Marina Ivakhnenko Demodex Specialist

Most people think rosacea appears on the face simply because facial skin is more sensitive. The biology is actually much more interesting.

Your face receives more cumulative UV exposure than almost any other part of your body. Every day, your skin cells (keratinocytes) convert UV light into local vitamin D activity within the skin itself. That local vitamin D signaling increases production of cathelicidin, an antimicrobial peptide that plays a major role in rosacea.

In healthy skin, cathelicidin helps protect against microbes. In rosacea-prone skin, however, cathelicidin can become dysregulated, leading to inflammation, redness, flushing, visible blood vessels, and inflammatory bumps.

This creates a perfect storm:

☀️ More facial UV exposure
⬆️ More local vitamin D activation
⬆️ More cathelicidin production
🔥 More inflammation in genetically susceptible skin

And UV doesn’t just contribute to the pathway—it is also one of the most common direct rosacea triggers on its own.

This helps explain why rosacea consistently affects the central face (cheeks, nose, chin, and forehead) while leaving most other areas of the body relatively untouched.

Understanding rosacea means looking upstream at the biological mechanisms driving inflammation—not just the redness you see in the mirror.

Have you noticed your rosacea flares after sun exposure, even when you don’t burn?

You’ve asked this question dozens of times:

“Which cleanser actually reaches the follicle where Demodex mites live?”

Here’s the honest answer: none of them do.

A cleanser stays on your skin for seconds before being rinsed away. Its job isn’t to pe*****te deep into the follicle and eliminate mites—it’s to remove excess oil, debris, and irritants without damaging your skin barrier.

For rosacea-prone skin, the best cleanser is usually:
✔ Low pH
✔ Fragrance-free
✔ Non-stripping
✔ Gentle enough for daily use

Many people tolerate cleansers like Vanicream Gentle Cleanser, Cetaphil Gentle Skin Cleanser, La Roche-Posay Toleriane, and Avène because they support the barrier rather than aggressively stripping it.

The real follicular work happens with leave-on treatments that have contact time, such as ivermectin, azelaic acid, sulfur, and other targeted therapies.

Even sulfur or benzoyl peroxide washes work better when given a few minutes of contact time rather than being rinsed off immediately.

The biggest mistake I see? People searching for a stronger cleanser instead of focusing on the treatment step. Over-cleansing often damages the barrier and can make rosacea, irritation, and inflammation worse.

Cleanser = protect the barrier.
Treatment = do the follicular work.

What cleanser are you currently using? Drop it below and I’ll tell you whether it’s rosacea-friendly. 👇

If you want your cleanser, treatment plan, triggers, and routine matched to your specific skin, check out my Skin Decode through the link in bio.

If your “rosacea” comes with itching, oily flakes, eyebrow/scalp irritation, or stubborn texture… it may not be rosacea alone.

Many people have an overlap of rosacea + seborrheic dermatitis — two conditions that can look similar but need very different approaches.

✨ Seb Derm signs:
• Greasy flakes
• Itching
• Around nose, brows, scalp, ears
• Often linked to Malassezia imbalance

✨ Rosacea signs:
• Flushing + burning
• Persistent redness
• Bumps/pustules
• Often linked with inflammation + Demodex imbalance

The mistake? Treating your entire face like it has one problem.

Heavy creams can calm rosacea but may worsen Malassezia-prone areas. Harsh antifungal routines can reduce flakes but destroy an already fragile rosacea barrier.

Map your skin:
✔️ Flaking + itchy zones → target seb derm
✔️ Burning + flushing zones → support rosacea barrier

Your skin may not be “resistant”… you may just be treating the wrong trigger.

Not sure what’s actually driving your skin? My Skin Decode helps uncover your pattern → link in bio
🤍

Most people with Demodex, blepharitis, or ocular rosacea never think to check their mascara ingredients.

Some mascaras contain waxes and oils that can create a more favorable environment around the lash line.

Common ingredients to watch for:
• Beeswax
• Carnauba wax
• Jojoba oil
• Mineral oil

On the other hand, water-based formulas and tubing mascaras are generally less likely to contribute.

If you’re struggling with itchy eyelids, lash debris, irritation, or recurring eye symptoms, your makeup routine may be worth reviewing.

✔ Replace mascara every 8 weeks
✔ Never share eye makeup
✔ Remove it completely every night
✔ Keep the lash line clean

What mascara brand are you currently using? Leave it in the comments and I’ll take a look at the ingredients.

If your demodex, rosacea, blepharitis, or facial folliculitis keeps returning no matter what you try, this may be the missing piece.

Certain medications can suppress the skin’s natural immune defenses against demodex mites — allowing populations to increase even during treatment.

Some of the most common include topical steroids, tacrolimus, inhaled corticosteroids, methotrexate, biologics like Humira, and other immunosuppressive medications.

This is one of the most overlooked reasons I see behind chronic, treatment-resistant skin inflammation.

Do NOT stop medications abruptly or without medical supervision. But understanding how these drugs affect the skin and immune system can completely change how treatment needs to be approached.

Comment your medication below and I’ll let you know if it has documented demodex or rosacea associations.

Most people with demodex rosacea only hear about ivermectin.

But in many countries, it’s difficult to access without a prescription - and almost nobody talks about the main alternative.

Permethrin 5% works through a completely different mechanism: disruption of demodex nerve sodium channels → paralysis → death.

Critical distinction:
Permethrin 1% lice formulas are NOT sufficient for facial demodex. The studies and protocols use 5%.

Question for you:
Have you ever actually been tested for demodex - or were you just told it was “sensitive skin” or “acne”?

Comment your country below - I’ll tell you what’s actually accessible there.

If your rosacea exploded after stopping a steroid cream, you are NOT ‘addicted.’ You have a specificphysiological rebound - and there’s a protocol.
• Topical steroid withdrawal (TSW) causes rebound erythema, burning, oozing, pustulation.• Mechanism: chronic vasoconstriction from steroids ®️ withdrawal vasodilation cascade.• The demodex population ALSO explodes during TSW - steroids had been suppressing them.• Recovery timeline: 6–12 months for full skin reset.• Critical: do NOT restart steroid. Manage symptomatically and rebuild the barrier.
TSW protocol: oral doxycycline 40mg daily, twice-daily medical-grade jojoba moisturizer (avoid petroleum), topical
ivermectin every other night, ice compresses 4× daily during burning phase, ZERO active ingredients until barrier
rebuilds at month 3. Hydroxyzine 25mg at night for sleep.
Steroid withdrawal stories - drop your timeline below. Others need to see they’re not alone.

Those bumps along your hairline are not pimples. Treating them like acne is often making them worse.

Hairline folliculitis can be bacterial or fungal, but itchy non-scarring bumps that worsen with sweat, hats, oily scalps, or sleeping with wet hair are commonly caused by malassezia.

Big triggers: pomades, heavy oils, silicones, synthetic headwear, and even coconut oil in some people.

What helps:
Ketoconazole 2% or selenium sulfide shampoo massaged into the scalp and hairline for 5 minutes before rinsing. Use every other day for 4 weeks and avoid heavy hair products during treatment.

Painful or scarring bumps should be evaluated by a dermatologist.

Are your hairline bumps itchy or painful? That distinction matters.

HOCl is one of the most misunderstood tools in rosacea and Demodex care.

Your immune system already produces hypochlorous acid naturally to fight pathogens. The problem is most people either:
• use the wrong concentration
• rinse it off
• or apply it in the wrong order

What HOCl may help with:
• Demodex-associated bacteria
• surface inflammation
• staph overgrowth
• microbial imbalance
• reactive rosacea skin

Best concentrations for facial use are typically around 0.01–0.02%.

Examples:
• Ovante Hypochlorous Acid Spray (0.02%)
• Briotech (0.014%)
• Tower 28 SOS Spray (0.008% - milder)
• SkinSmart HOCL (0.018%)

Most important step:
Cleanse → HOCl → let fully dry → THEN apply treatment.

Do not rinse it off.

HOCl is not usually enough alone for true Demodex overgrowth, but it can help reduce the inflammatory environment surrounding it.

Have you tried HOCl yet?

A huge number of rosacea patients may actually have hypochlorhydria - LOW stomach acid.

And this changes everything downstream.

Low stomach acid can lead to:
• Poor protein digestion
• Bacterial overgrowth (SIBO)
• Bloating after meals
• Reflux from fermentation/gas pressure
• Poor absorption of zinc, B12, magnesium & iron — all critical for skin health

Signs I look for as an FSP:
• Bloating within 1 hour of eating
• Burping after meals
• Feeling heavy/tired after protein
• Undigested food in stool
• Reflux that gets worse with large meals

One simple at-home clue:
Try 1 tbsp apple cider vinegar in water before a large protein meal.

If bloating improves → low stomach acid may be part of the picture.
If it burns → you may already have adequate acid.

In some cases, Betaine HCl + pepsin can be helpful under practitioner guidance.

⚠️ Avoid Betaine HCl if you have ulcers or take NSAIDs/corticosteroids.

This is one of the most overlooked gut-skin connections in rosacea.