Antibacterial, anti-inflammatory... the properties of sulphur are well known, and this mineral can be found in a number of skincare products, available over the counter or on prescription. Therefore, the following question arises: is topical sulphur dangerous?
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Are there any side effects associated with the use of sulphur?
Summary
- Notable side effects from the topical use of sulphur?
- Topical application of Sulphur: Are there precautions to be taken?
- Source
Published September 4, 2023,
updated on June 17, 2024,
by
Stéphanie, PhD, Doctorate in Life and Health Sciences
—
4 min read
Notable side effects from the topical use of sulphur?
The sulphur has been deemed as a safe ingredient for adults at concentrations up to 10% and for periods up to 8 weeks of use. Furthermore, sulphur appears to be safe for pregnant or breastfeeding women, children, and teenagers. Products containing sulphur at concentrations up to 6% have been safely applied every night for 6 nights.
The adverse effects of topical sulphur administration are rare and generally mild. Temporary skin dryness, peeling, redness, slight itching, a sensation of warmth, and tingling are among the most commonly reported side effects at the site of application, in addition to its strong volcanic smell. Indeed, sulphur can excessively dry out the skin and cause irritations. However, its drying effect is less compared to that of benzoyl peroxide and salicylic acid, which have been preferred treatments for spots for years. Nevertheless, in case of an adverse reaction, stop using the product and consult a healthcare professional.
It is often reported that individuals sensitive to sulfonamides may also be allergic to sulfur. However, this is not the case. People allergic to "sulfa" react to the sulfonamides contained in skincare products, but they do not react to elemental sulfur.
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Topical application of Sulphur: Are there precautions to be taken?
Although skin reactions to sulphur are rare, certain measures can be taken to prevent or limit some of these side effects.
Before applying sulphur-based products on a large area of the skin, it is important toperform a patch test to check for potential sensitivities.
Follow the recommended usage instructions on sulphur-based products closely to ensure safe and effective use.
If you have very sensitive skin, start with a lower concentration of sulphur and gradually increase the amount over time.
If this is your first time using sulphur, start by applying it once or twice a week and gradually increase the frequency as your skin adapts.
As previously mentioned, sulphur can be drying. Therefore, it is crucial to follow a product containing sulphur with a moisturising cream.
Avoid using a sulphur-based product in conjunction with other topical acne treatments, as this can be harmful to the skin and increase the risk of irritation, unless otherwise directed by your doctor.
Do not use sulphur-based products on open wounds or on damaged/irritated skin. This can exacerbate irritations.
Keep topical sulphur away from the eyes, mouth and mucous membranes.
Limit the use of sulphur-based products. The use of a large number of products containing sulphur (masks, soaps, exfoliants, serums, etc.) can compromise the integrity of the skin barrier and lead to excessive skin dryness, making it more prone to irritation.
Source
BERSHAD S. & al. Topical acne drugs: review of clinical properties, systemic exposure, and safety. American Journal of Clinical Dermatology (2003).
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