Hair Knowledge

Hair Knowledge is your go-to resource for understanding the fundamentals and deeper insights into human hair – from hair structure and natural characteristics, to the differences between Vietnamese, Indian, and Chinese hair. Whether you’re a salon owner, stylist, or hair business professional, this section helps you identify and explain the quality of different hair types, including virgin, remy, and raw hair, with confidence.

Itchy Hair Extensions: Causes, Prevention & How to Soothe Your Scalp

Hair extensions are a fantastic way to achieve fuller, longer hair instantly—but what happens when they start to itch? Itchy hair extensions are a common issue that many users experience, especially in the first few days after installation. In this guide, we’ll explore the causes [...]

Hair Extensions for Thin Hair: Expert Tips to Choose the Right Method

If you’ve ever felt frustrated by how difficult it is to achieve volume or length with naturally thin hair, you’re not alone. Many people with fine strands turn to hair extensions for an instant boost — but not all extension types are suitable for fragile [...]

Tape-in vs Microlink Hair Extensions: Which is Best for Europe’s Clients ?

💡 “Not all hair extensions are created equal. The method you choose can define your brand, your pricing—and your results.” Hair extensions aren’t just about adding length—they’re about confidence, versatility, and meeting the high standards of modern beauty clients, especially in Europe. Whether you’re running [...]

Nano Ring vs Micro Ring Hair Extensions: Which is Best for You?

For salon owner, offering a variety of hair extension options is crucial to meet the diverse needs of your clients. Two of the most popular and in-demand methods today are Nano Ring and Micro Ring hair extensions. Both are heat-free, glue-free, and reusable, making them [...]

Deep Curly and Burmese Curly: Which is Right for You?

In the world of premium hair extensions, curly textures have always held a special place thanks to their volume, personality, and versatility. Among them, Deep Curly and Burmese Curly are two of the most loved styles—especially popular in high-demand markets like the U.S., U.K., and [...]

How to Distinguish Loose Wave and Water Wave Hair

If you are a newbie in the hair extensions industry and interest curly hair. Surely at times you have been confused with too many types of curly hair with similar terms: Deep Wave, Body Wave, Loose Wave, Water Wave,… In this article we have summarized [...]

Hair Thickness and What You Need to Know

Hair thickness not only affects the natural appearance of the hair, but is also a key factor when choosing the right product. So what is hair thickness? How to measure it and what factors affect it? Let’s find out with N Hair through the article [...]

Body Wave and Deep Wave, What is Difference?

Curly hair is one of the hairstyles that many customers love. With the variety of styles and the ability to change flexibly, each slight change in the level of curl creates a completely new beauty. In this article, N Hair will help you compare the [...]

The Difference Between Remy Hair and Non-Remy Hair

Choosing the hair materials input to produce hair extensions is a decisive factor in the quality and price of a hair extension set. Besides terms like raw hair and virgin hair, remy hair and non-remy hair are also two very popular words when you look [...]

Difference Between Raw Hair And Virgin Hair

If you are new to the hair extensions industry, you will be confused when learning about Raw Hair and Virgin Hair. What makes it confusing is that there is no exact definition or standard. So, in this article, N Hair will help you have the [...]