Vabbing: What It Is, Does It Work, and the Cleaner Copulin Science

A customer emailed me after seeing vabbing clips on TikTok. Was the copulin perfume on my site vabbing in a bottle? And was the science real, or just a good story?

Fair questions. Copulins are real, and scientists have tested them for decades. But putting fresh vaginal fluid on your neck before a night out is not the same as a lab test.

Let’s look at what vabbing is, what the tests found, and where the health risks come in. I’ll also show you a cleaner way to try the same scent chemicals.

What Is Vabbing? Meaning and TikTok Origins

Vabbing blends the words vagina and dabbing. You collect a small amount of vaginal fluid and dab it on your wrists, neck, or behind your ears. The idea is to wear it like perfume.

People who try it think their natural scent acts as a chemical signal. They hope it will draw in people they want to date or sleep with.

The Viral Spread on Social Media

Vabbing took off in the summer of 2022. TikTok creator Mandy Lee posted a clip about doing it on a night out. She said it got her free drinks and steady attention from men. The video drew millions of views and thousands of reaction clips before she took it down.

But TikTok did not invent it. Sexologist Shan Boodram wrote about the method in her 2019 book The Game of Desire. She said she had used her own secretions as an unseen attractant for over a decade.

The idea goes back further still. Intimate fluids have turned up in folk rituals and attraction recipes throughout history. Social media gave an old practice a new name and tied it to ideas about how humans evolved.

For more on scent signals, read how pheromones work in humans.

The Chemical Foundation: What Are Copulins?

The chemicals people are after are called copulins. Richard Michael and Robert Keverne first found them in rhesus monkeys in the late 1960s. They are a mix of fatty acids that can turn into vapor and travel through the air.

In women, these acids form in the vaginal lining. Helpful Lactobacillus bacteria make them by breaking down glycogen. A typical copulin blend has five short-chain organic acids:

1. Acetic acid, the compound that gives vinegar its sharp punch
2. Propionic acid
3. Isobutyric acid
4. Butyric acid, the distinct scent found in aged cheese and butter
5. Isovaleric acid

The amounts change over a woman’s monthly cycle. They peak in the late follicular phase, around ovulation, then fall fast in the luteal phase. One theory is that this change signals when a woman is most likely to get pregnant.

That does not tell us if the scent changes what anyone does outside a lab. For more on how female scent signals differ from male steroids, see what pheromones attract men.

Does Vabbing Actually Work? The Evidence vs. The Placebo Effect

There are two questions here. What happens when men smell copulins made in a lab? And has anyone shown that dabbing vaginal fluid works on a night out?

Study or Review	Year	Method	Key Finding
Jutte and Grammer	1997	Synthetic copulin inhalation in men	Salivary testosterone rose; rated female faces more uniformly attractive.
Williams and Jacobson	2016	Double-blind test with synthetic copulin mixture	No change in female facial ratings; men rated themselves more desirable.
Williams and Apicella	2018	Behavioral decision and risk tasks	Null result. No measurable shift in male mate-choice or financial risk-taking.
Amzat et al.	2023	Systematic scoping review on vabbing	Zero published clinical trials or direct evidence supporting vaginal dabbing.

The Landmark 1997 Jutte and Grammer Study

Vabbing fans often point to a 1997 study by Astrid Jutte and Karl Grammer at the University of Vienna. They had adult men smell a man-made copulin blend. Its mix of acids matched what is found near ovulation.

They saw two things. The men who smelled copulins had more testosterone in their saliva than the control group. They also gave women’s faces in photos more even scores for looks. Researchers called that softer judgment the copulin goggles effect.

In 2012, Steinbach and colleagues found much the same changes in male hormones and how men worked with others. These tests showed that the fatty acids can cause a response through smell in a lab.

The Replication Problems and Null Results

But the studies do not all agree. Later tests found mixed results, and some found no effect.

In a 2016 study published in Evolutionary Psychology by Williams and Jacobson, researchers tried the face-rating test again. Men who smelled copulins did not rate women’s faces as more attractive than the control group did.

They did rate themselves as more desirable. In that test, copulins did not change how the men saw the women. They changed how the men saw their own appeal.

A 2018 study published in Adaptive Human Behavior and Physiology by Williams and Apicella looked at what men did. Would copulins made in a lab make them take more chances in dating or with money? The researchers found no change in their choices or actions.

The Definitive Scoping Review

In 2023, medical researchers reviewed the work on vabbing in Reproductive, Female and Child Health by Amzat et al.. They looked for tests of people dabbing vaginal fluid on their skin.

They found zero published clinical trials or studies showing that vabbing attracts people who might want to date or sleep with you.

A quiet lab booth is not a bar or a party. Other smells, moving air, looks, voice, and body language all compete with a faint scent you have not measured. I get into that mix in how pheromones influence first impressions.

Why Do People Swear It Works? The Placebo Dynamic

So why do women say vabbing works for them? What you believe can change how you act.

If a woman thinks her scent makes her hard to resist, she may hold eye contact longer. She may smile more, speak with more ease, and take an ordinary chat as a good sign. She expects it to work, then spots the signs that seem to back her up. That is called confirmation bias.

A glance from a man across a crowded bar can feel like proof when she is trying vabbing. Without it, she might not notice the same glance. And if she feels warmer and more at ease, people may respond to that. I talk more about this in the hidden confidence boost of wearing pheromones.

The Biological Limitations of Raw Vaginal Secretions

Raw fluid also has three problems that lab tests avoid.

1. Rapid Chemical Breakdown on Warm Skin

The fatty acids in vaginal fluid do not hold up well. In a lab, researchers keep them in cold liquids or sealed containers.

Rub raw fluid onto a warm pulse point and it fades faster. Skin bacteria also start to break down the acids. Within two to three hours, the smell can turn stale and rancid. Someone standing close may smell that instead of the scent you hoped to wear.

2. Hormonal Swings and the Contraceptive Dilemma

Copulin levels change from day to day. In a natural cycle, the fatty acids peak for roughly forty-eight hours around ovulation. Outside that window, levels fall. By the late luteal phase, other acids change the scent.

Hormonal birth control flattens those changes. Combined birth control pills, hormonal IUDs, patches, and implants prevent ovulation. They also hold back the hormone spikes that raise copulin levels. Women using hormonal birth control produce baseline secretions with little to no copulin activity. For them, raw vabbing has no chemical foundation.

3. Olfactory Fatigue and Scent Perception

Fresh copulins have a faint sour smell, a bit like light vinegar or fresh sourdough starter. That comes from the acetic and propionic acids.

But your nose gets used to a scent sitting right under your chin within minutes. That is olfactory fatigue, or nose-blindness. You might think the smell has faded and add more. People around you can still smell the raw fluid as it breaks down. If getting the scent balance right has been a problem for you, see why pheromones are not working.

Is Vabbing Safe? Health Risks, BV, and Hygiene Concerns

Doctors and sexual health groups have raised concerns about vabbing. The main risk is not fluid sitting on your wrist. It is how you collect it.

As educators at the McGill University Office for Science and Society point out, hands carry bacteria, dirt, and tiny bits of debris. Putting an unwashed finger into the vaginal canal brings a real health risk.

Bacterial Vaginosis and Yeast Overgrowth

The vagina has its own mix of microbes, kept in balance by bacteria that make lactic acid. Hand germs such as Escherichia coli or Staphylococcus aureus can upset it.

Taking fluid from inside again and again can lead to bacterial vaginosis. It can cause irritation, burning, and a strong fishy smell from trimethylamine. It can also set off a yeast flare-up, with painful itching and thick discharge.

Micro-Tears and Pelvic Inflammatory Disease

Even freshly trimmed fingernails have sharp edges and tiny ridges. Scraping for fluid can make small tears in soft tissue.

Those tears can cause swelling and give germs a way in. In severe cases, bacteria can move through the cervix into the uterus and fallopian tubes. That can lead to pelvic inflammatory disease, which can cause lasting pelvic pain and harm future fertility.

Communal Transmission and Gym Equipment

Some women on social media say they vab before the gym. They think heat and sweat make the scent stronger.

But if you touch intimate fluids and then shared weights, kettlebells, or cardio machines, you can spread germs to other people.

If you have an infection you do not know about, you may also leave bacteria, trichomoniasis, or virus particles on gym surfaces.

A Cleaner Alternative: Lab-Synthesized Copulin Perfumes

If the copulin science interests you, there is a cleaner way to try it. You do not need to collect raw fluid or risk an infection.

A lab-made pheromone perfume for women uses the same fatty acids found in the studies. They are made in clean lab settings. You get a set dose without the hygiene problems, day-to-day changes, or awkwardness of raw fluid.

Predictable Dosing vs. Biological Guesswork

Raw secretions can have lots of short-chain fatty acids one day and almost none the next.

A lab-made fragrance gives you the same amount of copulins with every spray. You do not have to guess what your cycle or birth control is doing to the scent. An alcohol and oil base holds the acids in place. That slows the scent from fading and stops the fast breakdown that spoils raw fluid on warm skin.

Professional Scent Architecture

The smell is another reason I would not use raw secretions as perfume. Butyric and isovaleric acids can smell sour or stale when you put them straight on pulse points.

Perfume makers blend pure copulins with bright notes, sweet fruit, flowers, or deep vanilla to cover those sour edges. The heavier scent chemicals can still rise off warm skin. If you are curious about how they smell on their own, read what pheromones smell like.

How to Apply Copulin Fragrances for Best Results

Go light with a copulin perfume. These fatty acids are strong, and too much can spoil the scent.

1. Prep the Skin Surface

Start with clean, dry skin. Take a warm shower with an unscented, mild soap to wash away old skin oils and bacteria. Dry off, then wait ten minutes for your skin to cool.

Do not spray these chemicals over sweat. It makes them break down faster and changes the scent. For the full prep routine, see pheromone maxxing.

2. Choose the Right Application Points

Spray once or twice on the sides of your neck below the jaw or on your collarbones. Those warm spots work best.

If you spend the day at a computer, skip your wrists. Rubbing them across a desk or keyboard wears down the scent faster.

I like the collarbone area because body heat helps the scent rise. Your shirt also gives it some cover from rubbing and open air.

3. Respect the Dose

Wear too much copulin perfume and your nose may stop noticing it. Other people can still pick up a heavy, sour smell.

Start with one spray. Wait fifteen minutes for the deeper notes to settle on your skin before you add more. For more options, see my ranking of the best pheromone perfumes for women.

Ethical and Social Considerations

There is another question the TikTok clips rarely get into. Other people have not agreed to come into contact with bodily fluids.

People expect deodorant, cologne, and body wash in shared spaces. Raw intimate fluids on an office chair, subway pole, or gym gear are different. That creates a hygiene concern for whoever touches those surfaces.

People may also feel uneasy if they learn what they are smelling. A lab-made, skin-safe fragrance lets you explore scent attraction without crossing that line.

If you want to look beyond copulins, including at products made for men, see are pheromone colognes legit.

The Verdict on Vabbing

Vabbing starts with real chemistry. The DIY method is the problem.

Copulins are real chemicals made by the body. In lab tests, they have changed men’s hormone levels and how men see their own appeal.

But no study has shown that putting raw vaginal fluid on your skin attracts anyone in daily life.

Collecting that fluid with your fingers also brings risks. These include bacterial vaginosis, yeast infections, small tissue tears, and pelvic inflammatory disease.

Hormonal birth control holds back natural copulin production too. Many women start with very little of the scent the trend relies on.

A lab-made copulin perfume gives you the same active chemicals in a set dose, with clean carrier oils and no risk from collecting raw fluid.

If you want to see if copulins change your dating interactions or confidence, skip the bathroom-mirror test. Try a dose-controlled women’s pheromone perfume instead.

Frequently asked

What is vabbing and how does it work?

Vabbing is the practice of collecting one's own vaginal secretions and dabbing them onto pulse points like perfume. The goal is to use natural copulins, volatile fatty acids produced in vaginal fluid, to chemically draw in romantic partners. It became widely popular through viral social media videos in 2022.

Does vabbing actually work to attract men?

There is no clinical evidence showing that vabbing attracts men in everyday settings. A 2023 systematic review found zero empirical studies supporting the practice. While lab tests show pure copulins can cause subtle hormonal shifts in men, real-world success is largely driven by the placebo effect and the confidence boost of the wearer.

Is vabbing safe to practice?

Gynecologists warn against it. Inserting unwashed fingers into the vaginal canal can introduce harmful bacteria and cause tiny tissue tears. These issues raise your risk of developing bacterial vaginosis (BV), yeast infections, and even pelvic inflammatory disease (PID).

What does vabbing smell like?

Fresh vaginal fluid has a mildly sour, acidic scent similar to light vinegar due to its natural fatty acid content. On warm skin, however, resident bacteria rapidly oxidize these secretions. Within a few hours, the scent can turn rancid and unpleasant to people nearby.

Does vabbing work if you are on birth control?

Generally no. Copulin production peaks during natural ovulation. Hormonal contraceptives prevent ovulation and keep hormone levels flat throughout the month. As a result, women on hormonal birth control produce minimal copulin concentrations in their secretions.

Are bottled copulin perfumes better than vabbing?

Yes. Professionally bottled copulin perfumes use pure, lab-synthesized versions of the exact same fatty acids found in natural secretions. They provide a standardized dose, do not spoil rapidly on warm skin, and eliminate the health and infection risks of handling raw bodily fluids.