Best Hats for Hair Loss & Medical Treatment - Casualbox Japan Blog

Posted by Tari Ina on

alopecia woman

Often we get questions from our customers about what hat or beanie material is best for them. I for one am surprised that medical professionals don't let our friends know what's best to look after their skin.

In my circle of friends, family, and even myself have suffered from hair loss no thanks to these illnesses. 

When I was 8, I suffered from stress-induced alopecia and had chunks of hair fall from my head suddenly. This lasted until I was about 12 years old, so it was a long time of covering these bald patches with what hair I had left. 

When I was 17, my father was diagnosed with stomach cancer, has been in remission for 8 years and now has bladder cancer. When he was first losing hair he was using caps and hats made from polyester and I noticed that his hair-line had redness. A mix of man-made material and the Australian climate is not kind to sensitive skin, that's for sure!

My partner's Aunt, Ryoko, and childhood friend, Chieko, also suffer from alopecia. They had been using polyester beanies with no hair growth and I quickly recommended them to wear more natural materials. Polyester can irritate the skin on their head and result in damaged hair follicles or stunted hair growth. Since then, Ryoko's hair has been growing back steadily and Chieko has finally got her breakthrough peach fuzz.

If you have Alopecia or are undergoing chemotherapy, what materials you put on your head are so, so important. And so, let me recommend the following materials...

Organic Cotton

Organic Cotton BeanieReversible Beanie Organic Cotton

The Tenjiku &The Reversible

Organic Cotton is the first material I recommend. It's fair-trade, environmentally friendly and affordable. There has been no exposure to chemicals whatsoever to the material, the land (for at least 3 years before plantation) and to the farmers who harvest the cotton. 
During the winter months it can be tough for those experiencing hair loss. Organic Cotton keeps you warm during the winter months, but also regulates body temperature during the warmer months through good air circulation.


silk night capSilk Slouchy Beanie

The Silk Night Cap & Slouchy Silk Beanie

Silk is the most hypoallergenic material out of all materials. 

Dust mites, bacteria, mold and other allergens that are found in many materials, silk is naturally resistant to. Not only this, Silk has little to no chemical exposure. Why? Silk worms are bred and raised in captivity, so there is no need for pesticides to protect the little silk workers from predators. The smooth surface of Silk lets your delicate hair move freely, preventing a buildup of static while wearing your silk beanie.


cashmere beaniebaby beanie cashmere

Slouchy Cashmere & The Cashmere Acorn (Babies) 

Regular wool can be quite coarse at times and has the potential to irritate the skin. You won't have this problem with cashmere, as it is light weight and silky smooth against your skin. Feeling fancy and high class should be available to anybody, so why not? Like silk and organic cotton, it is hypoallergenic and extremely kind to your skin.

Maybe: Linen & Hemp

hemp beanielinen beanie

100% Hemp and 100% Linen Beanies

I don't usually recommend these materials because there can be loose particles of the flaxseed and hemp plant throughout the beanie which can irritate your skin. However, linen and hemp are fair-trade, eco-friendly and can last you for generations to come. Linen is also known to get softer and stronger with every wash.


Absolutely not: Polyester, Acrylic, and Man-made Materials

No, no, no, nope. Not only are these materials so not friendly to sensitive skin, but they can damage and stunt hair growth. Avoid these materials at all costs unless you have no issues with skin sensitivity or hair loss.


Hopefully this blog entry has helped you lovely readers with any questions you may have had. I have more indepth information about Organic Cotton, Linen and Silk in the following blog posts if you are still unsure what to choose. 

Benefits of Silk
Benefits of Linen
Benefits of Organic Cotton

If you have any questions, feel free to comment below or contact us here!


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  • Thank you! I’ve received the organic cotton beanie and am wearing it right now! This is a big help during Chemo and my first experience with hair loss.

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