Knowledge Hub

Expert manufacturing advice, industry insights and practical guidance.

Articles from the OLC team covering white label manufacturing, compliance, flavour development, nicotine pouches and product innovation.

A person in a white lab coat, blue hair cover, and ear protection stands with their back to the camera inside a clean vape eliquid manufacturing facility, observing production equipment and conveyor systems.

A wide view of a busy industrial warehouse or manufacturing floor with multiple workers in high-visibility vests operating large automated machinery and conveyor systems, surrounded by cardboard boxes, pallets, shelving, and overhead pipes.

12 Oct 2026 • 7 min read

Nicotine Pouch Materials & Moisture Stability Explained

Nicotine pouch materials and moisture levels influence the structure, consistency and stability of the finished product. Explore how pouch fabrics, formulation moisture and packaging work together during product devel...

06 Oct 2026 • 10 min read

How to Start a Vape or Nicotine Brand in the UK

Launching a vape or nicotine brand involves decisions around products, manufacturing, compliance, branding and commercial produ...

25 Sep 2026 • 5 min read

Nicotine Pouch Ingredients Explained: What Goes Into a Nicotine Pouch?

Nicotine pouch formulations combine nicotine with plant-derived fillers, water, flavourings and other functional ingredients. T...

22 Sep 2026 • 7 min read

What Is a Nicotine Pouch? A Guide to the Product and How It Works

Nicotine pouches are tobacco-free oral nicotine products available in different formulations, strengths, flavours and formats. ...

17 Sep 2026 • 8 min read

Private Label vs White Label vs Contract Manufacturing: What’s the Difference?

White label, private label and contract manufacturing offer different routes to bringing an e-liquid range to market. This guid...

01 Sep 2026 • 8 min read

E-Liquid Nicotine Strengths Explained

Nicotine strength is a fundamental part of e-liquid formulation and range development. This guide explains how e-liquid nicotin...

25 Aug 2026 • 8 min read

E-Liquid Ingredients Explained

What is e-liquid made from? Explore the roles of VG, PG, nicotine and flavourings, and how each ingredient influences formulati...

18 Aug 2026 • 9 min read

Freebase vs Nic Salt vs Shortfill Explained

Freebase, nic salt and shortfill are common e-liquid terms, but they don't all describe the same thing. Learn the key differenc...

17 Aug 2026 • 5 min read

What Is White Label E-Liquid Manufacturing?

What is white label e-liquid manufacturing and how does it work? Explore the process, benefits and key considerations for busin...