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Seasonal Hair Shedding


Throughout the year, weather changes permeate through the shell of our lives and generate physiological shifts. A radiant glow tans our skin in the summertime, fresh spring air clears the respiratory tract, dry winter air causes skin cracking, and autumn leaves invite seasonal hair shedding. Our bodies are keenly attuned to our regional and seasonal ecosystem. If you’ve ever wondered why your hair seems to be shedding in excess during the latter months of the year, you are not alone.

There’s ample research to support seasonal hair shedding. If you are Googling for answers as to why your hair falls out in the fall, you’re one among millions of women worldwide. An extensive 12-year study unveiled startling insight into search patterns, namely, that a spike in hair loss searches paralleled the months of seasonal hair shedding.

Another six-year biochemical investigation revealed evidence that women’s hair sheds more in late summer through fall. But you didn’t need a six, or 12-year study to prove this concept: you are living it. 


Seasonal hair shedding begins in summer, peaks during fall, and can linger through the wintertime.

This timeline parallels the latter half of the hair growth cycle:

Anagen - 85% of hair is actively growing.
Catagen - Hair begin to transition by detaching from the bulb and preparing to shed.
Telogen - 15% of old hair is resting as new hairs start growing.
Exogen - New hair expels old strands from the scalp, resulting in excessive hair shedding

Throughout the year, hairs exist in various stages simultaneously. And which phase does a large portion of hair enter during the fall months? They first enter the Telogen phase, where new hairs start to grow, and when you stride into fall, the shedding phase commences. And that’s not the only battle your hair is up against: cold, dry weather causes scalp dryness, itching, and irritation. As a result, hair follicles become inflamed, and hair is prone to breakage and excessive shedding. Fortunately, seasonal hair shedding only lasts about 2-3 months.

signs & symptoms of excessive shedding

In late summer, hair may amass in small clumps in the shower, on your brush, and all around you. By fall, you’re losing so much hair every day; you might be wondering if you have a hair loss condition. It’s important to stay calm and keep perspective because seasonal hair shedding is temporary. While it may feel like cause for alarm, it’s the hair growth cycle’s natural progression, and by mid-winter, early-spring, a fresh new batch of lustrous hair will replace those you lost during the fall months.


Typical hair fall means losing 50-150 strands every day. When hair sheds in excess, it is called Telogen Effluvium. While it can be shocking to see so many strands scatter all at once, it is temporary. During this time, hair can be challenging to manage, style and maintain. With the right tools and solutions, you can retain hair and leave the falling to the autumn leaves.


While losing so much hair at once can feel extremely upsetting, it’s your body’s natural way of cleansing and rejuvenating. As old strands drift away, newer, healthier strands move in to replace them. Rather than trying to cling to these old hairs, you have the chance to optimize your scalp health to create an environment conducive to healthy strands.

Here's what you can do to foster healthy hair growth:

Eat a well-balanced diet

Hair is made of keratin, a protein vital to growth. Meet your daily intake of protein levels, and don’t skimp on fruits, veggies and fatty acids— essential nutrients your follicles feed on, and hair cells need to divide and promote growth.

Let your hair down

Hair shedding is an inconvenience exacerbated by tight hairstyles. Instead of wearing your hair up every day, let your mane flow freely.

Treat your hair to a spa day

Regular trims and deep conditioning treatments will keep hair bouncy, volumized and shiny.

Take a Vitamin D supplement

It’s no secret that we gravitate indoors as the temperatures cool, it’s an evolutionary response, and one consequence is deprived levels of Vitamin D, which regulates the production of keratin. To combat this natural event, take a Vitamin D supplement during the colder months.

Strengthen hair at the root

INTACT, an Anti Hair Shedding Treatment, helps retain hair and minimize seasonal shedding by up to 77%.