Should You Oil Pull Before or After Flossing?

Oil pulling should come before flossing. The traditional Ayurvedic protocol and the published literature that tests it both treat oil pulling as the first step in an oral hygiene routine, performed on an empty stomach in the morning before rinsing, brushing, or flossing.¹ The reasoning is mechanical as much as chemical, and the order matters more than most people assume. What follows is a breakdown of why the sequence works, what the evidence actually says about oil pulling’s effects, and a few safety considerations that rarely make it into the social-media conversation.

Why Oil Pulling Goes First

The logic behind performing oil pulling before any other hygiene step centers on what the oil is supposed to do: interact with the overnight biofilm coating your teeth and gums. When you sleep, bacterial populations in your mouth multiply and form a sticky film. Oil pulling aims to loosen and trap that film before you mechanically remove it with floss and a toothbrush. If you floss first, you disrupt the biofilm’s surface structure and scatter bacteria into the saliva, which changes what the oil encounters when you start swishing. You also introduce moisture into the interdental spaces, and moisture affects how oil behaves against tooth surfaces.

Research on floss friction supports the idea that surface conditions matter. A study measuring frictional coefficients of dental floss against enamel found that waxed floss generated more friction on dry surfaces than on wet ones.² That may seem like a minor detail, but it suggests that flossing after oil pulling, once you have rinsed and spat out the oil, gives the floss a relatively clean and controlled surface to work against. Meanwhile, the oil has already done its loosening work on the biofilm sitting between and around teeth. Flossing then scrapes away whatever the oil dislodged from the tight interdental spaces that swishing alone cannot fully reach.

Brushing slots in last. After the oil has loosened the biofilm and the floss has cleared the gaps between teeth, a toothbrush with fluoride toothpaste finishes the job and deposits the fluoride you actually need for remineralization. Fluoride works best when it sits on a relatively clean tooth surface without an oil layer in the way, which is another reason oil pulling belongs at the front of the sequence rather than after brushing.

How Oil Pulling Works Mechanically

The cleansing effect of oil pulling is not simply a matter of swishing fat around your mouth and hoping bacteria stick to it. An in vitro study investigating the mechanism found that vigorous swishing causes the oil to emulsify, meaning the fat globules break into much smaller droplets. That process alone can increase the total surface area of the oil by roughly a thousandfold.³ More surface area means more contact with the biofilm coating your teeth and gums.

Once emulsified, the oil interacts with enzymes in your saliva. Lingual lipase begins breaking the fat into free fatty acids and monoglycerides. Those free fatty acids can then react with alkali in saliva to form soap-like substances, a process called saponification.³ You are, in a very literal sense, generating a mild detergent in your mouth. That detergent action helps lift the biofilm from tooth surfaces in a way plain water or passive rinsing would not.

This is also why the traditional recommendation calls for swishing for 15 to 20 minutes.¹ A brief swish will not generate enough emulsification or enzyme activity for the soap-like compounds to form. The time commitment is one of the biggest practical barriers, and cutting it short undermines the mechanism that makes oil pulling potentially useful in the first place.

What Clinical Trials Actually Show

The evidence on oil pulling’s effectiveness is mixed in a specific way: it appears to help with gum inflammation more convincingly than it helps with plaque removal. A systematic review and meta-analysis pooling 25 trials with over a thousand participants found that oil pulling significantly improved gingival inflammation scores compared to non-chlorhexidine mouthwash alternatives. But chlorhexidine, the gold standard antimicrobial rinse, was still more effective at reducing plaque than oil pulling was.⁴

A separate meta-analysis looking specifically at plaque and gingival index scores found no significant difference between oil pulling groups and control groups for either measure.⁵ That sounds discouraging, but the picture is more nuanced than a simple thumbs-up or thumbs-down. Individual trials tell a somewhat more optimistic story, depending on the oil used and the comparison group.

A randomized crossover trial comparing coconut oil pulling to chlorhexidine rinse found that both had similar plaque inhibition, with the oil-pulling group showing comparable plaque and gingival index scores. The coconut oil group did have one clear advantage: less tooth staining than the chlorhexidine group.⁶ Similarly, a preliminary study on coconut oil pulling for plaque-related gingivitis found a statistically significant decrease in both plaque and gingival scores starting from day seven, with continued improvement over the study period.⁷

The takeaway is that oil pulling is not a replacement for standard care, but it can serve as a useful add-on. If you already brush and floss consistently, adding oil pulling before those steps may offer an incremental benefit for gum health. If you are thinking of oil pulling as a substitute for brushing or flossing, the evidence does not support that at all.

Coconut Oil Versus Sesame Oil

The two oils you will encounter most in oil-pulling discussions are sesame and coconut. Sesame oil is the traditional Ayurvedic choice, and it is the oil used in many of the earlier clinical studies. Coconut oil has become the popular favorite in recent years, partly because of its taste and partly because lauric acid, one of its main fatty acids, has well-documented antimicrobial properties.

The clinical trials comparing the two are still limited, but the coconut oil trials tend to show good results on gum inflammation and plaque, as noted in the crossover trial that matched chlorhexidine’s plaque inhibition with less staining.⁶ Coconut oil also solidifies below about 76°F (24°C), which means in cooler weather you may need to let it melt in your mouth before you can start swishing. Some people find this off-putting; others prefer it because the oil feels less greasy than liquid sesame oil from the start.

In terms of the emulsification mechanism, both oils undergo the same basic process when swished vigorously and exposed to salivary enzymes. The fatty acid profiles differ, which changes the antimicrobial specifics, but the soap-generating mechanism operates with either oil. If taste or texture is the thing stopping you from sticking with the practice, choosing whichever oil you find more tolerable is far more important than chasing a marginal difference in lauric acid content.

The 20-Minute Problem

The standard recommendation is about one tablespoon of oil, swished gently but continuously for 15 to 20 minutes.¹ That is a long time. Most people do not have a spare 20 minutes in their morning routine for a single oral hygiene step, and that is before you add flossing and brushing afterward.

Compliance is the elephant in the room with oil pulling research. Trials run for a few weeks under supervised conditions, but the real question is whether someone will keep this up as a daily habit. If you manage five to ten minutes rather than the full twenty, you will still get some emulsification, but the soap-like compounds that seem to drive the cleansing effect need time to form. Cutting the duration in half probably means cutting the benefit by more than half, since the enzymatic reactions are cumulative over those minutes.

A practical approach is to oil pull while doing something else: showering, making coffee, checking your phone. It does not require your hands or your attention, just your mouth. Spit the oil into a trash can rather than the sink, because solidified coconut oil can clog plumbing over time. Rinse your mouth with warm water, then floss, then brush with fluoride toothpaste. The entire sequence, oil pulling included, runs about 25 minutes, most of which is hands-free.

Safety Risks Worth Knowing About

Oil pulling is generally safe for most people, but there is one serious risk that gets almost no attention in popular wellness content: lipoid pneumonia. This is a rare lung condition caused by inhaling or aspirating oily substances into the airways. Case reports have documented it in patients who practiced oil pulling regularly with sesame oil. In one report, two patients who had been performing sesame oil pulling via nasal or oral rinsing for several months were diagnosed with exogenous lipoid pneumonia.⁸ A separate report described two women with a history of tongue cancer who developed persistent pneumonia traced back to oil pulling.⁹

The risk is highest for people who have difficulty controlling swallowing, including older adults, anyone with neurological conditions affecting the throat, and people who have had head or neck surgery. If you tend to gag or accidentally swallow liquids during rinsing, oil pulling may not be worth the risk. For most healthy adults who can comfortably hold and swish liquid for extended periods, the risk is very low, but it is real and it is not trivial. This is a 15-to-20 minute exercise with a mouthful of oil, not a quick rinse, so moments of inattention or an unexpected cough can send oil toward the lungs.

Effects on Dental Restorations

If you have fillings, crowns, or composite restorations, you might wonder whether oil pulling could damage them. The answer is somewhat complicated and depends on the material. A study testing coconut oil pulling on two types of resin composite found that after 30 days of simulated oil pulling, both composites showed clinically unacceptable color changes. The composites also differed in how their surface hardness responded, with one type showing more degradation than the other.¹⁰

However, a separate in vitro study found that coconut oil had a whitening effect on natural tooth structure and no harmful effect on restorative material, while olive oil actually darkened restorations.¹¹ These findings pull in different directions, and the studies tested different composite brands and different conditions. The research here is thin enough that it is hard to draw firm conclusions. If you have extensive composite work, especially on front teeth where color changes would be noticeable, mentioning oil pulling to your dentist at your next visit is a reasonable precaution. Natural tooth enamel seems to fare fine and may even look slightly whiter with coconut oil use.

What Oil Pulling Cannot Do

Social media and wellness blogs make claims about oil pulling that go well beyond what the evidence supports. You will see claims that it whitens teeth dramatically, detoxifies the body, cures headaches, clears skin, and improves systemic health conditions. The clinical research, as covered above, shows a modest effect on gum inflammation and a plaque-reduction effect that is at best comparable to chlorhexidine mouthwash, not superior to it. There is no credible evidence for systemic detoxification from swishing oil in your mouth. The oil does not enter your bloodstream, and the “toxins” it supposedly pulls out are just bacteria and food debris, the same things your toothbrush handles.

The strongest version of the case for oil pulling is narrower than most advocates admit: it can serve as a supplementary step that reduces bacterial load and gum inflammation when used alongside normal brushing and flossing. Think of it more like a mouthwash alternative than a standalone treatment. Meta-analyses show it performing in the same ballpark as non-chlorhexidine rinses for gum health, and roughly similar to chlorhexidine for short-term plaque control in some individual trials.⁴ That is a useful tool, not a miracle cure.

Chlorhexidine Staining and Why Some People Switch

One underappreciated reason people turn to oil pulling is to avoid the side effects of chlorhexidine mouthwash. Chlorhexidine is the most effective antimicrobial rinse available, and dentists frequently recommend it after gum surgery or during treatment for periodontal disease. But it has a well-known downside: brown staining of teeth, restorations, and the tongue that builds up with regular use. It can also alter taste perception.

The crossover trial comparing coconut oil to chlorhexidine found comparable plaque inhibition between the two, but the staining index was substantially lower in the oil-pulling group.⁶ For someone who has been prescribed chlorhexidine for short-term use and finds the staining intolerable, oil pulling could be worth discussing with their dentist as an alternative, especially for maintenance between professional cleanings. It would not be appropriate to swap it in during active treatment for severe gum disease, where chlorhexidine’s superior bacterial kill rate matters more than cosmetic staining.

Oil Pulling and Children

The traditional Ayurvedic texts describe oil pulling as an adult practice, and the standard dose is one tablespoon of oil. For children, the picture is less clear. Young children lack the motor control to swish liquid vigorously for 15 to 20 minutes without swallowing some of it, and accidental swallowing of oil, while unlikely to cause acute harm, defeats the purpose. The aspiration risk described in the lipoid pneumonia case reports is also more concerning in children, who are more prone to choking during prolonged oral activities.

Most dental professionals would not recommend oil pulling for children under the age of about 10 or 12, and even for adolescents, the time commitment makes it a hard sell. Teaching consistent brushing and flossing habits is a far better investment of effort for pediatric oral health than introducing a 20-minute swishing ritual that even many adults struggle to maintain.

The Sequence, Spelled Out

If you decide to incorporate oil pulling into your routine, the evidence-supported order looks like this:

Oil pull first: One tablespoon of coconut or sesame oil, swished for 15 to 20 minutes, ideally first thing in the morning before eating or drinking anything.
Spit and rinse: Spit the oil into a trash can, then rinse your mouth with warm water to clear residual oil.
Floss: With the biofilm loosened and the mouth rinsed, floss to clear debris from between teeth.
Brush last: Use fluoride toothpaste so the fluoride can sit on clean enamel surfaces without an oily barrier.

Skipping any one of the post-pulling steps reduces the value of the ones before it. Oil pulling loosens the biofilm, flossing clears the interdental spaces, and brushing delivers fluoride and removes whatever remains on the broad tooth surfaces. Each step sets up the next. If you only have time for two of the three conventional steps on a given morning, prioritize flossing and brushing over oil pulling. The evidence is unambiguous that mechanical cleaning with a brush and floss does more for your teeth than oil pulling alone.

1
Biomedical and Pharmacology Journal. The Ancient Practice of Oil Pulling: A Comprehensive Guide to Oral Health
2
PubMed Central. Frictional coefficient during flossing of teeth
3
Indian Journal of Dental Research. Mechanism of oil-pulling therapy – In vitro study
4
PubMed Central. The effect of oil pulling in comparison with chlorhexidine and other mouthwash interventions in promoting oral health: A systematic review and meta-analysis
5
PubMed Central. Effectiveness of Oil Pulling for Improving Oral Health: A Meta-Analysis
6
PubMed. Efficacy of oil pulling therapy with coconut oil on four-day supragingival plaque growth: A randomized crossover clinical trial
7
PubMed Central. Effect of coconut oil in plaque related gingivitis – A preliminary report
8
PubMed Central. Exogenous lipoid pneumonia caused by repeated sesame oil pulling: a report of two cases
9
PubMed. Exogenous lipoid pneumonia associated with oil pulling: Report of two cases
10
International Dental Journal. Coconut Oil Pulling on Resin Composite Coloration and Microhardness
11
Journal of Advanced Dental Research. Effects of Coconut and Olive Oil on Tooth and Restoration – in vitro Study- Myth(oil)ogy?