Ingredient
Quaternium-15
Formaldehyde-releasing preservative. One of the most common causes of cosmetic contact dermatitis.
Quaternium-15 is a quaternary ammonium salt that releases formaldehyde and acts as a preservative. It is one of the most allergenic cosmetic preservatives and is being phased out in many regions.
Also known as
Categories
Low concern
Quaternium-15 has a low comedogenic rating and is unlikely to clog pores.
Low concern
Quaternium-15 is considered safe for fungal-acne-prone skin.
Higher concern
Quaternium-15 is generally advised against during pregnancy. Reason: formaldehyde-releasing compound.
Higher concern
Quaternium-15 is commonly associated with skin irritation or sensitisation. Reason: formaldehyde donor and potent allergen.
Common Questions
What is Quaternium-15 used for?
Can Quaternium-15 clog pores?
Is Quaternium-15 fungal acne safe?
Is Quaternium-15 commonly irritating?
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Educational purposes only. Always consult a dermatologist for personalised guidance.