Journal

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

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Magnesium Sprays for Hair Growth

An emerging trend, examined through the science.

by Heather Lim

50 Results

PCOS is Now PMOS: What the Name Means for Hair Loss
PCOS is Now PMOS: What the Name Means for Hair Loss

Learn about Polyendocrine Metabolic Ovarian Syndrome (PMOS) and why it affects hair.

Magnesium Sprays for Hair Growth
Magnesium Sprays for Hair Growth

An emerging trend, examined through the science.

Does Stress Cause Grey Hair?
Does Stress Cause Grey Hair?

A triple-board certified dermatologist explains the science.

Does Matcha Cause Hair Loss?
Does Matcha Cause Hair Loss?

You may not have to skip on your favorite beverage.

The Best Products for Curly Hair
The Best Products for Curly Hair

Our in-depth guide to curly hair routines, from wavy to coily.

Do Weight Loss Drugs Cause Hair Loss?
Do Weight Loss Drugs Cause Hair Loss?

Is GLP-1 medication making you shed weight- and hair? Find out why. 

Types of Alopecia
Types of Alopecia

Struggling with shedding or thinning? It’s probably alopecia.

How Seawater Affects Your Hair
How Seawater Affects Your Hair

Here’s what you should do the next time you go to the beach.

Does Sun Damage Your Hair?
Does Sun Damage Your Hair?

Here’s what UV rays can do to your hair and scalp.

The Science Behind Seasonal Hair Loss
The Science Behind Seasonal Hair Loss

Why it happens, and how to deal with it.

Best Foods For Hair Growth
Best Foods For Hair Growth

10 things you should eat for healthier, stronger hair.

How Seasonal Allergies Affect Hair & Scalp Health
How Seasonal Allergies Affect Hair & Scalp Health

What pollen, dust, and pollution do to your scalp.