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Scalp & Strand 101

Evidence-based education on scalp health, hair loss, and what actually works, provided by Dr. Joyce Park, board-certified dermatologist and founder of Kerativ.

A Dermatologist's Step by Step Routine for Thinning Hair
A Dermatologist's Step by Step Routine for Thinning Hair

Dealing with thinning hair can feel frustrating and overwhelming. But I want to reassure you that you’ve come to the right place!

Does Scalp Health Affect Hair Growth? Dr. Park Explains
Does Scalp Health Affect Hair Growth? Dr. Park Explains

The condition of your scalp plays a central role in hair health and growth. Hair thinning and shedding are often treated as problems of the hair itself. But in many cases, the root of the issue is ...

The Why Behind Female Pattern Thinning
The Why Behind Female Pattern Thinning

Wider Part, Thinner Ponytail? Here's Why. 

Proof Over Promises: Inside Kerativ’s Clinical Trial
Proof Over Promises: Inside Kerativ’s Clinical Trial

A closer look at the clinical study behind our Redensify Treatment Serum When I started developing Kerativ, I had one non-negotiable. If I couldn’t demonstrate real efficacy through clinical te...

GLP-1 Associated Hair Loss? Here's What's Happening
GLP-1 Associated Hair Loss? Here's What's Happening

Hair Shedding on Ozempic, Wegovy, Zepbound, or Mounjaro? Here Is What Is Happening in GLP-1 Associated Hair Loss

Can Shampoo Actually Help with Hair Loss?
Can Shampoo Actually Help with Hair Loss?

A thoughtfully formulated shampoo can improve the scalp environment and support overall follicle health, which may help promote stronger, more resilient hair over time.

Male Pattern Hair Loss: Understanding Androgenetic Alopecia
Male Pattern Hair Loss: Understanding Androgenetic Alopecia

Male pattern thinning affects roughly half of men by age 50. The sooner you act, the more you can preserve.

Heavy Hair Shedding? You May Have Telogen Effluvium
Heavy Hair Shedding? You May Have Telogen Effluvium

Telogen effluvium is one of the most common causes of rapid hair loss, and it is almost always temporary. Here is how to support your scalp through it.

Postpartum Hair Shed: What's Happening and How to Help
Postpartum Hair Shed: What's Happening and How to Help

Postpartum telogen effluvium is one of the most common things I see in new mothers. Create the best environment for your follicles to recover during and after the postpartum period.

5 Healthy Hair Habits From A Dermatologist
5 Healthy Hair Habits From A Dermatologist

The hair advice I give my patients that actually makes a difference.  

Hair Thinning During Perimenopause and Menopause
Hair Thinning During Perimenopause and Menopause

As estrogen levels shift during perimenopause and drop further into menopause, many women notice their hair becoming finer. There are things you can do to help.

Minoxidil Alternatives, Ranked by a Dermatologist
Minoxidil Alternatives, Ranked by a Dermatologist

Here’s a guide to the ingredients and treatments with the strongest evidence for supporting fuller-looking hair.