Winter can be rough: minimal daylight, dry skin, chapped lips, and, for some, serious hair shedding. While other effects of winter weather make sense, like decreased vitamin D and seasonal affective disorder, it probably seems counterintuitive that the cold weather could lead your body to drop hair. But for many people, the cold, dark winter months bring with them increased hair loss.
We wanted to understand the science behind winter hair loss and the effect of seasons on the hair growth cycle, so we turned to two board-certified dermatologists, Tiffany Libby, MD, FAAD, and Iris Rubin, MD, to get the full scoop. Keep reading for their insights on and advice for battling winter hair loss.
Meet the Experts
- Tiffany Libby,MD, FAAD, is a board-certified dermatologist and Mohs surgeon.
- Iris Rubin, MD, is a board-certified dermatologist and the co-founder of SEEN Haircare.
Do You Lose More Hair in the Winter?
According to our experts, the phenomenon of winter hair loss has a lot of reported sufferers—but no clinical research to back it up. "There are no great scientific studies on seasonalshedding, but there are numerous reports and observations of this occurring," explains Rubin. Libby agrees, adding that "while there are some studies that point to seasonal patterns tohairsheddingandhairloss," there is no known association between wintertime and hair loss.
Why Does It Seem Like I'm Losing More Hair in the Winter?
Both experts say that hair shedding is directly linked to the hair growth cycle. "Thehair-growthcycle is comprised of four stages: The anagen (growing) phase, catagen (transitional) phase, telogen (resting) phase, and exogen (shedding) phase," Rubin explains. "The telogen phase is when grown hairs are securely anchored within the scalp, and basically just hanging out before thesheddingphase begins and thegrowthcycle begins all over again."
Rubin goes on to explain several theories about seasonal hair loss, one of which is that our bodies hold on to more hairs during warmer summer months to shield the scalp from UV exposure. Then, as part of the naturalhair-growthcycle, thesheddingof these hairs may happen to coincide withwinter—but this would be highly dependent on the climate of where you live and your own personal sun exposure. "More sunlight during the summer may trigger hairs to enter the telogen (or resting) phase, perhaps as an evolutionary form of extra sun protection," she theorizes.
Ultimately, however, both experts point to environmental factors as a more likely cause of hair loss in winter. "It is normal to lose between 50 to 100 hairs a day, and if you are brushing or washing yourhairless, you may notice [the hair loss] more on days when you are brushing or washinghair," shares Libby. Cold weather often means less sweat, and many people report washing their hair less frequently in the winter. Rubin points to winter dryness as a culprit: "Drierwinterair can also remove moisture from the scalp andhair, making thehairmore susceptible to breakage," she says.
How to Treat and Prevent Winter Hair Loss and Breakage
No matter the cause, losing hair can be stressful—so if there is a way to mitigate seasonal hair loss, we want to know about it. Luckily, our experts had several recommendations for battling winter hair loss and preventing breakage.
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Avoid Too-Hot Showers
There is no better feeling on a cold winter day than a steaming-hot shower, but it can hurt your hair and scalp. "Avoid taking too-hot showers, which can strip your scalp,hair, and skin of natural oils," Rubin cautions. Instead, opt for comfortably warm showers, or if you want to take a hot shower, lower the temperature before washing your hair.
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Keep Dry Hair Conditioned
"Drierwinterair can remove moisture from the scalp andhair, making thehairmore susceptible to breakage," explains Rubin. For this reason, it's important to keep your hair moisturized with conditioner. Libby recommends using a conditioner after every shampoo to help preventhairdamage, which she says can lead to fragile,thinninghairthat may easily break.Need extra moisture? Try a hydrating hair mask.
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Avoid Heat Styling (If You Can)
"Let yourhairair dry when possible, or use low heat settings," says Libby. "Tools like blow dryers, hot combs, or curling irons can damagehairstrands and increase risk of breakage." Rubin agrees: "Try to scale back on heat-styling, but when you do blow-dry, flat-iron, or curl yourhair, definitely use a styling product that offers heat protection."
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Don't Go Outside With Wet Hair
This isn't just an old wives tale—turns out, going outside in the winter with wet hair really isn't good for you. And according to our experts, it's especially bad for your hair. Rubin warns against going outside with wethairwhen temperatures are below freezing, as the water on your hair can actually freeze and cause breakage as it expands. Make sure to wash your hair with plenty of time to allow it to fully dry before going outside in the winter (especially when it's freezing outside).
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Avoid Brushing Wet Hair
While this advice may vary based on your texture, in general, brushing wet hair can damage already fragile strands. "Don’t brushhairwhile wet, as wethairis more susceptible to breakage," explains Libby. If you're concerned with being able to detangle, try doing so while your conditioner is in your hair by keeping a wide-toothed comb in your shower. Your hair is less likely to break with the slip of the conditioner, allowing you to work out knots before your hair dries.
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Use Hydrating Leave-In Products
Both experts recommend using leave-in products to maximize moisture during the cold winter months. Adding hydrating ingredients to the scalp helps to treathairstarting at the root to protect againstlossand breakage, explains Libby. "I like leave-on products like SpoildChild'sA22 Biotin BoostHair+ Scalp Serum, a spray formulated with rosemary oil, caffeine, and niacinamide, ingredients that have demonstratedhairgrowthand strengthening benefits and that combathairthinningand breakage," she says. "It’s a quick, easy addition to your daily routine to keep yourhairand scalp healthy."
Rubin recommends the SEEN Magic Serum, telling us that independent third-party testing showed that it reduces breakage by 81 percent after just one use.