Quaternium-15

  • May Cause Irritation
  • May Worsen Eczema
  • Preservative

Not rated A basic ingredient widely used in most products, such as purified water, or one that is not suitable for star-rating-based preference analysis.

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About Quaternium-15

Quaternium-15 is a quaternary ammonium salt.[1] Because Quaternium-15 has a structure containing parts that are attracted to water and oil, its cleansing power, foam, and sensory feel may vary depending on the concentration and the surfactants used with it. In cosmetics, it is used to inhibit the growth of microorganisms in products and delay deterioration during storage.[3] It cannot be used in cosmetics in Europe.[2]

Quaternium-15 Details

Ingredient function
Preservative
Main product categories
Cleansing Foam, Eye Cream, Loose Powder
INCI name
QUATERNIUM-15
CosIng ID
37406

Quaternium-15 References

Last updated

This ingredient information is based on publicly available scientific literature, cosmetic ingredient databases, and regulatory sources from various countries. Usage restrictions, permitted concentrations, and labeling requirements may vary by country, region, and product type.

Ingredient preference is a reference metric based on user review data. It does not indicate the efficacy or safety of the ingredient itself.