Before Agarwood Becomes Incense

Short answer: Fei Shui (飞水) is a repeated water-processing method used selectively before some agarwood powder becomes incense. The powder is placed in water, material that rises or separates is removed, the remaining material is filtered, and the process is repeated according to what the maker observes. It can soften a rough or raw edge, but it cannot create resin or manufacture a higher grade.

What Problem Is Fei Shui Trying to Solve?

Agarwood is resinous wood, but a batch selected for everyday incense can still contain a substantial proportion of pale wood. Once burned, that material may show more dry wood, smoke, dustiness or a sharp raw edge than the maker wants in the finished incense.

The question is not simply whether the material is “natural.” Natural material can still arrive in a condition that asks for preparation. The maker first burns and smells the material, then decides whether water processing is appropriate.

Before Processing: Reading the Material

Before water is added, the agarwood is not judged by appearance alone. Darkness and density can provide clues, but the maker also pays attention to how the powder smells and behaves when heated or burned.

Is the woody side clean or muddy? Does a sharp edge cover the softer resinous character? Does the material already feel balanced enough to use with very little interference? The answer determines whether Fei Shui is used at all.

Step 1: Placing the Agarwood in Water

The agarwood powder is placed in clean water and allowed to separate. Different parts of the material behave differently: some rise, some remain suspended, and denser material settles.

This is not a simple test that divides “good” from “bad.” The maker is working with a powder, not grading a complete piece of agarwood. What separates is considered together with the smell and condition of the original batch.

Step 2: Removing What Rises or Separates

Material that rises or separates is removed according to the condition of the batch. The purpose is not to strip the powder until only the darkest particles remain. It is to work carefully with the rougher side of material that already contains genuine agarwood resin.

Removing too much would also change the material. Fei Shui therefore depends on observation rather than a fixed recipe that can be applied identically to every batch.

Step 3: Filtering the Remaining Material

The remaining powder is filtered so that the maker can continue working with the settled material. Its texture, color and smell are checked again before another round begins.

The water itself is not being used to perfume the agarwood. No floral note, milk scent or sweet fragrance is added. The process is intended to let the existing material present itself more clearly when it later burns.

Step 4: Repeating—Usually Three to Five Rounds

For suitable material, the separation and filtering process may be repeated around three to five times. The number is not a quality badge. It changes with the material.

Between rounds, the maker looks for whether the material is becoming cleaner and more even without losing the character that made it worth using. The process stops when further intervention is no longer useful.

What Changes After Water Processing?

In our maker’s experience, suitable agarwood powder can feel less raw or sharp after repeated water processing. The woody side remains, but it may sit more quietly, allowing warmth, soft sweetness, balsamic depth or a faint floral quality already present in the resinous material to become easier to notice.

This is a workshop observation, not a claim that every user will perceive the same notes or that every batch will respond in the same way. The final result still depends on the original material and on how the incense is formed, dried and burned.

What Fei Shui Cannot Do

• It cannot create aromatic resin that was never present.
• It cannot turn lower-density material into sinking-grade agarwood.
• It cannot make every batch smell the same.
• It cannot replace careful material selection.
• It is not evidence, by itself, that an incense is natural or high quality.

When Agarwood Should Be Left Alone

Exceptionally resin-rich and well-balanced agarwood may need very little from the maker. If the material already burns with clarity, depth and a pleasing relationship between wood and resin, extra processing can become unnecessary interference.

This is why Fei Shui is not automatically applied to every agarwood. The goal is not to perform more steps. It is to understand when a step helps—and when to stop.

From Prepared Material to Unadorned Agarwood

After processing and drying, the material can be ground, formed and tested again as incense. In Unadorned Agarwood, no floral fragrance or creamy note is added. The intention is to work with one aromatic material carefully enough that more of its own character can be heard.

For the wider relationship between resin, density, formation time and scent, read What Makes Agarwood Incense Smell Better?.

Explore Unadorned Agarwood →

Sources and Method Note

• YINN workshop documentation and observations from traditional incense makers in China, 2026.
• Unraveling the science of “sinking and dark-colored” superior agarwood through density, color, and metabolomics, RSC Advances, 2026. Used for the distinction between density, sinkability and resin-related measurements—not as evidence for the sensory effects of Fei Shui.
• The Characteristic Fragrant Sesquiterpenes and 2-(2-Phenylethyl)chromones in Wild and Cultivated “Qi-Nan” Agarwood, Molecules, 2021.