Every winter, I see the same pattern: as the temperature drops, acne flares up along the jawline, chin, and neck.


It’s the kind of breakout that seems confusing — your routine hasn’t changed, you’re using the right products, and yet, your lower face feels irritated, red, and tender.


One of my patients once told me, “It’s like my skin can’t breathe in winter.” And in a way, she was right.

Meet Acne Mechanica: The Friction-Based Breakout

“Acne mechanica” is a form of acne triggered by friction, pressure, heat, or rubbing against the skin. It’s the same phenomenon seen in athletes who get breakouts where helmets or straps touch their face — and in winter, our scarves, toques, and high-collared jackets become the culprits.


When thick fabrics like wool or fleece trap heat, oil, and sweat against your skin, pores get clogged more easily. Add the friction from rubbing (especially around your chin and jawline), and you have the perfect setup for inflammation and new breakouts.


Even if you’re diligent with your skincare, acne mechanica is a type of “environmental acne” — meaning, it’s more about what’s touching your skin than what’s going on inside your body.

Close-up of a young woman with curly hair wearing a knit hat and scarf, with snowflakes on her hair in a winter outdoor setting.

Signs Your Breakouts Might Be from Winter Wear

You might be dealing with acne mechanica if:

  • Your breakouts appear where your scarf or face covering sits (chin, jawline, neck)
  • The spots feel more tender or sore than usual
  • The skin looks red or irritated rather than oily
  • You notice improvement during periods you stay indoors or skip the scarf
Young woman in a knit hat and patterned jacket sits on a foggy field, enjoying a quiet outdoor moment.

How to Prevent Winter Wear Breakouts

Here’s how to protect your skin barrier while still staying cozy this season:


1. Choose breathable fabrics.

Swap scratchy or heavy materials like wool for softer, natural fibers (think cotton, bamboo, or silk blends) that don’t trap as much heat or oil.


2. Wash your accessories often.

Scarves and toques collect oil, bacteria, and makeup residue — wash them weekly to avoid reintroducing that buildup to your skin.


3. Create a buffer.

Apply a thin layer of non-comedogenic moisturizer before bundling up. It acts like a barrier between your skin and fabric, reducing friction and irritation.


4. Avoid over-cleansing.

It’s tempting to “scrub off” irritation, but harsh cleansers can worsen barrier damage. Stick with a gentle cleanser and lukewarm water.


5. Repair your barrier.

If your skin feels raw or tight, use barrier-restoring ingredients like ceramides, niacinamide, or panthenol. (You can learn more about which active ingredients are best for acne-prone skin in my free skincare guide.)

Young woman in a beige coat and red scarf stands on a frozen lake surrounded by snow and evergreen trees in winter.

It’s Not Just Winter — It’s How Your Skin Adapts

When your skin suddenly breaks out in new areas, it’s rarely “random.” Our skin constantly responds to its environment — humidity, friction, heat, stress — and winter puts it through a lot.


The good news? Once you understand the why, it becomes much easier to prevent.


So this season, instead of assuming your products have “stopped working,” take a closer look at your environment. Your scarf, toque, or jacket collar might be sending your skin a message.

Want to Understand Why Your Acne Keeps Coming Back?

If you’ve been stuck in a cycle of trying to “manage” your acne instead of clearing it for good, you’re not alone. In my free webinar — 3 Reasons Your Acne Isn’t Clearing (That Your Doctor Never Told You) — I break down the deeper root causes I see every day in my practice.


👉 Watch the free webinar to start connecting the dots between your environment, hormones, digestion, and skin health.

👉 Download the Active Ingredients for Acne-Prone Skin guide for barrier-friendly product tips you can use this winter.

References

  1. Dreno B, Bettoli V, Perez M, Bouloc A, Ochsendorf F. Cutaneous lesions caused by mechanical injury. Eur J Dermatol. 2015 Apr;25(2):114-21. doi: 10.1684/ejd.2014.2502. PMID: 26069089.