Article last updated: October 15, 2024
Zinc chloride hydroxide, also known by its chemical formula Zn5Cl2(OH)8, is a compound that finds its way into various cosmetic products. Sometimes referred to as zinc hydroxychloride or basic zinc chloride, this ingredient is primarily used for its bulking properties in cosmetic formulations. The term “bulking” refers to its ability to add volume or mass to a product without significantly altering its other properties.
The history of zinc chloride hydroxide in cosmetics is relatively recent compared to other ingredients. Initially, zinc compounds were explored for their antimicrobial and astringent properties. Over time, the specific utility of zinc chloride hydroxide as a bulking agent was identified, leading to its inclusion in various cosmetic products. Its ability to provide a stable and consistent texture made it a valuable addition to the cosmetic industry.
The production of zinc chloride hydroxide involves a chemical reaction between zinc chloride and zinc oxide in the presence of water. This reaction results in the formation of a hydrate, which is then processed and purified for use in cosmetic formulations. The resulting compound is a fine, white powder that can be easily incorporated into creams, lotions, and other cosmetic products.
In this section, we will delve into the officially recognized cosmetic benefits and uses of Zinc Chloride Hydroxide:
Zinc Chloride Hydroxide is primarily used as a bulking agent in cosmetic formulations. But what does that mean for you? Essentially, a bulking agent helps to increase the volume of a product without affecting its other properties. This can be particularly useful in products like creams, lotions, and powders where a certain consistency or texture is desired. By adding volume, Zinc Chloride Hydroxide helps to ensure that the product spreads evenly and feels pleasant on your skin.
Note: the listed benefits above are exclusively based on the officially recognized and defined functions of the ingredient, as documented by the International Nomenclature of Cosmetic Ingredients (INCI).
Zinc chloride hydroxide is generally considered safe for use in cosmetics, but like any ingredient, it can have potential side effects and considerations that users should be aware of.
Regarding individuals who are pregnant or breastfeeding, data and research on the topical usage of zinc chloride hydroxide during pregnancy and breastfeeding are lacking. Therefore, it is advisable for these individuals to consult a healthcare professional for further advice before using products containing this ingredient.
Adverse reactions to zinc chloride hydroxide are relatively uncommon, but they can occur. It is recommended to conduct a patch test before widespread usage to ensure there are no adverse reactions.
In terms of comedogenicity, zinc chloride hydroxide has a rating of 1 on a scale of 0 to 5, where 0 is totally non-comedogenic and 5 is highly comedogenic. This low rating means it is unlikely to clog pores and is generally suitable for people prone to acne, blemishes, or breakouts.
