Old People Smell: What Causes It and How Can You Reduce It?
Yes, age-related body odor is real. No, it does not automatically mean someone is dirty. Understanding what causes it can help families address the problem without humiliating the person they are trying to help.
See the ProductsIs “Old People Smell” Actually Real?
It is. Many families notice a distinctive musty, stale, grassy, or oily scent around an aging parent or grandparent. The phrase may not be kind, but the change itself can have a biological explanation.
The odor many people associate with aging has been linked to a naturally occurring compound called 2-nonenal. It becomes more common as skin chemistry changes with age, often beginning after about age 40.
Regular soap may clean the skin without fully removing the oily compounds contributing to the odor. Persimmon soaps have become popular because persimmon contains tannins that may help neutralize odor compounds. However, scientific evidence comparing individual products is still limited.
Getting older does not mean someone has poor hygiene. Aging skin changes, and ordinary soap may not be enough to remove the resulting odor.
Skin oils change
The composition of the oils on our skin changes as we age.
Oils oxidize
Those oils can break down and create compounds with a noticeable scent.
Odor clings
The smell may remain in clothing, bedding, upholstery, carpets, and closets.
It Is Not Always a Bathing Problem
Assuming someone needs to clean themselves better can be both inaccurate and cruel. Several age-related and environmental issues may be involved.
Dry or fragile skin
Older skin is often thinner and drier. Harsh soap and excessive scrubbing may make the skin barrier worse rather than solving the odor.
Reduced mobility
Arthritis, weakness, back pain, and balance problems can make bathing, changing clothes, or reaching certain areas difficult.
Incontinence
Urinary leakage or bowel incontinence can create odors in underwear, bedding, recliners, mattresses, and flooring.
Medications and health conditions
Medications, diabetes, kidney disease, liver problems, skin infections, dental problems, and other health conditions may change body odor.
Sometimes the Smell Is Coming From the Room
A person may shower and put on clean clothes, only to sit in a chair or sleep on bedding that immediately transfers the odor back to them.
Check these common odor sources:
- Recliners and upholstered chairs
- Mattresses and mattress pads
- Pillows and pillow protectors
- Blankets, comforters, and throws
- Towels, pajamas, jackets, and sweaters
- Shoes and slippers
- Carpet, curtains, and closets
- Incontinence pads and protective underwear
Do not just add fragrance
Air freshener, perfume, and heavily scented laundry products may briefly cover the smell, but they do not remove the source.
Clean the person, the clothing, and the environment. Addressing only one of the three may not solve the problem.
Persimmon Soaps for Age-Related Body Odor
These products are included so families have a direct way to purchase the items discussed on this page. Results vary, and older skin may react differently to fragrance, alcohol, acids, and other ingredients.
Price checked July 2026. Prices, availability, ratings, shipping costs, and formulas may change. Purchase is completed on the retailer’s website.
Mirai Clinical Deodorizing Soap With Persimmon
$21.97 per bar
Mirai Clinical is one of the most established brands in this category. Its soap is specifically formulated and marketed for nonenal and persistent age-related body odor.
- Thousands of positive customer reviews
- Formulated specifically for nonenal odor
- Contains Japanese persimmon extract
- Designed for regular body cleansing
My take: This is the strongest starting choice when performance and an established reputation matter more than price.
Pelican Persimmon Tannin Soap
$6.54
A lower-priced Japanese persimmon-tannin soap for someone who wants to try this type of cleanser before spending more.
- Made in Japan
- Contains Japanese persimmon tannin
- Marketed for body and perspiration odor
My take: The sensible first purchase when you are not yet convinced persimmon soap will make a difference.
Mirai Clinical Sensitive-Skin Persimmon Soap
$21.97
A version made for people concerned about sensitive or easily dried skin while still targeting persistent body odor.
- Made for sensitive skin
- Contains Japanese persimmon extract
- Designed to cleanse without excessive dryness
My take: A better starting point for thin, dry, or easily irritated older skin.
Mirai Clinical Persimmon Body Wash
$24.97
A liquid alternative for someone who has difficulty holding a bar of soap or prefers a pump bottle, washcloth, or shower sponge.
- Liquid pump-bottle format
- Contains Japanese persimmon extract
- May be easier for caregivers to dispense
My take: The practical choice for reduced hand strength, arthritis, or caregiver-assisted bathing.
Sap Skin Persimmon Soap
$17.46
A persimmon soap marketed specifically for nonenal and odor that remains on skin, clothing, furniture, and inside the home.
- Contains persimmon tannins
- Intended for regular body washing
- Mid-range price
My take: A credible middle-priced alternative, although Mirai has a larger review history.
BoxCave Persimmon and Green Tea Soap
$15.99
A Japanese-made cleansing bar combining persimmon juice with green tea extract and sold through Walmart Marketplace.
- Made in Japan
- Contains persimmon and green tea extracts
- Sold by a third-party marketplace seller
My take: Reasonably priced, but confirm the seller, delivery date, and return policy before ordering.
Kaki no Sachi Medicated Persimmon Soap
$29.51
A Japanese medicated deodorant soap containing persimmon tannin, bentonite, an antibacterial ingredient, fragrance, and alcohol.
- Made in Japan
- Marketed for sweat and aging-related odor
- Includes a foaming net
- Contains alcohol and added fragrance
My take: Not my first choice for very dry or sensitive older skin because it contains alcohol and fragrance.
My Three Starting Choices
- Mirai Clinical Original: Best overall reputation and the strongest starting choice.
- Pelican Persimmon Tannin Soap: Best low-cost way to see whether persimmon soap helps.
- Mirai Clinical Body Wash: Best practical choice for arthritis, limited grip, or caregiver-assisted bathing.
Shopping disclosure: Product information is provided as a convenience and does not constitute medical advice or a guarantee of results. Product claims belong to the manufacturers and retailers.
Michelle Heberling does not currently receive compensation when you use these purchase links.
What Else Actually Helps?
The soap alone may not solve the problem. The best results usually come from treating the skin, clothing, bedding, and surrounding environment.
Wash the overlooked areas
Gently wash behind the ears, the neck, underarms, groin, skin folds, and feet. Use a fresh washcloth and towel.
Change clothing daily
Change shirts, undergarments, socks, and pajamas every day. Sweaters and jackets may also hold odor even when they do not look dirty.
Wash bedding regularly
Wash sheets, pillowcases, blankets, towels, and washable chair covers. Use mattress and pillow protectors that can be removed and cleaned.
Protect aging skin
Apply fragrance-free moisturizer after bathing. Healthy skin should not be scrubbed raw in an attempt to remove odor.
Address incontinence quickly
Replace protective underwear promptly and clean affected clothing, bedding, mattresses, flooring, and furniture.
Make bathing safer
Grab bars, a shower chair, a handheld showerhead, or caregiver assistance may solve the real problem when mobility has changed.
Simple Daily Odor-Control Routine
- Use a gentle persimmon soap or body wash once daily.
- Use a clean washcloth and towel.
- Put on clean clothing and undergarments.
- Apply fragrance-free moisturizer to dry skin.
- Keep bedding, chairs, and frequently worn clothing clean.
- Encourage fluids unless a healthcare professional has restricted them.
How Do You Talk to Someone About It?
This is where families often do the most damage. Do not walk into the room and announce that the person smells. That creates humiliation without solving the problem.
Try something practical instead:
Focus on comfort, safety, laundry, skincare, and assistance—not blame.
When a Change in Body Odor Needs Medical Attention
A gradual, mild change may be part of aging. Contact a healthcare professional when an odor appears suddenly, becomes dramatically stronger, or occurs with other symptoms.
- Fever, confusion, weakness, or sudden behavior changes
- Open wounds, skin breakdown, redness, drainage, or infection
- Unexplained weight loss or loss of appetite
- Fruity, ammonia-like, fishy, or unusually sweet odor
- Uncontrolled diabetes or known kidney or liver disease
- New urinary symptoms or a possible urinary tract infection
- A person can no longer bathe or change clothing safely
Do not assume every new odor is simply old age.
Frequently Asked Questions
At what age does age-related body odor begin?
Skin changes may begin in midlife, although a noticeable odor may not develop until much later. Health, medications, skincare, mobility, laundry habits, and the home environment all affect when it becomes noticeable.
Does everyone develop “old people smell”?
No. Aging does not produce the same odor in everyone. Genetics, skin chemistry, medical conditions, diet, medications, and environmental factors all play a role.
Can regular soap remove the smell?
Regular soap may remove sweat and surface dirt but may not fully remove oxidized skin oils or odor that has built up in fabrics and furniture. Harsh scrubbing is not the answer because it can damage aging skin.
Does persimmon soap really work?
Persimmon soap is widely marketed for age-related odor, and some users report improvement. Results vary, and research comparing individual products remains limited.
Could the smell be coming from incontinence?
Yes. Urine can remain in clothing, protective underwear, bedding, mattresses, carpeting, and furniture. Better continence products and thorough cleaning may be more useful than adding fragrance.
What if the person refuses help?
Start by identifying the barrier. The issue may be pain, fear of falling, embarrassment, memory loss, depression, or loss of independence. Focus on safety and comfort.
Aging Brings Changes Families Are Rarely Prepared For
Body odor may seem like a small issue, but it can be a sign that bathing, laundry, mobility, home safety, or medical needs are changing.
Explore Caregiving ResourcesEducational disclaimer: This page provides general educational information and is not medical advice. A sudden or significant change in body odor should be discussed with a qualified healthcare professional. Review product ingredients before use, especially for allergies, wounds, eczema, highly sensitive skin, or other medical conditions.