The Hidden Health Risks of Kissing a Deceased Person on the Lips – And Safer Ways to Say Goodbye

Throughout history, many cultures have developed rituals for saying farewell to loved ones who have passed away.

These customs range from elaborate funeral ceremonies to quiet, private moments of reflection.

Among these gestures, one of the most intimate is the act of kissing the deceased — a symbolic and deeply personal way to express love, grief, and respect.

However, while the emotional intention is meaningful, certain types of physical contact carry potential health risks.

One particular act — kissing the deceased on the lips — has been identified by health professionals as significantly more risky than touching or kissing other parts of the body, such as the forehead or hands.

This is not to say that every such act will result in illness, but understanding the possible dangers can help grieving individuals make safer, informed choices while still honoring their loved one.

Why the Lips Pose a Higher Risk

The primary reason kissing a deceased person on the lips is considered higher-risk lies in the nature of the mouth itself. Even in the living, the mouth is a hub for a wide variety of bacteria and, in some cases, viruses. These organisms thrive in moist environments and can remain viable for some time after death.

After a person passes away, their immune system no longer functions to suppress or neutralize these microorganisms. This means certain pathogens present before death may remain active — at least for a limited period — in the oral cavity. Some examples of transmissible agents include:

Respiratory illnesses such as tuberculosis.
Viral infections like hepatitis B, hepatitis C, herpes simplex, or even COVID-19.
Bacterial infections that can be present in saliva, mucus, or trace amounts of blood.

While transmission risk depends on various factors — including the health of the living person, presence of any open cuts or sores, and the time elapsed since death — experts generally agree that the oral cavity remains one of the most biologically active parts of the body shortly after passing.

What Happens to the Body After Death

Understanding the biological changes that occur after death helps explain why direct contact with certain areas may be riskier. When a person dies:

Muscle relaxation occurs – This includes the muscles around the mouth and throat, which may cause small amounts of bodily fluids to leak. These fluids can contain microorganisms from the respiratory tract or gastrointestinal system.
The immune system stops working – Any pathogens that were present in the body are no longer being actively fought, which means they may survive temporarily without resistance.
Decomposition begins – In warm or humid conditions, bacteria naturally present in the body start breaking down tissues. In the mouth, anaerobic bacteria multiply quickly, sometimes producing unpleasant odors and gases as a byproduct.
Chemical treatments may be applied – If the body has been embalmed, chemicals such as formaldehyde are used to preserve it. While these chemicals slow decomposition, they can cause skin irritation or chemical burns upon contact, particularly with sensitive tissues like those on the lips.

These natural processes are part of what makes certain types of close physical contact — particularly lip-to-lip contact — more likely to expose a mourner to biological or chemical risks.

Why Kissing the Forehead or Hands Is Safer

Compared to the lips, areas like the forehead and hands tend to be less biologically active after death. These parts of the body:

Are usually drier and less hospitable to bacteria and viruses.
Are further from the respiratory and gastrointestinal tracts where many pathogens originate.
Are less likely to have retained bodily fluids after passing.

While no form of physical contact with a deceased person is entirely risk-free, kissing or touching these areas generally poses a lower risk of disease transmission.

Additionally, cultural and religious traditions often emphasize gestures that avoid direct contact with mucous membranes. In many societies, touching the forehead, placing a hand on the shoulder, or holding the person’s hand is considered a dignified and meaningful way to say goodbye.

Chemical Safety Concerns in Embalmed Bodies

In many countries, embalming is a common practice, especially when there will be a viewing or an open-casket ceremony. Embalming fluid contains chemicals like formaldehyde, methanol, and other preservatives. While these substances slow down decomposition and help maintain a natural appearance, they can cause health concerns:

Skin irritation – Direct contact with embalming chemicals can irritate sensitive skin, particularly around the mouth and lips.
Allergic reactions – Some individuals may develop rashes or respiratory discomfort from exposure to formaldehyde vapors.
Chemical burns – Although rare, prolonged contact with embalming chemicals on moist tissues can result in mild chemical burns.

These risks add another layer of caution when considering close facial contact with an embalmed body.

Cultural Traditions and Farewell Gestures

Around the world, mourning customs vary widely, but many have developed ways to show affection without exposing mourners to unnecessary health hazards.

In Japan, mourners often bow or place their hands together in prayer near the deceased, avoiding direct physical contact.
In parts of Europe, it is common to place a kiss on the forehead or hands, symbolizing peace and farewell.
In West African traditions, singing, drumming, and storytelling are key elements of honoring the dead, often without direct facial contact.
In Latin American cultures, family members may place flowers or small personal items with the deceased as a final gift of love.

These practices reflect deep respect while reducing potential exposure to biological or chemical hazards.

Safer Alternatives for Expressing Goodbye

If you wish to honor a loved one while minimizing health risks, consider these alternatives to kissing on the lips:

Kiss the forehead or cheek – These areas are generally safer than the lips.
Hold their hand – This simple gesture offers a deep sense of connection.
Touch their hair – Stroking or brushing the hair can be a soothing and symbolic act.
Place a flower or keepsake nearby – This creates a visual tribute without physical risk.
Speak softly to them – Many find comfort in saying personal goodbyes aloud.
Sit quietly in their presence – Simply being there can be as powerful as any physical gesture.

When to Seek Professional Guidance

If you are unsure about the safety of certain funeral or mourning practices, funeral directors and health professionals can provide guidance. Funeral homes are trained to prepare the body in a way that reduces risks to visitors, but they can also explain what types of contact are safest.

In cases where the deceased had a contagious illness at the time of death, additional precautions may be recommended — including limiting direct contact altogether.

Balancing Emotional Needs and Safety

Grief often comes with a strong desire for physical closeness, even when the person has passed away. This is a natural human response, rooted in love and the need for closure. While safety is important, finding ways to meet emotional needs should not be overlooked.

By choosing gestures that are both meaningful and safe, mourners can honor their loved one’s memory without exposing themselves or others to unnecessary health risks.

Final Thoughts

Kissing a deceased person on the lips is a deeply personal act that some may feel compelled to do in moments of grief. However, medical experts and funeral professionals caution against it because of the increased likelihood of exposure to bacteria, viruses, and chemical substances — risks that are significantly lower when kissing the forehead, holding the hands, or choosing non-contact gestures.

Ultimately, saying goodbye is about expressing love, respect, and remembrance. Whether through words, a gentle touch, or a symbolic offering, there are many ways to honor a life while ensuring that the living remain safe and healthy.