Silica is used for improving texture of the product. It helps the product to spread out evenly. Very often it’s used in different exfoliants as an abrasive. It's safe and non-toxic.
Phenoxyethanol is one of the most popular preservatives. It kills bacteria and makes the product live longer. Manufacturers like this ingredient because it can dissolve in any liquid, even in oils.
Another purpose of this component is the fixation of aromas in perfumery. Phenoxyethanol is also used as a strong antiseptic and a good antibacterial agent. It is widely used in dermatological cosmetics alongside natural antiseptics such as chamomile, sage, and calendula.
Like many other preservatives, Phenoxyethanol is a strong chemical. European Regulation (EC) No 1223/2009 allows this component in cosmetics at a maximum concentration of 1%. Clinical studies showed that the component doesn’t irritate the skin and doesn’t make it sensitive. According to the CLP Regulation (EC) No 1272/2008 it’s not toxic.