The Blue Squirt: Japanese Color Dye Study Explained

Learn about the Japanese blue dye study. Discover why squirt and female ejaculate differ in the context of yoni massage.

Scientific proof is a key part of deep body work because it helps us leave old myths behind.

In the year 2022, a group of Japanese experts shared a new report after they worked at the Okayama Central Hospital. Their study changed how we view female squirting because for many years, people did not know where the liquid came from. Some thought it was just sex while others thought it was a mystery.

This study used a bright blue dye to find the truth, and it was a bold move for sex science. Now we have clear facts about how the body works.

The Famous Japanese Color Dye Experiment

The team at Okayama Central Hospital followed a strict plan while they found five women who were able to squirt. These women were not sex workers because the goal was to study a natural bodily act.

First, the experts used a tube to empty the bladder to make sure no old urine was left inside. Then they put a mix of blue dye and saline back into the bladder.

The dye is called indigo carmine, and it has a deep blue color. After this, the women received sexual stimulation while the scientists watched the results very closely.

Visual Evidence: Why the Liquid Turned Blue

The results of the test were very clear to see because in all five cases, the liquid that came out was bright blue.

This simple fact proved a big point because the liquid must come from the bladder. If it did not, it would be clear, but the blue dye showed the exact path of the fluid.

This confirms that the bladder is the main source of a squirt, although for a long time, many people did not believe this. They thought the bladder stayed shut, but the blue color tells a new story about the body.

Image of the blue dye experiment showing the release of colored liquid.
A visual from the Japanese blue dye experiment, which used indigo carmine to confirm the bladder as the main source of the fluid.
From article "Enhanced visualization of female squirting".
onlinelibrary.wiley.com

Not Just Urine: The Discovery of PSA

The study found something else very vital because the blue liquid was not just plain urine.

The experts tested the samples in a lab and they found a protein called PSA in four of the five women. PSA is a sign of the female prostate or Skene’s glands, which means the liquid from the bladder mixes with a special secret.

This secret comes from glands near the urethra, so a squirt is actually a unique mix. It has a different chemical make up than normal urine, which makes it a special event for the body.

Squirt vs. Female Ejaculation: Two Different Mechanisms

We must learn the difference between two things because there is the squirt and there is female ejaculation.

The Japanese study makes this very clear because a squirt is a large amount of thin liquid. It comes from the bladder and is mostly blue in the test, but female ejaculation is very different. It is a small amount of thick, white liquid that comes only from the Skene’s glands. It does not come from the bladder because these are two separate acts of the body.

Yoni massage techniques related to these fluids are explained in articles:

Squirting vs. Coital Incontinence: The Key Differences

Some people worry that squirting is just an accident because they fear it is the same as losing control of the bladder. But the study shows this is not true because this is not coital incontinence.

That is a different thing where a person pees by mistake, and it often feels bad or is not wanted. Squirting happens during a peak of joy, and it is a part of the nervous system’s big release. The women in the study felt good and safe, and they did not feel like they were losing control in a bad way.

The Role of Skene’s Glands in Female Anatomy

The Skene’s glands are also called the female prostate. Old books said they just sit on two sides of the urethra. But modern science shows a new truth. Experts now know there are many small glands all around the urethra where liquid leaves the body.

These glands are a key part of the G-spot area. During a yoni massage, this whole network can become very active and produce the PSA that the scientists found. This network can grow and fill with fluid during a session. This fullness and pressure on the bladder create the urge for a release.

Professional Literacy for Yoni Massage Practitioners

A good guide must know the facts, so they must understand the study from Okayama Central Hospital. This knowledge helps the guide stay calm and professional while they work. If a client has a release, the guide should know what it is and can explain that it is a safe mix of fluid.

This builds huge trust between the two people because a skilled guide must know this difference. They should see it as a sign of deep somatic ease. Knowing the difference between squirt and ejaculate is vital because it stops shame.

Fluid Release as a Side Effect of Internal Work

In a yoni massage, we have no goal to make a squirt happen because it is not a prize or a target. We focus on deep tissue work and slow breath while we work on the whole body to find peace. Sometimes the body lets go of fluid, and it is simply a side effect of the massage.

It happens because the person is very relaxed, so the muscles let go and the nerves feel safe. If it happens, it is fine, and if it does not happen, it is also fine. We do not push for a result.

Conclusion: Science Supporting Body Awareness

The work of the Japanese scientists is a great gift because it helps us see the body as it really is. We now know that a squirt is a safe mix from the bladder, and we know it involves the Skene’s glands.

This science supports our body awareness while it helps us stop feeling shame about our natural acts. When we know the truth, we can relax more deeply because this is the heart of somatic education.

We use facts to build a better life, and a yoni massage is a path to this deep knowing.

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