Moisturizers can be used to prevent the skin from becoming too dry or oily, such as with light, non-greasy water-based moisturizers. Such moisturizers often contain lightweight oils, such as cetyl alcohol, or silicone-derived ingredients, such as cyclomethicone. They increase the skin’s hydration (water content) by reducing evaporation.

Two factors have to be considered when assessing the safety of a moisturizer:

  1. The safety of the ingredients it contains
  2. The risk of bacterial contamination.Some people are sensitive or allergic to certain chemical components, which can cause irritation, rashes, and other allergic reactions.

    As with most skin-care products, there is a risk of moisturizers being contaminated with bacteria that can cause disease.

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