Let’s cool it…

Nobody wants to hear this.

Especially in winter.

But, extremely hot water is one of the most overlooked causes of dry, frizzy, dull, dehydrated hair.

And the tricky part is most people don’t realise it because the damage happens slowly over time. Your hair just gradually starts feeling rougher or your blonde fades faster. I might be that your curls stop lasting or your scalp gets oilier. The worst is when your ends start snapping. 

Then suddenly you’re buying another expensive mask off tiktok wondering why nothing is working long term.

I explain this to clients all the time using analogies because hair science can get very technical very quickly, but this usually makes it click instantly.

The Wool Sweater Analogy

Think of your hair like a delicate wool sweater.

If you wash wool in boiling hot water, it becomes rough, dry, shrunk, and damaged.

Hair behaves similarly. Very hot water forces the cuticle layer open and strips away softness, moisture, and natural protective oils.

That’s why hair often feels fluffy, frizzy, rough, or strangely “crispy” after months of super hot showers. Especially if you already colour your hair or lighten it.

Your Scalp Is Skin

This is the one that usually gets people. You would never scrub your face with scalding hot water every single day.

It would destroy your skin barrier.

Your scalp works the same way.

When you constantly strip away the natural oils with extremely hot water, your scalp can become irritated, flaky, sensitive, or overly oily trying to compensate.

This is why some people end up oily at the roots but dry through the ends at the exact same time. The scalp is confused. The hair gets dehydrated and the cycle keeps repeating.

The Most Expensive Shower 

If you have coloured hair, this part is super critical. Hot water causes the hair shaft to open which allows colour molecules to escape much faster.

In simple terms?

You’re washing your expensive salon colour down the drain quick. This is especially important for blondes, reds, coppers, vivids, and toners.

If you want your colour to stay shinier and fresher for longer, lukewarm water genuinely helps.

So Do You Need Ice Cold Showers?

No.

This is where people get it twisted.

You do not need to suffer through freezing showers like some kind of wellness podcast experiment. (but hey, I hear good things about plunge pools)

The goal is simply: less aggressively hot. Just start there.

Warm enough to cleanse. Cool enough to protect the hair and scalp barrier.

One of the best things you can do is finish with a quick cool rinse for 10 to 15 seconds.

That helps flatten the cuticle back down which improves shine, smoothness, and moisture retention.

Beautiful Hair Usually Comes From Small Habits

Hair health is rarely one miracle product.

It’s consistent washing habits with the right products for your hairtype, correct product use, heat protection, scalp care, stress management, nutrition and learning how your individual hair actually thrives.

Sometimes the glow-up starts by turning the shower dial down slightly.