20/11/2025
๐๐จ๐ฉ๐ข๐๏ผ๐๐ฌ โ๐๐ ๐ข๐ง๐ ๐๐๐จ๐ซโ ๐๐๐๐ฅ๐ฅ๐ฒ ๐ฎ๐ง๐๐ฏ๐จ๐ข๐๐๐๐ฅ๐โ
๐๐ฑ๐๐ฅ๐ฎ๐ฌ๐ข๐ฏ๐ ๐๐ง๐ญ๐๐ซ๐ฏ๐ข๐๐ฐ ๐ฐ๐ข๐ญ๐ก ๐๐ซ. ๐๐ข๐ฆ ๐๐จ๐ง๐ ๐๐๐ฒ๐ง๐ ๐จ๐ง ๐๐๐โ๐ฌ โ๐๐ข๐ฏ๐ข๐ง๐ ๐๐๐ฅ๐ข๐ ๐ก๐ญโ
๐. ๐๐ก๐๐ญ ๐ข๐ฌ โ๐จ๐ฅ๐ ๐ฉ๐๐จ๐ฉ๐ฅ๐ ๐ฌ๐ฆ๐๐ฅ๐ฅโโ ๐๐ก๐๐ญ ๐ข๐ฌ ๐ข๐ญ๐ฌ ๐ฆ๐๐๐ข๐๐๐ฅ ๐ญ๐๐ซ๐ฆโ (๐๐ก๐ โ๐-๐ง๐จ๐ง๐๐ง๐๐ฅโ ๐ฉ๐ซ๐จ๐๐ฎ๐๐๐ ๐๐ฒ ๐ญ๐ก๐ ๐จ๐ฑ๐ข๐๐๐ญ๐ข๐จ๐ง ๐จ๐ ๐ฌ๐ค๐ข๐ง ๐ฌ๐๐๐ซ๐๐ญ๐ข๐จ๐ง๐ฌ)
"Old people smell" is also known as "aging odor" or "age-related body odor." It is a natural physiological phenomenon, primarily caused by a chemical substance called 2-nonenal. This compound is produced when skin secretions oxidize with age.
๐. ๐๐๐ง ๐๐ฅ๐๐๐ซ๐ฅ๐ฒ ๐ฉ๐๐จ๐ฉ๐ฅ๐ ๐ฌ๐ฆ๐๐ฅ๐ฅ ๐ญ๐ก๐ข๐ฌ ๐จ๐๐จ๐ซ ๐ญ๐ก๐๐ฆ๐ฌ๐๐ฅ๐ฏ๐๐ฌโ
Generally, elderly individuals have difficulty smelling this odor themselves. This is primarily due to โolfactory adaptationโ, where the brain automatically filters out constant, long-term smells. Additionally, some older adults may experience a natural decline in their sense of smell (anosmia) with age. Therefore, they often need to be made aware of it by others.
๐. ๐๐ก๐๐ญ ๐๐ซ๐ ๐ญ๐ก๐ ๐ฉ๐จ๐ฌ๐ฌ๐ข๐๐ฅ๐ ๐ซ๐๐๐ฌ๐จ๐ง๐ฌ ๐๐จ๐ซ ๐ญ๐ก๐ ๐๐จ๐๐ฒ ๐๐ฆ๐ข๐ญ๐ญ๐ข๐ง๐ โ๐จ๐ฅ๐ ๐ฉ๐๐จ๐ฉ๐ฅ๐ ๐ฌ๐ฆ๐๐ฅ๐ฅโโ
The causes can be summarized into two main categories:
โข ๐๐ก๐ฒ๐ฌ๐ข๐จ๐ฅ๐จ๐ ๐ข๐๐๐ฅ ๐๐ก๐๐ง๐ ๐๐ฌ: This is the primary cause of "old people smell." As people age, their metabolism slows down, and the composition of fatty acids secreted by their sebaceous glandโs changes. These less stable skin oils are more easily oxidized, producing compounds with a distinct odor.
โข ๐๐๐ญ๐ก๐จ๐ฅ๐จ๐ ๐ข๐๐๐ฅ ๐
๐๐๐ญ๐จ๐ซ๐ฌ: Certain illnesses can cause specific body odors. When present, these odors can mix with the general "aging odor," making the overall scent more noticeable.
๐. ๐๐จ๐ฐ ๐๐จ ๐ฌ๐๐๐ฎ๐ฆ ๐๐จ๐ฆ๐ฉ๐จ๐ฌ๐ข๐ญ๐ข๐จ๐ง ๐๐ง๐ ๐๐ง๐ญ๐ข๐จ๐ฑ๐ข๐๐๐ง๐ญ ๐๐๐ฉ๐๐๐ข๐ญ๐ฒ ๐๐ก๐๐ง๐ ๐ ๐ฐ๐ข๐ญ๐ก ๐๐ ๐โ
With age, the proportion of unsaturated fatty acids in sebum increases. At the same time, the body's antioxidant capacity decreases. The combination of these two factors: more easily oxidized skin oils and a reduced ability to prevent that oxidation, makes the production of oxidative odors much more likely.
๐. ๐๐๐ง โ๐จ๐ฅ๐ ๐ฉ๐๐จ๐ฉ๐ฅ๐ ๐ฌ๐ฆ๐๐ฅ๐ฅโ ๐๐ ๐ ๐ฌ๐ข๐ ๐ง ๐จ๐ ๐๐๐ซ๐ญ๐๐ข๐ง ๐๐ข๐ฌ๐๐๐ฌ๐๐ฌโ
โOld people smellโ itself is not a disease. However, if the body odor suddenly becomes strong, pungent, or has a specific, unusual scent, it should be taken as a warning sign and may indicate an underlying health issue. Particular attention should be paid to the following:
๐. ๐๐จ๐ญ๐ญ๐๐ง ๐๐ฉ๐ฉ๐ฅ๐ ๐๐ฆ๐๐ฅ๐ฅ: This can be a sign of diabetes, particularly diabetic ketoacidosis.
๐. ๐๐ง ๐๐ฆ๐ฆ๐จ๐ง๐ข๐-๐ฅ๐ข๐ค๐ ๐จ๐ซ ๐๐ซ๐ข๐ง๐จ๐ฎ๐ฌ ๐๐ฆ๐๐ฅ๐ฅ: This can indicate Kidney problems, as the kidneys may be struggling to filter waste products from the blood.
๐. ๐ ๐๐ฎ๐ฌ๐ญ๐ฒ ๐จ๐ซ ๐๐จ๐ญ๐ญ๐๐ง ๐๐ ๐ / ๐๐ฎ๐ฅ๐๐ฎ๐ซ ๐๐ฆ๐๐ฅ๐ฅ: This can be associated with liver disease, as the liver fails to metabolize sulfur-containing compounds.
๐. ๐ ๐
๐จ๐ฎ๐ฅ, ๐๐ฎ๐ญ๐ซ๐ข๐, ๐จ๐ซ ๐๐จ๐ญ๐ญ๐ข๐ง๐ ๐๐ฆ๐๐ฅ๐ฅ: This is often linked to severe Periodontal Disease (gingivitis/periodontitis) or infected skin wounds.
๐. ๐๐ก๐ข๐๐ก ๐ฉ๐๐ซ๐ญ๐ฌ ๐จ๐ ๐ญ๐ก๐ ๐๐จ๐๐ฒ ๐๐ซ๐ ๐ฆ๐จ๐ฌ๐ญ ๐ฅ๐ข๐ค๐๐ฅ๐ฒ ๐ญ๐จ ๐ฉ๐ซ๐จ๐๐ฎ๐๐ โ๐จ๐ฅ๐ ๐ฉ๐๐จ๐ฉ๐ฅ๐ ๐ฌ๐ฆ๐๐ฅ๐ฅโโ
The odor is most concentrated in areas that are rich in sebaceous (oil) glands and prone to sweating. These can be summarized as the "four key areas":
โข Scalp
โข Chest and Back
โข Neck and Behind the Ears
โข Armpits
๐. ๐๐ก๐ข๐๐ก ๐ฅ๐ข๐๐๐ฌ๐ญ๐ฒ๐ฅ๐ ๐๐๐๐ญ๐จ๐ซ๐ฌ ๐๐๐ง ๐๐๐๐๐๐ญ ๐ญ๐ก๐ ๐ข๐ง๐ญ๐๐ง๐ฌ๐ข๐ญ๐ฒ ๐จ๐ ๐ญ๐ก๐ ๐จ๐๐จ๐ซโ
Several lifestyle factors can increase the body's oxidative stress, which in turn can make the odor more pronounced. These include:
โข ๐ ๐๐ข๐๐ญ ๐ก๐ข๐ ๐ก ๐ข๐ง ๐๐ซ๐ข๐๐ ๐๐จ๐จ๐๐ฌ
โข ๐๐ญ๐ซ๐๐ฌ๐ฌ
โข ๐๐๐๐ค ๐จ๐ ๐ฌ๐ฅ๐๐๐ฉ
โข ๐๐ฆ๐จ๐ค๐ข๐ง๐
โข ๐๐ซ๐ข๐ง๐ค๐ข๐ง๐ ๐๐ฅ๐๐จ๐ก๐จ๐ฅ
๐๐๐ญ๐ก๐จ๐๐ฌ ๐ญ๐จ ๐๐๐ฅ๐ฉ ๐๐๐๐ฎ๐๐ โ๐๐ ๐ข๐ง๐ ๐๐๐จ๐ซโ ๐ข๐ง ๐ญ๐ก๐ ๐๐ฅ๐๐๐ซ๐ฅ๐ฒ
๐. ๐๐ก๐ข๐๐ก ๐๐จ๐๐ฒ ๐ฉ๐๐ซ๐ญ๐ฌ ๐ฌ๐ก๐จ๐ฎ๐ฅ๐ ๐๐ ๐๐จ๐๐ฎ๐ฌ๐๐ ๐จ๐ง ๐๐ฎ๐ซ๐ข๐ง๐ ๐๐๐ญ๐ก๐ข๐ง๐ โ
Focus on washing areas that are rich in sebaceous (oil) glands. Key areas include the chest, back, neck, armpits, and scalp. It is important to use a gentle, pH-balanced soap or body wash and to rinse thoroughly to ensure no soap residue remains.
๐. ๐๐จ๐ฐ ๐ญ๐จ ๐๐๐ซ๐ ๐๐จ๐ซ ๐๐ฅ๐จ๐ญ๐ก๐ข๐ง๐ ๐๐ง๐ ๐ก๐จ๐ฎ๐ฌ๐๐ก๐จ๐ฅ๐ ๐ข๐ญ๐๐ฆ๐ฌ (๐๐ฅ๐จ๐ญ๐ก๐๐ฌ, ๐ญ๐จ๐ฐ๐๐ฅ๐ฌ, ๐ฉ๐ข๐ฅ๐ฅ๐จ๐ฐ๐๐๐ฌ๐๐ฌ, ๐๐ญ๐.)โ
โข ๐๐ก๐จ๐จ๐ฌ๐ ๐๐ซ๐๐๐ญ๐ก๐๐๐ฅ๐ ๐
๐๐๐ซ๐ข๐๐ฌ: Opt for clothing and bedding made from natural, breathable materials like cotton or linen, which help reduce odor buildup.
โข ๐
๐ซ๐๐ช๐ฎ๐๐ง๐ญ ๐๐๐ฌ๐ก๐ข๐ง๐ : Personal items like towels, pillowcases, and bedsheets should be washed 1to 2 times per week.
โข ๐๐ข๐ ๐ก-๐๐๐ฆ๐ฉ๐๐ซ๐๐ญ๐ฎ๐ซ๐ ๐๐ข๐ฌ๐ข๐ง๐๐๐๐ญ๐ข๐จ๐ง ๐๐ง๐ ๐๐ฎ๐ง-๐๐ซ๐ฒ๐ข๐ง๐ :
o When possible, wash items in hot water (at least 60ยฐC / 140ยฐF) to kill odor-causing bacteria.
o After washing, air-dry them in direct sunlight whenever possible, as the sun's UV rays have a natural sanitizing and deodorizing effect.
โข ๐๐๐๐ฉ ๐๐ญ๐๐ฆ๐ฌ ๐๐ซ๐ฒ: Ensure that bath towels and washcloths are hung up to dry completely immediately after use. Damp, bunched-up towels are a breeding ground for bacteria and mildew, which can worsen body odor.
๐. ๐๐ก๐ข๐๐ก ๐ญ๐ฒ๐ฉ๐๐ฌ ๐จ๐ ๐๐๐๐ซ๐ข๐ ๐๐ซ๐ ๐ฆ๐จ๐ซ๐ ๐ฅ๐ข๐ค๐๐ฅ๐ฒ ๐ญ๐จ ๐ซ๐๐ญ๐๐ข๐ง ๐จ๐๐จ๐ซ๐ฌโ
Fabrics that are non-breathable and synthetic, such as nylon and polyester, are particularly prone to trapping and retaining odors.
๐. ๐๐จ๐ฐ ๐๐๐ง ๐๐ข๐๐ญ ๐ก๐๐ฅ๐ฉ ๐ซ๐๐๐ฎ๐๐ โ๐๐ ๐ข๐ง๐ ๐จ๐๐จ๐ซโโ ๐๐ก๐๐ญ ๐๐จ๐จ๐๐ฌ ๐๐ซ๐ ๐ซ๐๐๐จ๐ฆ๐ฆ๐๐ง๐๐๐โ
Focus on "Antioxidants" to help combat the oxidation of skin oils.
โข ๐
๐จ๐จ๐๐ฌ ๐ญ๐จ ๐๐๐ญ: Increase your intake of antioxidant-rich foods. Excellent choices include:
o Dark leafy greens
o Berries
o Green tea
o Tomatoes
o Nuts
โข ๐
๐จ๐จ๐๐ฌ ๐ญ๐จ ๐๐๐๐ฎ๐๐: Cut down on greasy, fatty, and fried foods, as they can increase the amount of oil available for oxidation on your skin.
๐. ๐๐จ๐ญ ๐๐ซ๐ข๐ง๐ค๐ข๐ง๐ ๐๐ง๐จ๐ฎ๐ ๐ก ๐ฐ๐๐ญ๐๐ซ ๐๐๐ง ๐๐๐๐๐๐ญ ๐๐จ๐๐ฒ ๐จ๐๐จ๐ซโ
Yes. ๐๐๐ก๐ฒ๐๐ซ๐๐ญ๐ข๐จ๐ง can lead to abnormal sebum (oil) production and a slowdown in the skin's natural shedding process (keratinocyte metabolism). This causes oxidized sebum (like 2-Nonenal) to build up more easily on the skin's surface, intensifying the odor.
๐. ๐๐๐ง ๐ฎ๐ฌ๐ข๐ง๐ ๐ฌ๐๐๐ง๐ญ๐๐ ๐๐จ๐๐ฒ ๐ฐ๐๐ฌ๐ก ๐จ๐ซ ๐ฅ๐จ๐ญ๐ข๐จ๐ง ๐ฆ๐๐ฌ๐ค โ๐๐ ๐ข๐ง๐ ๐จ๐๐จ๐ซโโ
This is only a ๐ญ๐๐ฆ๐ฉ๐จ๐ซ๐๐ซ๐ฒ ๐๐จ๐ฏ๐๐ซ-๐ฎ๐ฉ, ๐ง๐จ๐ญ ๐ ๐ฌ๐จ๐ฅ๐ฎ๐ญ๐ข๐จ๐ง. The underlying problem remains. Furthermore, fragranced products can ๐ข๐ซ๐ซ๐ข๐ญ๐๐ญ๐ ๐๐ ๐ข๐ง๐ ๐ฌ๐ค๐ข๐ง and potentially trigger ๐๐จ๐ง๐ญ๐๐๐ญ ๐๐๐ซ๐ฆ๐๐ญ๐ข๐ญ๐ข๐ฌ, leading to issues like redness, itching, dryness, flaking, and even cracking.
๐. ๐๐ก๐๐ญ ๐ญ๐ฒ๐ฉ๐๐ฌ ๐จ๐ ๐๐จ๐๐ฒ ๐ฐ๐๐ฌ๐ก ๐๐๐ง ๐ก๐๐ฅ๐ฉ ๐ซ๐๐๐ฎ๐๐ ๐จ๐ข๐ฅ ๐จ๐ฑ๐ข๐๐๐ญ๐ข๐จ๐งโ ๐๐ก๐๐ญ ๐ข๐ง๐ ๐ซ๐๐๐ข๐๐ง๐ญ๐ฌ ๐ฌ๐ก๐จ๐ฎ๐ฅ๐ ๐ ๐ฅ๐จ๐จ๐ค ๐๐จ๐ซโ
Look for cleansers with specific active ingredients that manage skin oils and oxidation.
โข ๐๐ง๐ ๐ซ๐๐๐ข๐๐ง๐ญ๐ฌ ๐ญ๐ก๐๐ญ ๐ฉ๐ซ๐จ๐ฆ๐จ๐ญ๐ ๐ฌ๐ค๐ข๐ง ๐ซ๐๐ง๐๐ฐ๐๐ฅ:
o AHAs (Alpha Hydroxy Acids like Glycolic Acid) or Salicylic Acid. These help by gently exfoliating the skin's surface, removing the layer where oxidized oils accumulate.
โข ๐๐ง๐ญ๐ข๐จ๐ฑ๐ข๐๐๐ง๐ญ ๐ข๐ง๐ ๐ซ๐๐๐ข๐๐ง๐ญ๐ฌ:
o Vitamin C (Ascorbic Acid), Vitamin E (Tocopherol), or Green Tea Extract. These ingredients help neutralize free radicals on the skin, preventing the oxidation of oils in the first place.
โข ๐๐๐ง๐๐ซ๐๐ฅ ๐๐ซ๐จ๐๐ฎ๐๐ญ ๐๐ฎ๐ข๐๐๐ฅ๐ข๐ง๐๐ฌ:
o Choose slightly acidic (pH-balanced around 5.5) cleansers that respect the skin's natural barrier.
o Avoid products that are too harsh, have high alcohol content, or contain strong fragrances, as they can strip and irritate the skin.
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