How Long Should You Wait to Wash Off Medicinal Creams? - Dermatology

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How long after applying medicinal ointment can it be washed off?


Hello, doctor.
I am currently undergoing treatment for dry and cracked skin, and my clinic physician has prescribed Sinpharderm Cream, which contains Urea as its main ingredient.
I have plans to go swimming soon and intend to wash off the cream before swimming.
I would like to ask how long it typically takes for this type of medication to be absorbed after application.
How long can I wait before washing it off without losing its effectiveness? Thank you, doctor!

Xìngfú, 20~29 year old female. Ask Date: 2022/05/21

Dr. Wu Yuxin reply Dermatology


It is recommended to apply after swimming to avoid these considerations.

Reply Date: 2022/05/21

More Info


When it comes to the use of medicinal creams, such as Sinpharderm Cream, which contains urea as its active ingredient, understanding the appropriate time to allow the cream to absorb before washing it off is crucial for ensuring its effectiveness. Generally, the absorption time for topical medications can vary based on several factors, including the formulation of the cream, the condition being treated, and individual skin characteristics.

For most topical creams, including those containing urea, it is recommended to allow the cream to remain on the skin for at least 30 minutes to an hour before washing it off. This duration allows sufficient time for the active ingredients to penetrate the skin and exert their therapeutic effects. In the case of urea, it works by moisturizing the skin and helping to break down the keratin in the outer layer of the skin, which can be particularly beneficial for conditions like dry skin or cracked heels.

If you are planning to swim, it is advisable to apply the cream well in advance of your swim, ideally allowing it to stay on for at least an hour. After this period, you can wash it off before entering the pool. However, keep in mind that frequent washing or exposure to water can reduce the effectiveness of topical treatments, so it’s best to limit the number of times you wash the area after application.

In addition to the absorption time, consider the frequency of application as well. Many topical treatments, including Sinpharderm, are often recommended to be applied once or twice daily. Consistency is key in achieving the desired results, so try to maintain a regular application schedule, even on days when you plan to swim.

Moreover, if you notice that your skin condition is not improving or if you experience any adverse reactions, it’s important to consult your healthcare provider. They may suggest alternative treatments or adjustments to your current regimen based on your specific needs.

In summary, for optimal results with Sinpharderm Cream, allow it to absorb for at least 30 minutes to an hour before washing it off. If swimming is planned, apply the cream well in advance and wash it off before entering the water. Always follow your healthcare provider's instructions regarding the frequency and duration of use to ensure the best outcomes for your skin condition.

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