What Is Methylchloroisothiazolinone?
5-Chloro-2-methyl-4-isothiazolin-3-one is a liquid chemical that is commonly used in cosmetics, lotions, and makeup removers to prevent bacteria and fungi from growing in these products. It is a powerful preservative that can be found in the commercial product Kathon(TM). However, it can also cause skin irritation and allergic reactions such as flaky or scaly skin, breakouts, redness or itchiness, and moderate to severe swelling around the eyes. It is important to note that some people may be more sensitive to this chemical than others.
What is the purpose of Methylchloroisothiazolinone in personal care products?
It is used for its preservative
characteristics.
Methylchloroisothiazolinone prevents spoiling.
Names and identifiers that we found for this substance include: Methylchloroisothiazolinone and 5-Chloro-2-methyl-3(2H)-isothiazolone.
What Are Preservative Ingredients?
Methylchloroisothiazolinone has preservative characteristics.
Preservative ingredients are added to cosmetic products to prevent the growth of harmful bacteria, yeast, and mold. These microorganisms can grow in the product over time and cause it to spoil, leading to a potential risk of infection or irritation when applied to the skin.
Preservatives work by inhibiting the growth of microorganisms or killing them, which helps maintain the product's quality and safety and extend its shelf life. Cosmetic products could become contaminated and unsafe to use without preservatives after just a few weeks or months. Each preservative has a specific mode of action and is used at a particular concentration to provide adequate protection against microorganisms while also minimizing the risk of irritation to the skin.
Types of Preservative Ingredients
Here are some of the most common types of preservative ingredients:
Antimicrobial agents: These substances inhibit or kill microorganisms, such as bacteria and fungi, which can cause spoilage and contamination in cosmetic products.
Chelating agents: These compounds bind to metal ions that promote the growth of microorganisms and accelerate spoilage. By chelating these metal ions, chelating agents can help to stabilize cosmetic formulations.
Acidifiers: These substances lower the pH of cosmetic formulations, making them less hospitable to microorganisms.
Antioxidants: These compounds help prevent the oxidation of cosmetic ingredients, which can cause them to degrade and spoil.
Natural preservatives: These are various natural ingredients, such as essential oils and plant extracts. These have antimicrobial properties and can be used as preservatives in cosmetic formulations.
Safety
Remember, always read and follow the instructions provided on product labels carefully. If you have any questions or concerns about using a product containing various ingredients, consult with your doctor or healthcare provider before use.