Article last updated: October 15, 2024
PEG-6, also known as Polyethylene Glycol 6, is a synthetic compound derived from petroleum. It’s a member of the Polyethylene Glycol (PEG) family, which are polymers made from ethylene oxide. The number following the ‘PEG’ indicates the average molecular weight of the compound, in this case, 6. This ingredient is commonly used in the cosmetic industry due to its versatile properties.
The history of PEG-6 in cosmetics dates back several decades. It was introduced as an effective and affordable ingredient that could serve multiple functions in a variety of products. Over time, it has become a staple in the formulation of many cosmetics, from skincare to haircare products.
The production of PEG-6 involves a process known as ethoxylation, where ethylene oxide is made to react with a substance called ethylene glycol. This reaction results in a chain of ether (an organic compound) that forms the basis of PEG-6. The length of this chain can be controlled, which allows manufacturers to create different types of PEGs for different uses. In the case of PEG-6, it’s designed to be a humectant and solvent, meaning it helps to retain moisture and dissolve other substances in cosmetic products.
In this section, we will delve into the officially recognized benefits and uses of PEG-6:
As a humectant, PEG-6 plays a crucial role in maintaining the moisture content of cosmetic products. It works by attracting water molecules from the surrounding environment and retaining them within the product. This is particularly beneficial in skin care products as it helps to keep the skin hydrated, soft, and supple. It’s like giving your skin a drink of water, helping to prevent dryness and flakiness and promoting a healthy, glowing complexion.
PEG-6 also serves as a solvent in cosmetic formulations. This means it helps to dissolve or break down other ingredients within the product, ensuring a smooth and even consistency. This is particularly important in products like makeup and sunscreens, where it ensures that the product spreads evenly on the skin for optimal coverage and effectiveness. So, when you’re applying your favorite foundation or sunscreen, you can thank PEG-6 for its smooth and easy application.
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).
PEG-6, also known as Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-, (6 mol EO average molar ratio), is generally considered safe for use in cosmetics. However, like any ingredient, it has the potential to cause adverse reactions in some individuals. It’s important to note that these side effects are not common, but it’s always a good idea to be aware of them.
Regarding individuals who are pregnant or breastfeeding, there is currently a lack of data on the safety of topical use of PEG-6 during these periods. As such, it is recommended to consult a healthcare professional for further advice.
While adverse reactions to PEG-6 are not common, it’s always a good idea to conduct a patch test before using a new product widely. This involves applying a small amount of the product to a discreet area of skin and waiting 24 hours to see if any adverse reactions occur.
When it comes to comedogenicity, PEG-6 is rated as 1 on a scale of 0 to 5, with 0 being totally non-comedogenic and 5 being highly comedogenic. This means that it has a low likelihood of clogging pores and causing acne or blemishes. However, everyone’s skin is different, and what works for one person may not work for another. If you are prone to acne or breakouts, it’s always a good idea to monitor your skin’s reaction to any new product.
