Calm Skin [lesson 1]: When skin flares, it’s rarely random

If you’ve been in clinic a while and increasingly thinking, “Why am I seeing so many red, reactive, inflamed skins?” - you’re not imagining it.

Stress is one of the most consistent threads I see running through acne, rosacea, perioral dermatitis, eczema and chronically sensitised skin. And not always the obvious, life-is-on-fire kind of stress either.

I often explain it like this:

The skin is a smoke alarm.
Redness, flares, breakouts and sensitivity aren’t the fire - they’re the alarm going off to say something upstream needs attention.

Here’s what’s actually happening…

When the brain perceives stress (emotional, psychological, or even internal stressors like lack of sleep), it activates the HPA axis - the stress response system that releases cortisol and other stress hormones.

Those signals don’t just stay in the brain. They travel to the skin.

And the skin isn’t passive here, it’s an active stress organ in its own right. It produces its own stress hormones and inflammatory messengers, designed to help us survive short-term threats.

The problem?
Our stress response was built for acute danger, not modern, chronic stress.

We were meant to escape the tiger… then shake it off.
Now the stress just layers. Notifications, pressure, worry, rumination - and the alarm never fully switches off.

So inflammation stays switched on too 😩

That’s why stress is repeatedly reported as a trigger or exacerbating factor for:
• acne
• rosacea
• eczema
• psoriasis
• urticaria
• seborrheic dermatitis
• chronic sensitivity

The skin isn’t being dramatic.
It’s responding exactly as it was designed to.

Yet, so many of my SBS students tell me they were never taught this in their beauty training. It’s only as they have learnt more about skin health and how our skin barrier health in particular is modeled by far more that goes on beyond the surface, rather than above, that they feel equipped to help these problematic skins. 

Key takeaways for today:

• Stress activates inflammatory signalling in the skin

• The skin produces its own stress hormones

• Chronic stress keeps the “alarm” ringing longer than intended

Next, we’ll look at what happens to the skin barrier when that alarm keeps sounding, and why leaky skin is never just a topical issue.

With you,
Chloe