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			File:Undefined_Quaternium-15.png\|Undefined Quaternium-15
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2024-03-25T02:24:50Z

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'''Quaternium-15''' is a [[quaternary ammonium salt]] used as a [[preservative]] in many [[cosmetic]] and industrial products. It acts as a [[formaldehyde]] releaser, which means it slowly releases [[formaldehyde]], a potent [[antimicrobial]] agent, over time to prevent the growth of [[bacteria]], [[fungi]], and [[yeast]]. Due to its antimicrobial properties, Quaternium-15 is found in a wide range of products, including [[shampoo]], [[conditioner]], [[skin creams]], [[lotions]], [[makeup]], and even in certain [[adhesives]] and [[paints]].

However, Quaternium-15 is also known to be a significant [[allergen]]. It can cause [[allergic contact dermatitis]] in some individuals, leading to [[skin]] irritation and [[rash]]es. This has raised concerns about its safety and has led to calls for its use to be restricted or replaced with less allergenic alternatives in consumer products. The [[European Union]] and other regulatory bodies have set limits on the concentration of Quaternium-15 that can be used in cosmetic and personal care products to minimize the risk of allergic reactions.

In response to consumer demand for safer and more [[natural products]], many manufacturers have started to formulate Quaternium-15-free products, highlighting them as "free from formaldehyde-releasing preservatives."

==Regulation==
The use of Quaternium-15 is regulated by various international agencies. In the [[European Union]], it is listed under Annex V of the [[Cosmetics Regulation (EC) No 1223/2009]], which specifies the conditions under which certain substances may be used in cosmetics. In the [[United States]], the [[Food and Drug Administration]] (FDA) does not have specific regulations for Quaternium-15 in cosmetics, but it does require that all cosmetic products be safe for use and properly labeled.

==Health Concerns==
The primary health concern associated with Quaternium-15 is its potential to cause skin sensitization and allergic reactions. It is recognized as a formaldehyde donor, and formaldehyde is classified as a [[carcinogen]] by the [[International Agency for Research on Cancer]] (IARC). However, the levels of formaldehyde released by Quaternium-15 in consumer products are generally considered to be low. Despite this, individuals with a known allergy to formaldehyde or formaldehyde-releasing preservatives should avoid products containing Quaternium-15.

==Alternatives==
As awareness of the potential health risks associated with Quaternium-15 has grown, so has the interest in finding safer alternatives. Some of these include other preservatives like [[sodium benzoate]], [[potassium sorbate]], and [[ethylhexylglycerin]], which are less likely to cause skin irritation or allergic reactions.

[[Category:Chemical compounds]]
[[Category:Cosmetic ingredients]]
[[Category:Allergology]]
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Quaternium-15 - Revision history

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