Winter Hair Shedding: What a Salon Can Safely Tell Clients

When a client says their hair is “falling out” in winter, start by separating two experiences that can look similar in the bathroom. Dry indoor heating, hot tools, hats and rougher detangling can leave the fibre fragile. That often shows up as short snapped hairs, rough ends and reduced fullness through the lengths. Cleveland Clinic advises extra care with heat, wet-hair brushing, chemical processing and tight styles during winter, when hair can feel drier and more vulnerable to damage.

Root-level shedding calls for a more careful conversation. Shed hairs tend to be full-length strands, and clients may describe a diffuse reduction in density or more hair during washing. Daily counts rarely settle the question. The British Association of Dermatologists gives a broad normal range of 30 to 150 scalp hairs a day, and wash frequency can make a shower drain seem suddenly alarming.

The evidence for a simple cold-weather shedding story is thin. A 1991 longitudinal Sheffield study of 14 healthy men found the highest shedding around August and September, at roughly 60 hairs a day, more than twice the preceding winter level. A later six-year study of 823 women presenting with hair-loss concerns also found the highest proportion of resting, or telogen, hairs in summer and the lowest rates in late winter. Those findings suggest a possible seasonal rhythm, though they do not establish cold weather as a cause. The PubMed record for the Sheffield study also underlines how limited this evidence base is.

A useful salon question is: what changed two or three months ago? The British Association of Dermatologists says telogen effluvium, a diffuse shedding condition, often appears around three months after a trigger. Fever or illness, major stress, restrictive dieting or weight loss, surgery, medication changes and stopping hormonal contraception can all be relevant history. A winter client may therefore be seeing delayed shedding after an autumn event. Acute telogen effluvium commonly settles over three to six months, although regrowth takes longer to restore density.

Keep the practical advice within salon territory. Turn down blow-dryer heat, use conditioner for slip, detangle gently from the ends, avoid aggressive brushing when hair is wet and loosen high-tension styles. These steps can limit breakage and improve the look and feel of dry hair. They do not diagnose the cause of root shedding or promise to stop it, so an anti-shedding product should never be positioned as a treatment for unexplained loss.

Encourage medical assessment for sudden bald patches, a receding hairline, a widening part, scalp pain, inflammation or scaling, or diffuse shedding that persists. The British Association of Dermatologists’ guidance on telogen effluvium notes that pattern hair loss and temporary shedding can occur together. At the consultation, write down the date the shedding began and ask the client what was happening about three months earlier.