Paul Mitchell Super Smooth Shampoo 1000ml Paul Mitchell Super Smooth Shampoo 1000ml

How to fix frizzy hair: causes, routine and what really helps

Damp days, central heating and hot tools all play a part. Here is why hair frizzes, and the simple routine that can help keep it smooth.

Why is my hair so frizzy? 

Hair usually frizzes when it is dry and its outer layer, the cuticle, is raised. Dry strands pull moisture from the air, so they swell unevenly and stop lying flat. Humidity, heat styling, harsh washing and friction can all make it worse.

The good news is that frizz is rarely about your hair being "bad". It is mostly about moisture and protection. Keep the hair hydrated, seal the cuticle, and shield it from heat and damp, and most hair types can look noticeably smoother.

What causes frizzy hair?

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01 - Humidity

Dry hair soaks up moisture from damp air and swells, lifting the cuticle.

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02 - Heat Styling

Hot tools without protection can dry hair out and rough up the surface.

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03 - Over-washing

Stripping shampoos and hot water can remove the oils that help hair lie flat.

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Does UK weather make hair frizzy?

Often, yes. Damp, drizzly days mean high humidity, which is exactly what makes dry hair swell and frizz. Winter adds a second problem: central heating dries the air indoors, so hair can be parched inside and puffy the moment you step out.

The fix is the same year-round: keep moisture in, and give hair a light protective layer before it meets the weather. A smoothing serum on damp hair is one of the simplest ways to do that.

How to fix frizzy hair: the 4-step routine

Smooth hair is built in the shower, not just at the styling stage. Each step can help reduce frizz on its own; together they work best.

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Step 1: Wash

Choose a gentle, moisturising formula and lukewarm water rather than hot.

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Step 3: Smooth

Pat hair dry with a soft towel, then work a few drops of serum through the lengths.

Super Skinny Serum 

A lightweight smoothing serum that can help tame frizz, add shine and speed up blow-drying. A little goes a long way: start with a few drops.

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Paul Mitchell Super Skinny Serum 25ml

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