hybrid; in office 2-3 days per week)

· Dual Reporting: VP New Business Development and the Marketing Manager, Eye Care

The Portfolio

·Theory of Self - Manufacturing by EYS who is a ROHTO-MENTHOLATUM company and the most trusted Traditional Chinese Medicine brand in Asia

·Rohto® Eye Care

·New brands: We are actively reviewing and developing new brands in dietary supplements and eye care to grow our portfolio. You will be part of building from the ground up: positioning, naming, messaging, launch strategy, creative campaign development

What You’ll Be Doing

· Brand strategy: Support and help shape long-term brand positioning and strategy, ensuring consistency and clarity across audiences. Contribute to brand repositioning work, including messaging architecture, consumer targeting, and competitive differentiation. Conduct competitive analysis across dietary supplements and eye care to identify white spaces

· Campaign and asset creation: Lead consumer campaign execution from brief through launch, orchestrating agencies and internal teams across paid and owned channels. Maintain creative excellence and strong brand expression across all assets with a high bar for visuals and messaging

· New product development: Assist in end-to-end new product launch management, from concept briefs through retailer sell-in and launch. Contribute to claims, clinical development, and artwork development. Coordinate cross-functionally including R&D, Regulatory, Supply Chain, and Sales

· Marketing and media activations: Partner with ecomm, digital, social, influencer, creative, and PR teams to develop and manage cohesive campaigns. Manage tactical marketing initiatives, including consumer promos, reviews, digital content, etc.

· Business management: Learn to manage a brand P&L, support monthly financial forecasting process, manage brand budgets for marketing activities, pull syndicated consumer data to identify trends and opportunities, assist in preparing internal and external presentations

Qualifications

· Bachelor’s degree and 1–3 years of relevant brand marketing; ideally in dietary supplements, eye care or personal care

· Genuine passion for consumer products

· Strategic thinker who can also roll up your sleeves and drive execution

· Strong creative instincts; able to evaluate work through both a brand and consumer lens.

· Strong written and verbal communication skills; collaborates easily across functions and agency partners

· Analytical mindset, comfortable with numbers and data

· Highly organized, detail-oriented, and confident managing multiple workstreams

Why Join Us

· Brands with incredible growth potential and a real point of difference; chance to shape brands early in their journey, your fingerprints will be on launches and campaigns that reach consumers at scale

· Room to grow, be heard, and make a real impact

· Hybrid flexibility: 2-3 days in office, and the rest working from home

· Comprehensive health, dental, and vision benefits

· 401(k) company match

About The Mentholatum Company

The Mentholatum Company is a wholly owned subsidiary of Rohto Pharmaceutical, a global healthcare, cosmetic, and pharmaceutical conglomerate based in Japan. For more than 125 years, Mentholatum has been creating and providing some of the industry’s top products for personal healthcare and wellness for consumers around the world. Our focus on customer relations and consumer satisfaction has helped us to reach our status as a global leader in the business of personal care. As our business continues to grow, so does our need for top talent to become part of our winning team today.