Journal

Our expert guide to scalp science, hair health and ingredient education.

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Hair Types 101

Different hair types require different care, so knowing yours is integral to treating it right

by Katie Olsen

44 Results

Are Hair Density and Thickness the Same?
Are Hair Density and Thickness the Same?

While density and thickness are different, they are terms that are often (incorrectly) interchanged, which leads to even more misconceptions.

Hair Shedding and Hair Thinning: The Difference
Hair Shedding and Hair Thinning: The Difference

While they often appear similar, they are not the same. One condition is part of the hair growth cycle and the other is treatable.

Seven Common Causes of Hair Loss in Women
Seven Common Causes of Hair Loss in Women

One in three women will experience hair loss or reduced hair volume at some point in their life. Find out why. 

Hair Myth Busted: Actually, You Should Shampoo Every Day
Hair Myth Busted: Actually, You Should Shampoo Every Day

Whether or not to shampoo every day is one of the most discussed topics between Hårklinikken clients and Hair Specialists. Learn what your scalp and hair need. 

Is Alcohol in Hair Products Bad For You?
Is Alcohol in Hair Products Bad For You?

The truth is not all alcohols are created equally – many are safe for scalp and hair  and some actually benefit your strands.

Scalp Types 101
Scalp Types 101

Understanding your scalp type means you can treat it in the most efficient and healthy way.

Back of a male model's head with dark and grey afro hair
How to Detox Your Scalp

By now most of us know that strong, healthy hair begins at the scalp – making the idea of a scalp “detox” pretty appealing. 

Back of model's head and neck with short light coloured hair
Debunking 10 Common Hair Myths

There are countless myths that we have held onto for decades, but many of them are only partially true, a little misguided, or just plain wrong.

Photo of the inside of an avocado cut into half frozen in ice melting on table surface
Is Mineral Oil Bad For Your Hair?

There are so many different types of oils used in scalp and hair products. Find out what mineral oils are, and why we don't use them.

Photo of a man and women with dark curly afro hair leaning their heads against each other
Hair Porosity 101

Porosity can seem a bit obscure or complicated at first, but we’re going to demystify it and explain why it matters.

Picture of Harklinikken Hair Conditioner globdule texture
The Benefits of Shea Butter on Hair

Known for its nourishing, softening and soothing properties, shea butter is a natural treasure. Find out how we use it. 

Women with short black hair smiling and looking away from camera whilst leaning back
Hair Types 101

Different hair types require different care, so knowing yours is integral to treating it right.