Kink Dictionary



Osmolagnia: The Arousal Caused by Bodily Odors

What is Osmolagnia?

Osmolagnia is a paraphilia in which a person becomes sexually aroused by the smell of bodily odors such as sweat, urine, feces, or menses. It is also known as osphresiolagnia or olfactophilia.

The Science Behind Osmolagnia

The sense of smell is closely linked to the limbic system, which is responsible for emotions and memory. This connection explains why certain smells can trigger strong emotional responses or memories. In the case of osmolagnia, the smell of bodily odors is associated with sexual arousal and pleasure.

Research has shown that certain chemicals in bodily odors, such as pheromones, can also play a role in sexual attraction and arousal. Pheromones are chemical signals that are released by the body and detected by the olfactory system of other individuals, often leading to sexual attraction and mating.

Types of Osmolagnia

There are several types of osmolagnia, each with its own specific odor preference:

  • Urolagnia: Arousal caused by the smell of urine
  • Coprophilia: Arousal caused by the smell of feces
  • Mysophilia: Arousal caused by the smell of dirty or soiled clothing
  • Mensesophilia: Arousal caused by the smell of menstrual blood
  • Salophilia: Arousal caused by the taste of salt or salty substances, such as sweat

Is Osmolagnia Safe and Consensual?

As with any kink or fetish, osmolagnia is only safe and consensual when all parties involved have given their informed consent. It is important to discuss boundaries, limits, and safe words before engaging in any sexual activity.

It is also important to practice good hygiene and safe sex practices to prevent the spread of sexually transmitted infections (STIs) and other health risks associated with bodily fluids.


Osmolagnia is a unique and often misunderstood kink that involves sexual arousal from bodily odors. While it may not be for everyone, it can be a safe and consensual way for individuals to explore their sexuality and desires.

As with any kink or fetish, communication, consent, and safety should always be a top priority.

© Kink Dictionary 2021

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