A balanced combination of product development, legal, operational and commercial expertise passionately working to improve life by making synergistic therapy accessible to all.

Who are we?

We are a dedicated team of medical physicists, chemists and nutritionists with over 25 years of experience developing and manufacturing personal care products. Our in-house R&D, quality, manufacturing, engineering, and customer service teams are passionate about every little detail that goes into our products, from ingredient selection to materials traceability and regulatory compliance. We ensure that all products comply with current regulatory and safety requirements, including manufacturing and packaging under British, European and United States GMP standards.

Leadership Team

Kevin Herbert | CEO & Founder Gemma Kelly | Head of Operations

Kevin is the CEO and founder of 28 Day skin. His goal was audacious: to help people access, understand, and benefit from synergistic therapy and fundamentally change consumer driven skincare in the process. Prior to founding 28 Day Skin, Kevin spent over 25 years working in healthcare and beauty-tech developing many of the top products you might commonly use today and has over 20 granted patents in his name. Kevin holds a degree in Medical Physics from Cardiff University.

Gemma joined 28 Day Skin in 2020 to lead the company’s GMP compliant manufacturing activities at the company’s headquarters. These activities comprise the manufacture of the group’s proprietary products as well as a number of manufacturing partnerships.


Advisory Board

Kate Dimmer | Registered Nutritional Therapist

Kate Dimmer joined 28 Day Skin in 2019 to lead the design and validity of our nutritional products within an evidence based framework. Kate is a registered Nutritional Therapist with a Masters degree (MSc) (Distinction) from University of Worcester. As well as advising 28 Day Skin, Kate practises from her clinic in Cheltenham, Gloucestershire. Kate is a full member of both the British Association for Applied Nutrition and Nutritional Therapy (BANT) and the Complementary and Natural Healthcare Council (CNHC)

Investment Board


John Whitehouse | Chief Financial Officer Jason Lysandrides | Chief Legal and Regulatory Officer

John joined 28 Day Skin in 2018 as Chief Financial Officer, responsible for the financial operations of the company, including accounting and controls, financial planning and analysis, tax planning and compliance, as well as cash management, funding and investor relations.

Jason joined 28 Day Skin as Chief Legal and Regulatory Officer in 2018. Jason brings more than 20 years of legal expertise to 28 Day Skin and is responsible for the development and execution of legal and compliance strategies and systems to support unprecedented innovation and access in consumer-driven health care. Jason holds a LLB (Hons) in Law, a LLM in Intellectual Property Law and is a qualified solicitor.