If you have spent any time around plant medicine circles, ayahuasca retreats, or wellness corners of social media, you have probably come across a small brown bottle labeled sananga. People talk about it in hushed, almost reverent tones, usually followed by a wince and a laugh about how much it stings. So what is actually going on here, and why do people willingly put a jungle plant extract directly into their eyes? Let’s break it down.

What Is Sananga, Exactly?

Sananga is a liquid eye medicine prepared from the root bark of shrubs in the Tabernaemontana family, most commonly Tabernaemontana undulata or Tabernaemontana sananho. It comes from the western Amazon, and it has been used for generations by Indigenous groups such as the Matsés, Yawanawá, Katukina, and Huni Kuin. Some of these communities know it by other names too, like becchete among the Matsés or mana heins among the Huni Kuin, but outside the Amazon it is almost always called by its Portuguese name, sananga eye drops, the term that has stuck as the practice has spread into Western retreat settings and wellness circles.

Unlike ayahuasca or kambo, sananga applied to the eyes is not considered psychoactive. It will not produce visions or an altered state. What it does produce, almost immediately, is a sharp burning sensation followed by watering eyes and, according to longtime users, a noticeable sense of clarity once the sting fades.

How Are Sananga Eye Drops Made?

The preparation is simple in concept but demands real skill. Root bark is scraped or grated into fine shavings, then pressed and soaked in clean water until the liquid takes on a golden or amber color. Depending on the tribe and the intended strength, this mixture is diluted more or less heavily, which is why potency can vary a lot from one batch to the next. Traditionally, this entire process is done by hand by Indigenous medicine makers, and the finished liquid is stored in small dropper bottles until it is ready for ceremonial or everyday use.

Because there is no standardized manufacturing process behind sananga, the concentration of active compounds, mainly monoterpene indole alkaloids related to the iboga family, is never exactly the same twice. That is worth keeping in mind if you are used to pharmaceutical eye drops with a fixed, tested dosage.

What Do People Use Sananga Eye Drops For?

In the Amazon, sananga has two overlapping purposes: practical and spiritual. On the practical side, hunters have long applied it before heading into the forest, believing it sharpens vision, improves night sight, and heightens focus and reaction time. On the spiritual side, sananga is used to clear what many tribes call panema, a kind of stagnant or heavy energy thought to bring bad luck, low mood, or a general lack of direction.

Modern users tend to report a mix of both worlds. Some say it helps with eye strain, tension headaches, and mental fog after long screen time. Others use it as part of a broader ceremonial practice alongside ayahuasca, kambo, or breathwork, treating the brief burning sensation almost like a reset button for the mind. You will also find bolder claims online suggesting sananga can help with glaucoma, cataracts, or even blindness. It is important to be honest here: those claims come from tradition and anecdote, not from clinical research, and no eye drop, plant based or otherwise, should be treated as a replacement for an actual diagnosis from an eye doctor.

What Does It Actually Feel Like to Use Sananga?

First time users are rarely prepared for how intense the first thirty seconds can be. One or two drops go into each eye, and within a moment there is a sharp, burning heat that most people compare to chili oil or a strong chemical sting. The eyes water heavily, sometimes the face flushes, and it is common to feel a short wave of pressure or throbbing behind the eyes. This peak usually passes within two to five minutes.

Once the burning settles, people frequently describe a calm, almost washed out clarity: colors seem sharper, the mind feels quieter, and there is a lingering sense of having gone through something rather than just applied a routine eye drop. That contrast between discomfort and relief is a big part of why the ritual has such a strong following among plant medicine practitioners.

Is It Safe to Put Sananga Eye Drops in Your Eyes?

This is the question worth spending the most time on. Sananga is not a pharmaceutical product. It is not sterilized to medical standards, it is not regulated by any health authority, and formal scientific research on its safety when applied to the eye is still very limited. That does not automatically make it dangerous, but it does mean the usual rules of caution apply.

A few things are worth knowing before you try it. Because the liquid is prepared by hand, contamination and inconsistent potency are real possibilities, so sourcing from an experienced, reputable maker matters. People with existing eye infections, recent eye surgery, or serious eye conditions should speak with an ophthalmologist before using any plant based eye preparation. Contact lens wearers should remove lenses first. And anyone who is pregnant, has a compromised immune system, or is simply unsure should treat sananga with extra caution or skip it altogether.

None of this is meant to scare you off. It is meant to put sananga in its proper context: a traditional practice with genuine cultural roots, not a clinically tested medical treatment.

How Do You Use Sananga Eye Drops Correctly?

If you decide to try it, a slow and careful approach makes a real difference. Wash your hands thoroughly before opening the bottle. Tilt your head back, or lie down, and have someone experienced apply one drop to each eye if this is your first time. Keep your eyes closed for the first minute or two rather than rubbing them, since rubbing tends to spread the burning sensation and can irritate the surface of the eye. Breathe through the initial sting instead of panicking, since it does pass. Afterward, avoid touching your eyes for a while, and give yourself a few quiet minutes before jumping back into whatever you were doing.

Most experienced practitioners recommend spacing out sessions rather than using sananga daily, and starting with a lower concentration if you are new to it. Less is genuinely more here.

Where Can You Find Authentic Sananga Eye Drops?

Sourcing matters just as much as technique. Because sananga is handmade and unregulated, quality varies enormously between sellers, and some products marketed online have little connection to the traditional preparation at all. Look for makers who are transparent about which plant species they use, how the bark was harvested, and whether the community that prepares it is fairly compensated. Buying from a source with clear traceability back to Indigenous producers is generally a safer and more respectful choice than picking the cheapest bottle you find.

The Bottom Line

Sananga eye drops sit at an interesting crossroads of tradition, ritual, and modern wellness curiosity. The plant carries real cultural weight for the Amazonian communities who have used it for generations, and plenty of contemporary users find genuine value in the practice. At the same time, it is not a medically tested product, and treating it with the same respect and caution you would give any potent, unregulated substance is simply good sense. Learn about its origins, source it thoughtfully, go in with realistic expectations, and you will get a far better sense of what all the quiet reverence is actually about.

Frequently Asked Questions About Sananga Eye Drops

Is sananga psychoactive?

No. When applied to the eyes, sananga does not produce hallucinations, visions, or an altered state of consciousness the way ayahuasca does. The intense sensation people feel is a physical burning reaction, not a psychedelic effect.

How long does the burning sensation last?

For most people, the sharpest burning lasts somewhere between two and five minutes before it fades into a milder warmth or tingling. Sensitivity varies from person to person and depends on how concentrated the batch is.

Can sananga actually cure eye diseases like glaucoma or cataracts?

There is no clinical evidence to support that claim. Traditional use and anecdotal reports describe improved clarity and reduced eye strain, but sananga has not been studied or approved as a treatment for diagnosed eye conditions. Anyone dealing with a real eye disease should be under the care of an ophthalmologist.

How often can you use sananga eye drops?

Most traditional practitioners use it occasionally rather than daily, often before a hunt, ceremony, or period of focused intention. Frequent, repeated use without guidance is generally discouraged, since the eyes need time to recover between applications.

Is sananga legal to buy and use?

In most places, yes, since it is not classified as a controlled substance and is not psychoactive when used as directed. That said, regulations differ by country, so it is worth checking local rules, especially around importing plant based products.

Who should avoid using sananga eye drops?

People with active eye infections, recent eye surgery, serious diagnosed eye conditions, or contact lenses still in should avoid it or consult a doctor first. It is also wise for pregnant people and anyone with a weakened immune system to be cautious, since the product is not sterile in the pharmaceutical sense.