The Slippery Truth: Is Saliva a Safe Lubricant?

Simran Vohra
Think Dirty
Published in
4 min readMay 13, 2024

We’re steering the conversation away from the traditional topics of contraception and testing. Instead, we’re highlighting an aspect of intimate health that often falls under the radar: the practice of using saliva as a lubricant during sex.

In the spirit of developing a deeper understanding of our anatomy and processes, we delve into the implications of this common but rarely discussed phenomenon. We aim to shed light on the potential impact of salivary pH on vaginal health and circumstances in which it may be best to avoid using saliva as a lubricant.

The Science Behind Saliva as Lube

Given its natural and readily available nature, saliva is often used as a lubricant during intimate moments. However, the science behind its effectiveness and safety as a lubricant is worth exploring.

Saliva, a fluid produced by the salivary glands in the mouth, has been used as a lubricant during sexual activities due to its natural lubricating properties. These properties are primarily attributed to its water and mucus content. The mucus in saliva gives it a viscous nature, which can help reduce friction and enhance comfort during sexual activities. The water content in saliva also contributes to its lubricating properties, making it a readily available and convenient option for many.

Saliva has a pH between 6.2 and 7.6, from slightly acidic to neutral. Now, contrast this with the environment of a healthy vagina, which maintains a pH level between 3.8 and 4.2, decidedly on the acidic side. This acidity is a fortress, warding off harmful bacteria and preserving a harmonious balance of beneficial ones.

When saliva, with its higher pH, enters this realm, it can disrupt this delicate equilibrium. This disruption can open the door to infections or discomfort. So, while saliva may be a convenient lubricant, it’s worth considering its potential impact on our body’s finely tuned systems. It’s a reminder that even nature’s solutions, as readily available as they may be, come with their complexities.

When to Avoid Saliva as Lube

While saliva can function as a convenient lubricant, there are situations when its use should be avoided. They include:

● If either partner has an active oral infection, cold sore, or is feeling unwell, it’s best to refrain from using saliva as a lubricant to prevent the spread of infection.

● If either partner has a sexually transmitted infection (STI), using saliva can increase the risk of transmission.

● If either partner is a smoker: Smoking can alter the composition of saliva, potentially making it much less powerful as a lubricant and much more likely to cause infection.

● If either partner has consumed alcohol: Alcohol can dehydrate the body, which includes the saliva. Dehydrated saliva might not provide adequate lubrication, leading to discomfort during sex.

The Pros and Cons of Using Saliva as a Lubricant

The pros and cons of using saliva as a lubricant include:

Pros

● Saliva is a natural substance produced by the body.

● It is free and always available, making it a convenient choice for lubrication.

Cons

● Saliva dries out quickly and may not provide the same level of lubrication as commercial products.

● There is a potential for infection and pH disruption when using saliva as a lubricant.

● Saliva contains enzymes designed to break down food, which can irritate sensitive genital tissues.

The Hidden Dangers in Commercial Lubricants

During sex, the choice of lubricant can substantially influence the experience. Commercial lubricants offer a wide range of options to cater to various preferences. In any case, it’s critical to know about the potential dangers that might accompany their use.

Toxic Ingredients in Commercial Lubricants

Many commercial lubricants contain ingredients that can be harmful to the body. These can include:

● Lubricants that contain parabens

● Lubricants that contain siloxane

● Lubricants that contain flavours and fragrances that can cause irritation or allergic reactions.

● Lubricants that contain cyclomethicone

Making Informed Choices: The Think Dirty App

To assist in making informed choices about lubricants, we recommend using the Think Dirty App. This app is designed to help you identify and select products that are free of harmful toxins. By using the Think Dirty App, you’re not just choosing a product; you’re choosing health, safety, and peace of mind. You’re choosing to be informed, to be conscious, and to take control of what goes on and in your body.

Disclosure: We are a professional review and product rating website and mobile app that receives compensation from the companies whose products we review and rate. We are independently owned and the opinions expressed here are our own interpretations of a trusted source.

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