
Perfumes can smell different on different people due to body chemistry. A perfume that smells good on one person might not smell good on another. Additionally, perfumes can go bad over time, especially if they are not stored properly. Signs that a perfume has gone bad include a change in colour, a sour or musty smell, or a weaker scent. High-quality perfumes can last up to five years or more if properly cared for, while cheaper perfumes may need to be replaced sooner.
| Characteristics | Values |
|---|---|
| Scent | Faded, sour, musty, dusty, weak, sharp, different |
| Skin | Dry, stressed, diet, medication, age |
| Colour | Darker |
| Quantity | Need to apply more |
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What You'll Learn
- Body chemistry: A perfume can smell different on different people
- Expiry: Perfumes have a lifespan of 3-5 years, after which they may turn
- Colour: A change in colour, usually darker, is a sign of a perfume going bad
- Scent: A perfume may smell faded, sour, musty, or like rotten citrus fruits when it has turned
- Skin type: Dry skin can cause the scent to wear off more quickly

Body chemistry: A perfume can smell different on different people
Body chemistry plays a significant role in how a perfume smells on a person. The skin is made up of a unique combination of water, acids, fats, proteins, and sugars, which can subtly alter the scent of a perfume. For instance, if a perfume has musky base notes, a higher skin pH level can amplify these notes. Conversely, if a fragrance has citrusy top notes, the acids in the skin can make the scent dissipate faster.
Additionally, dry skin can affect how a perfume smells. Dry skin tends to absorb fragrances more, which can alter the scent. Well-moisturized skin, on the other hand, provides a better base for perfumes. Skin type also comes into play here; oily skin may react differently to certain scents, with sugary notes like vanilla taking centre stage and lighter citruses working in harmony.
Other factors that can influence body chemistry and, in turn, the scent of a perfume include stress, diet, medication, and age. For example, certain foods like garlic and alcohol can alter body odour as the liver cannot process them, and they are released into the bloodstream and eventually through sweat. Similarly, spicy foods and caffeine can increase sweating, and some foods can release sulfur-like compounds, all of which can impact how a perfume smells on a person.
Therefore, it is essential to understand your body chemistry and its unique pH level to select fragrances that complement your skin. Trial and error is often the best way to find the perfect perfume, and layering different perfumes can be an enjoyable way to blend various fragrances.
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Expiry: Perfumes have a lifespan of 3-5 years, after which they may turn
Perfumes have a lifespan of around 3–5 years, after which they may turn. However, this lifespan can vary depending on the quality of the ingredients, storage methods, and other factors.
Firstly, the scent of a perfume may change over time, becoming faded, sour, musty, or even rancid. Céline Barel, a perfumer at International Flavours & Fragrances (IFF), says, "Olfactively speaking, if you smell it, you'll know. It will smell old." Additionally, the perfume's colour may darken or change, becoming similar to old beer rather than a glass of champagne.
Proper storage is crucial to extending the lifespan of your perfume. It is recommended to store perfumes in a cool, dark, and dry place, away from direct light, heat, and humidity. Bathrooms may not be ideal due to temperature and humidity changes from showers or baths.
Some fragrances are more prone to oxidation, which can alter the molecules of the fragrance and affect its scent. Oxidation can come from the top notes, such as citrus or aromatics, or the dry-down of the fragrance.
While perfumes may not have a set expiration date and can last longer with proper care, it is important to be aware of the signs of deterioration to ensure you are enjoying your fragrances at their best.
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Colour: A change in colour, usually darker, is a sign of a perfume going bad
Colour is one of the first indicators of a perfume going bad. A change in colour, usually darker, signals that a perfume is turning. For instance, a perfume that was once a light champagne colour may now resemble old beer in shade.
The colour change is often accompanied by a change in scent. A perfume may smell faded, sour, musty, dusty, or like nail varnish. Céline Barel, a perfumer at International Flavors & Fragrances (IFF), sums it up by saying, "Olfactively speaking, if you smell it, you’ll know. It will smell old."
However, it's important to note that well-made fragrances may appear and smell a little funky at first but are still good to use. Luca Turin and Tania Sanchez, in their book Perfumes: The A-Z Guide, explain that old fragrances can darken and develop an off-putting scent, but this usually fades within minutes of applying to the skin.
The lifespan of a fragrance depends on the quality of ingredients and storage methods. Generally, fragrances remain potent for about three to five years, although high-end fragrances stored and used cautiously can last much longer.
Additionally, body chemistry plays a role in how a perfume smells on an individual. Factors such as stress, diet, medication, and age can affect how a scent interacts with the skin, causing it to smell different from the same perfume on someone else.
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Scent: A perfume may smell faded, sour, musty, or like rotten citrus fruits when it has turned
A perfume's scent is one of the most obvious ways to tell if it has gone bad. Perfumes may smell faded, sour, musty, or like rotten citrus fruits when they have turned. Céline Barel, a perfumer at International Flavors & Fragrances (IFF), sums it up nicely: "Olfactively speaking, if you smell it, you’ll know. It will smell old." Perfumes with citrus notes tend to turn faster, smelling like rotten lemons or oranges.
Perfumes with a high concentration of alcohol may evaporate over time, becoming much more concentrated and smelling sharper. The scent may also be affected by the quality of the perfume, the fragrance family, and how it is stored. For example, a perfume stored in a dark, cool, and dry place may last longer than one exposed to light and temperature changes.
Additionally, the potency of a perfume may lessen over time, and it may start to smell strange or weak. The scent may also develop hints of vinegar or other chemical notes. In some cases, the perfume may not smell bad but may lose its original scent.
It is important to note that well-made fragrances may appear or smell a little funky at first but are still good. Giving the perfume time to breathe before applying it can help improve the scent.
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Skin type: Dry skin can cause the scent to wear off more quickly
Skin type is an important factor in how a perfume will smell on you. Dry skin, for example, can cause the scent to wear off more quickly. This is because dry skin strips the perfume of its top notes immediately, causing the scent to fade faster. This can be remedied by applying perfume after a shower or after applying an unscented moisturiser, which will help to lock in the aroma for longer.
The unique composition of your skin, including its water, acid, fat, protein, and sugar content, can subtly alter the way a perfume smells on you. Additionally, factors such as stress, diet, medication, and age can also affect how a scent interacts with your skin. This is why the same perfume can smell different on different people, and even on the same person at different times.
When trying out a new perfume, it is recommended to test it on your skin, as the ultimate test is how it smells and wears on you. You will usually know after a few minutes if the scent suits your body chemistry. If the perfume smells good and lasts for hours, it is a good match for your skin. However, if it disappears within an hour or starts to smell sour, it may not be the right fit for you.
It is worth noting that the quality of the perfume also plays a role in how long it will last. Generally, fragrances can be expected to remain potent for about three to five years, depending on the quality of ingredients and storage methods. High-end fragrances, on the other hand, can last much longer if stored and used cautiously.
In summary, dry skin can impact the way a perfume smells and wears on you. By understanding how skin type and body chemistry interact with perfume, you can make more informed choices when selecting a fragrance that suits you.
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Frequently asked questions
The first thing you might notice is a change in colour—it may look darker. The scent may also be different, weaker, faded, sour, musty, or dusty. If you notice these changes, it's likely that your perfume has gone bad.
Depending on the quality and storage, most fragrances remain potent for about three to five years. However, high-end fragrances made with the best quality materials and stored cautiously can last much longer—even decades.
Body chemistry affects how a perfume smells on the skin. Your skin's unique composition of water, acids, fats, proteins, and sugars can subtly alter a perfume's scent. Additionally, stress, diet, medication, and age can influence how a scent interacts with your skin.
The ultimate test is to try the perfume on your skin. If you feel comfortable with the scent and it lasts for hours, it's a good match for you. Remember, the most important thing is that YOU like the way it smells on yourself.
If your perfume has gone bad or no longer suits your taste, it might be time to try something new. Explore different fragrances and sample them on your skin to find one that aligns with your preferences and body chemistry.










































