
Salicylic acid is a keratolytic agent used to treat various skin disorders, including acne, dandruff, psoriasis, and warts. It is available in different forms, such as gels and pads, and can be purchased over the counter or with a prescription, depending on the strength and dosage. When using salicylic acid, it is important to follow the instructions and avoid applying it to large areas of the body, especially in children, as it can cause skin irritation. While salicylic acid is generally safe and does not react with most plastics, it is recommended to store it in its original container and consult a doctor or pharmacist for specific storage instructions.
| Characteristics | Values |
|---|---|
| Reaction with plastic | Salicylic acid does not react with plastics such as PET, PBT, PE, PVC, and polypropylene. |
| Reaction with metal | Salicylic acid may tarnish silver and react with iron/non-stainless steel if left for a long period. |
| Usage | Salicylic acid is used to treat skin disorders such as acne, dandruff, psoriasis, and warts. |
| Side effects | Skin irritation, especially in young children and the elderly. |
| Precautions | Avoid using on large areas of the body, for extended periods, or under occlusive dressing (airtight covering) in children. |
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What You'll Learn

Salicylic acid is unlikely to react with plastic
Salicylic acid is a keratolytic agent used to treat skin disorders such as acne, dandruff, psoriasis, seborrheic dermatitis, calluses, corns, and warts. It is available over the counter in various forms, including gels and wart removers, and can also be prescribed by doctors. While it is a useful treatment for many skin conditions, it should be used with caution, especially around children, diabetics, and those with poor blood circulation.
Salicylic acid is a weak acid that is unlikely to react with plastic. It does not react with polypropylene or other plastics such as polyester (PET, PBT), PE, and PVC. However, it's important to note that some plasticizers in plastic bottles may interact with salicylic acid, although this is generally unlikely due to the low concentration of the acid.
When using salicylic acid, it is recommended to follow the instructions provided by your doctor or the product label. It is typically applied topically and should only be used as directed, avoiding excessive use or application to large areas of the body. It is important to avoid contact with the eyes, nose, mouth, and irritated or infected skin.
While salicylic acid is generally safe for use on the skin, it can cause skin irritation, especially in young children. It is not recommended for use on warts with hair growth, on the face, or on genital organs, inside the nose or mouth, or on moles and birthmarks, as it may cause severe irritation.
In summary, salicylic acid is a beneficial treatment for various skin conditions, but it should be used with caution and according to instructions. Its weak acidic nature makes it unlikely to react with most plastics, including common types such as PET and polypropylene. However, it is always advisable to store medicines in their original containers and consult a pharmacist or healthcare provider for specific storage instructions.
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It is used to treat skin conditions like acne and warts
Salicylic acid is a medicated topical gel, cream, lotion, or solution used to treat skin conditions like acne and warts. It is also used to treat other skin conditions such as psoriasis, dandruff, calluses, corns, and skin blemishes. Salicylic acid works by decreasing inflammation and promoting skin cell turnover, which prevents clogged pores and loosens dry, scaly skin. It is available in various forms, including cloths, creams, liquids, gels, ointments, shampoos, wipes, pads, and patches, and can be purchased over the counter or with a prescription, depending on its strength and intended use.
When using salicylic acid to treat acne, it is important to follow the instructions provided with the medication. Before applying the product, it is recommended to apply wet packs to the affected areas for at least five minutes. The gel can then be gently rubbed into the affected areas, and it should not be rinsed off afterward. It is important to note that salicylic acid should not be used on irritated, reddened, or infected skin, and it should not be used on warts with hair growing from them, on the face, or on genital warts. Additionally, it should not be ingested or allowed to come into contact with the eyes, nose, or mouth, as it can cause irritation.
Salicylic acid is generally considered safe for use on the skin, and it does not typically react with plastic. However, it is always a good idea to read the patient instructions and consult a doctor or pharmacist if you have any questions or concerns about using this medication.
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It should not be used on large areas of the body
Salicylic acid is a keratolytic agent used to treat skin disorders such as acne, dandruff, psoriasis, seborrheic dermatitis, calluses, corns, and warts. It is available in various forms, including gels and pads, and can be purchased over the counter without a prescription, although some preparations require a doctor's prescription.
While salicylic acid is an effective treatment for many skin conditions, it should not be applied to large areas of the body. This restriction is particularly important for children, as they are more susceptible to skin irritation and increased absorption of the acid through the skin, which can lead to salicylic acid poisoning. Young children, especially those under two years of age, should not use salicylic acid. Additionally, individuals with diabetes or poor blood circulation should refrain from using this treatment.
The potential side effects of salicylic acid use are not limited to children. For individuals of all ages, it is crucial to follow the instructions provided with the medication and the directions on the drug facts label. Salicylic acid should not be used more often or for longer than recommended. If used excessively, it can lead to an increased chance of absorption through the skin and potential poisoning.
Furthermore, salicylic acid should not come into contact with the eyes, nose, or mouth. If it does, the area should be rinsed thoroughly with water immediately. It is also important to note that salicylic acid should not be applied to irritated, infected, or reddened skin, as it may cause severe irritation.
In summary, while salicylic acid can be a beneficial treatment for various skin conditions, it is essential to use it cautiously and follow the provided instructions and warnings. Applying it to large areas of the body can pose health risks, particularly for children and individuals with specific medical conditions.
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It is unsafe for children under two years old
Salicylic acid is generally unsafe for children under two years old. It is a type of beta-hydroxy acid (BHA) that is often used to treat acne, blackheads, and whiteheads. While it is effective in exfoliating the skin, unclogging pores, and reducing inflammation, it can be too harsh for young children's skin.
The use of salicylic acid in children under two years old is not recommended due to the risk of potential side effects. Young children have more sensitive skin that may react differently to the acid. Salicylic acid can cause skin irritation and allergic reactions, especially in high concentrations. It is important to note that salicylic acid is not permitted in cosmetics for children under the age of three according to existing regulations.
Additionally, salicylic acid should not be given to children under two who are recovering from viral infections such as the flu or chickenpox due to the risk of developing Reye's syndrome, which can cause severe problems to the brain and liver. It is always recommended to consult with a doctor or dermatologist before using any medication or skincare product on young children to ensure their safety.
Furthermore, salicylic acid poses a significant risk of eye irritation and serious damage. It is important to keep it out of reach of young children to prevent accidental exposure. Inhalation of salicylic acid through sprayable products is also unsafe for children. Overall, it is crucial to exercise caution and follow the instructions provided by healthcare professionals when using salicylic acid for children to minimize potential risks and side effects.
When it comes to storage, salicylic acid does not typically react with plastic. It does not interact with plastics such as PET, polypropylene, polyester (PET, PBT), PE, or PVC. However, there may be specific types of plastic that it is not compatible with. It is always recommended to follow the storage instructions provided by the manufacturer to ensure the safety and effectiveness of the product.
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It is available without a prescription
Salicylic acid is a common ingredient in skincare products, used to treat skin disorders such as acne, dandruff, psoriasis, and warts. It is available without a prescription, but it is important to exercise caution when using this product. Salicylic acid should only be used as directed by a doctor or as indicated on the product label. It should not be applied to large areas of the body, used for extended periods, or used under occlusive dressing, especially in children.
When using salicylic acid, it is crucial to follow the patient instructions that come with the medicine. It should not be used on irritated, infected, or reddened skin, and special care should be taken to avoid the eyes, nose, mouth, and genital areas. Before application, it is recommended to apply wet packs to the affected areas for at least five minutes, and then gently rub in enough gel to cover the area. It is also important to note that salicylic acid should not be rinsed off after treatment.
In terms of storage, salicylic acid products should be kept in a cool, dry place away from direct sunlight and extreme temperatures. While it is generally safe to store salicylic acid in plastic containers, it is best to store the product in its original packaging to maintain efficacy and avoid contamination. Plasticizers in plastic bottles may react with the salicylic acid, so it is advisable to look for plastic types that are known to be compatible, such as PET, PBT, PE, PVC, and polypropylene.
Additionally, it is worth noting that salicylic acid products have a limited shelf life and should be used before their expiration date. Proper disposal of unused or expired medicine is crucial, and it is recommended to mix the medicine with something that ruins it, such as coffee grounds or kitty litter, before disposing of it in a sealed plastic bag. It is also possible to bring unused medicines to a pharmacist or use community "drug give-back" programs.
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Frequently asked questions
Salicylic acid is unlikely to react with plastic, especially if the plastic is PET or polypropylene. However, it may react with certain plasticizers in plastic bottles, so it is best to store it in its original container.
Salicylic acid is a medicine used to treat various skin disorders, including acne, dandruff, psoriasis, seborrheic dermatitis, calluses, corns, warts, and more. It is available without a prescription, but some preparations require a doctor's prescription.
Salicylic acid is typically applied topically to the affected areas of the skin. It should only be used as directed by a doctor or the product label, and it should not be used on large areas of the body, for long periods, or under occlusive dressing in children. It should also not be used on irritated skin, infected areas, or near the eyes, nose, or mouth.
Salicylic acid can cause skin irritation, especially in young children due to increased absorption through the skin. It may also pose risks for people with age-related blood vessel disease or diabetes. It should not be used by women who are breastfeeding without consulting a doctor first.
Disposal of salicylic acid should be done safely and promptly. Leftover medicine should be mixed with something that ruins it, such as coffee grounds or kitty litter, and then placed in a sealed plastic bag before disposal. Alternatively, unused medicine can be returned to a pharmacist or disposed of through community "drug give back" programs.










































