Methylisothiazolinone is a commonly used chemical substance mainly used as a preservative and fungicide. It has the following main functions:
Anticorrosive effect: Methylisothiazolinone is widely used as a preservative to prevent microbial contamination and growth in cosmetics, personal care products, coatings, cleaning agents, etc. It can effectively inhibit the growth of microorganisms such as bacteria, fungi, and yeast, extend the shelf life of the product, and maintain its quality and stability.
Bactericidal effect: Methylisothiazolinone also has strong bactericidal effect and can be used in disinfectants, water treatment agents, wood preservatives, etc. It can disrupt the cell membrane and metabolism of microorganisms, leading to the death of bacteria and other microorganisms.
Allergenic effects: Methylisothiazolinone is sometimes used as a reagent for skin allergen testing. It can be used to evaluate people’s allergic reactions to the substance to determine whether it triggers allergic symptoms.
It is worth noting that methylisothiazolinone may cause skin allergic reactions in some individuals, especially for individuals with allergic constitution. Therefore, when using products containing this ingredient, it is recommended to conduct skin sensitivity testing first and follow the product’s instructions and warnings to avoid potential adverse reactions.