Naftalan for Psoriasis: How It Works, Remission Evidence, and When Not to Go (2026)

Naftalan oil is traditionally used for psoriasis during the remission stage at sanatoriums in Naftalan, Azerbaijan. A small observational study reported PASI improving from about 23.1 to 7.95 after three weeks of warm-oil immersion, a reported outcome from uncontrolled clinical experience, not a cure and not a randomized trial. Naftalan is contraindicated during an active flare.

Birtour is a Baku-based DMC that books stays at Naftalan's sanatoriums; we are not a medical provider, and we do not operate any of the properties named on this page. Nothing here is medical advice. Suitability, contraindications, and outcomes are set by each venue's clinical team, not by us; confirm with a physician before booking a course. Prices below are indicative and dated; ask us for a current quote.

Last reviewed: July 2026.

Does naftalan cure psoriasis?

No. No study has shown naftalan cures psoriasis. The reported outcome comes from one small single-arm Croatian study: PASI (Psoriasis Area and Severity Index) improved from about 23.1 to 7.95 after three weeks of daily immersion. That is uncontrolled clinical evidence, not a randomized controlled trial, and it describes improvement, not a lasting cure.

Naftalan does have one double-blind randomized controlled trial to its name, but it treated oral lichen planus and recurrent aphthous stomatitis, not psoriasis or joint disease. That trial found no significant efficacy difference against the steroid betamethasone. Any claim that an RCT proves naftalan clears psoriasis is citing the wrong trial.

Naftalan oil psoriasis: what the evidence actually supports

Evidence-supported use of naftalan oil for psoriasis sits in one bracket: remission-stage disease, not active flares, supported by uncontrolled clinical experience built up over decades at Naftalan plus the single small study cited above. There is no controlled trial comparing naftalan against a placebo or an established psoriasis treatment such as topical corticosteroids or phototherapy alone.

The proposed mechanism draws on in-vitro keratinocyte studies and the oil's naphthenic-acid and cycloalkane content, not a confirmed clinical pathway. Sanatorium staff at Naftalan will sometimes describe the mechanism in firmer terms than the literature supports; treat mechanism explanations from any resort as a working theory, not settled science. Naftalan's own presidential-backed status as Azerbaijan's flagship medical-tourism brand (a September 2024 decree specifically targets its medical-tourism role) reflects a government growth push, not a research upgrade in the underlying evidence base.

How long is a naftalan psoriasis course?

A naftalan psoriasis course typically runs 14 days, the standard length at most Naftalan sanatoriums, though 7 and 10-day blocks also exist. Each day usually combines an 8 to 15-minute warm-oil immersion bath at 34 to 38°C with 15 to 20 minutes of UVA or UVB light and a physiotherapy session, sold as part of a full-board package rather than a stand-alone bath.

Minimum child age for a psoriasis course varies by source, three years in some references and five in others; we state it conservatively and recommend confirming the specific sanatorium's policy for children under five before booking. None of the day-count or age figures below substitute for the venue's own clinical intake assessment.

When is naftalan not safe for psoriasis?

Psoriasis staging matters more than any other factor in whether naftalan is appropriate. Naftalan is indicated only in the stationary or remission stage of psoriasis and contraindicated during the acute, progressive flare phase. Booking a course while a flare is active is not a faster route to relief; it is the specific scenario the therapy is not indicated for.

Beyond psoriasis staging, the full contraindication list applies to every naftalan booking regardless of the condition being treated:

• Active psoriasis flare. Indicated only during the stationary/remission stage; the acute, progressive phase is a contraindication, not an indication.
• Petroleum allergy. Naftalan oil is a petroleum derivative; a known allergy to petroleum products rules it out.
• Pregnancy and lactation. Excluded across every source we checked, with no exception noted.
• Active cancer or tumors. Listed as a contraindication in the dermatology literature.
• Acute febrile infection. Wait for the infection to clear before booking a course.
• Stage 2 to 3 hypertension or severe cardiac disease. Warm immersion raises cardiovascular load; screen with a cardiologist first.
• Bleeding disorders. A prudent additional caution for hot immersion bathing; confirm with a physician.

A separate safety gap applies to the oil itself, not just the patient's condition. A 1978 University of Zagreb trial on 770 patients found refined "white" naftalan was not carcinogenic, but most Azerbaijani resorts use crude-oil immersion baths, which that study does not cover. Naphthalene, a distinct chemical compound, is separately classified by the International Agency for Research on Cancer as Group 2B, "possibly carcinogenic to humans"; naftalan oil is a different substance, and the two get confused in casual write-ups. Naftalan oil also has not received full international medical certification as of mid-2026; treat any claim that it is internationally regulator-approved as premature.

Screen with a physician before booking, not after arrival, and disclose your psoriasis stage honestly when you enquire. A sanatorium's clinical team makes the final call on suitability once you arrive, and an accurate stage disclosure at booking avoids a wasted trip.

What is the best sanatorium in Azerbaijan for psoriasis?

We do not rank sanatoriums; the venue's clinical team decides suitability once you arrive, and we have not audited outcomes across properties ourselves. What we can state is positioning and pricing, sourced to each property's own listing.

Roughly 14 properties operate in the town as of July 2026, per naftalanhotels.com's own active-property list. The four above are the most established for a dermatology-specific course; smaller properties exist but we have not verified their psoriasis-specific protocols independently.

What we don't claim

• We don't call naftalan a cure for psoriasis. The evidence supports "traditionally used for" and "reported to help" language during remission, not "treats" or "cures."
• We don't cite the naftalan RCT as psoriasis evidence. That trial treated oral lichen planus; using it to back a psoriasis claim is a citation error we won't make.
• We don't quote a single all-in medical price. Naftalan programs bundle room rate and treatment differently by property; we send a current quote once we know your dates, your psoriasis stage, and any other medical restrictions.
• We don't handle the clinical side. Diagnosis, flare-vs-remission staging, and course design are the sanatorium's clinical team's job, not ours.

For the full evidence and safety picture across all naftalan indications, not just psoriasis, see our naftalan oil therapy guide. For operators or families ready to check dates, our DMC quote request guide has the template that gets a fast, accurate answer.