Hair that looks perfectly styled can become frizzy, puffy and difficult to manage within minutes during hot and humid weather. Experts say the change is linked not simply to heat or sweat, but to the way hair interacts with moisture in the air.
Hair is largely made up of keratin, a protein whose structure is influenced by hydrogen bonds. When humidity rises, hair absorbs water from the surrounding air, disrupting some of these temporary bonds and causing the hair to lose its styled shape.
Which Hair Types Are Most Affected?
Curly, highly porous and chemically treated hair can be more sensitive to humid conditions. This is why some people’s hair becomes noticeably more swollen, tangled or frizzy than others when moisture levels rise.
Experts also note that frizz does not necessarily mean hair is dry. The effect can depend on how much moisture the hair absorbs from the surrounding environment and how porous its strands are.
How Can Hair Frizz Be Reduced?
Using conditioner after washing, gently drying hair instead of rubbing it vigorously with a towel, and applying a suitable leave-in conditioner or anti-frizz serum may help manage frizz in humid conditions.
When choosing hair-care products, experts recommend paying attention to the overall formulation and ingredients designed to help manage moisture rather than focusing only on the price or popularity of a particular oil or product.
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