Formulation & Technical Development Manager

Are you ready to rethink your routine? We’re looking for a Formulation & Technical Development Manager to join our Product Innovation Team . This role will report into our Head of Technical Delivery. As our in-house technical formulation expert, you’ll partner with external labs, manufacturers, and cross-functional teams to deliver commercially viable, compliant, and cutting-edge skincare and colour cosmetics. You’ll own formulation development across our full portfolio while optimizing our technical governance and processes. Perfect for a formulation leader passionate about bringing robust, high-performing beauty products to market.

Welcome to Trinny London!

Here at Trinny London, we’re changing the face of makeup and demystifying skincare, and we're only just getting started. Founded in 2017 by Trinny Woodall, Trinny London is challenging people all over the world to rethink their routines.

We have achieved tremendous growth since 2017 and we’re proud to be one of Europe’s fastest-growing beauty brands. We’re generating millions of sales by developing innovative products, acquiring hundreds of thousands of supporters and customers all over the world, and more importantly, building a talented and motivated team to support our fantastic growth.

Our Values

We live by three core values: we bring fearless passion, we act with smart intent and we all wear yellow.

We always go the extra mile, working together to push boundaries and celebrate our wins and learnings as a team. We listen to every idea, big or small, and make considered decisions. We support each other to achieve our goals and thrive on collaboration.

The Role 

Your day to day responsibilities will look like this: 

• Manage end-to-end formulation development across skincare and colour cosmetics portfolios in alignment with project timelines and commercial objectives.
• Provide technical leadership by translating product concepts into clear formulation requirements and evaluating proposed solutions.
• Partner with external formulation laboratories and manufacturers to achieve optimal product performance, stability, cost, and manufacturability.
• Serve as the company’s subject matter expert in cosmetic science, offering technical guidance to cross-functional teams and supporting innovation.
• Identify and mitigate technical risks early across assigned projects, escalating key issues with clear recommendations to ensure project delivery.
• Lead technical investigations, root-cause analyses, and troubleshooting for formulation, manufacturing, and scale-up issues.
• Define and review formulation testing and stability programmes, ensuring formulations meet all quality and technical requirements for commercial manufacture.
• Oversee manufacturing trials and first production runs for all new formulations.
• Continuously improve formulation development processes, standard operating procedures, and governance to enhance speed and quality.

• Degree in Cosmetic Science or closely related scientific discipline.
• Significant experience in cosmetic formulation development.
• Experience across both skincare and colour cosmetics.
• Strong understanding of cosmetic ingredients and formulation technologies.
• Experience working with external formulation laboratories and manufacturers.
• Knowledge of cosmetic manufacturing processes and scale-up.
• Strong technical problem-solving capability.
• Excellent stakeholder management and influencing skills.
• Ability to manage multiple complex development projects simultaneously.

We love to hear from anybody interested in Trinny London! Although it’s useful to have the skills listed above, we’re always eager to hear from ambitious people looking for their next challenge.

Our mission is to give our customers the tools they need to be their best. And the same goes for our team through our benefits:

• Hybrid and flexible working, with core working hours
• 25 days holiday (we're also partial to a handful of spontaneous and well-earned Wellbeing Days throughout the year, as well as Early Finish Fridays and Summer Fridays)
• Welcome to Trinny London Starter Stack and swag
• Your Beauty Wallet: You'll receive a £500 annual product allowance to explore and enjoy our full range of Trinny London products
• 2 weeks work from anywhere
• Company discount for yourself, your friends, and family
• Vitality health scheme, EAP and Medicash (including dental, optical & audiological care)
• An annual personal training and development budget
• Enhanced family friendly packages to support birthing & non-birthing parents
• Pension scheme
• Workplace nursery scheme
• Cycle to work scheme
• T-Parties = many office socials as well as summer and festive celebrations!
• Rewards and Recognition Scheme (awarding length of service with gifts, vouchers and additional annual leave)

Equal Opportunities

We celebrate diversity in our customers, our products, and the teams we build. We champion inclusivity and want everyone to be the best versions of themselves.

We’re committed to equal opportunities and welcome people from all backgrounds, with their unique perspectives, ideas and experiences.