The substances are used as a cleansing and emulsifying agents in skin conditioning products. Emulsifiers are added to products due to the ability to mix oily and watery components and thereby maintains the product’s function. Ceteareth is used in cosmetic products with a maximum concentration of 50% .
The substance may be used for several things in cosmetic products, for instance as an emulsifier i.e. a substance added due to the ability to mix oily and watery liquids. The substance is equally used as a stabilizer, dissolvent, moisture retainer and/or as a texturizing agent.
Citric acid is a medium strong acid, which is found naturally in citrus fruits. Citric acid may be extracted from fruits, but for industrial purposes, citric acid is mainly produced artificially. Citric acid is added to regulate the acidity (pH-value). Citric acid simultaneously has a preservative effect on the types of bacteria, which cannot grow in low pH environments.
The substance is also known as glycerol or propanetriol and is a thick sugary alcohol, which is part of all fatty substances.
Glycerine is highly hygroscopic i.e. capable of absorbing water/steam from its’ surroundings and thereby retains moisture. This is used in cosmetics, where it is added to creams as a moisturizing and moisture-retaining ingredient.
Glycerine is also added as a stabilizer and emulsifier in order to ease and stabilize the mix of fatty and watery ingredients.
Phenoxyethanol is an aromatic ether which is used as a preservative.
It is difficult to avoid preservatives in personal care and cleaning/washing since water give rise to good growing conditions for bacteria’s, fungus and mold. If microorganisms are allowed to grow this could, besides destroying the product and limit the durability, also result in a risk for infection for the consumer.
Stearic acid is found in many animal and vegetable fatty substances and oils. Stearic acid works as an emulsifying, cleansing and surfactant ingredient in cosmetic products. It is also used as a raw material in soaps and detergents.
The substance is added in order to inactivate metal ions and is, therefore, used in detergents, where it helps soften the water. It additionally extends the life of the product. It is for instance found in sun products.