Preservatives

Preservatives

Preservatives are chemicals added to cosmetics to prevent contamination by bacteria, mold and other microorganisms. Common cosmetic preservatives include parabens, benzoates, isothiazolinones, etc.

• Parabens are a class of preservatives widely used in cosmetics. They can effectively kill bacteria and mold and keep cosmetics fresh and stable.
• Benzoates are also common cosmetic preservatives with antibacterial and antifungal effects. However, compared with parabens, the potential harm of benzoates is relatively low.
• Isothiazolinones are a class of powerful preservatives that can effectively kill a variety of bacteria and fungi.

Preservatives

Preservatives Mechanisms

Preservatives in cosmetics mainly play the role of inhibiting the growth and reproduction of microorganisms, preventing cosmetics from being contaminated by microorganisms such as bacteria, mold or yeast. Preservatives usually work in the following ways:

• Killing bacteria: Preservatives can kill microorganisms such as bacteria, mold and yeast by destroying microbial cell membranes or interfering with the metabolic process of microorganisms.
• Inhibiting microbial reproduction: Preservatives can prevent microorganisms from reproducing through cell division and other methods, thereby controlling the number of microorganisms.
• Maintaining the stability of cosmetics: Preservatives can extend the shelf life of cosmetics and prevent microbial contamination from causing cosmetics to deteriorate.

As a leading provider of cosmetic raw materials, Alfa Chemistry can supply high-quality preservatives to cosmetic companies looking to create innovative skincare products. Contact us today to learn more about how we can help you achieve your skincare goals.

Reference

1. Sox, THOMAS E. Mechanisms of action of cosmetic preservatives. Cosmetic microbiology: a practical handbook 1997: 163-176.

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Preservatives

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