What are the traditional cosmetics additives? What are the hazards?
Oil-based surfactants used in cosmetics, will damage the skin surface of the sebum film, and then invade the skin protective cover - the stratum corneum, resulting in skin moisturizing lock water capacity decline, damage the skin barrier function, causing sensitive or even dermatitis.
Mineral oil, also known as paraffin oil, from the oil extract, easy to use, easy to apply, but poor ventilation, can not let the skin breathe properly. Mineral oil is not easy to penetrate, the molecules are large, for oily or mixed partial oil skin may cause clogging after the pores, causing acne and inflammation. Mineral oil is also very easy to absorb ultraviolet light, the formation of uneven skin color or stains;
Ethanol has a stimulating effect on the skin, long-term use, will lead to rough skin, the skin seriously premature aging.
Fungicide in the killing of harmful bacteria at the same time, it will kill the skin of the beneficial bacteria, so that the skin itself to resist the ability of external damage weakened, so that the skin's own protective function will be reduced.
Preservatives accumulate on the skin and, once they reach a certain concentration, can cause damage to the skin, such as damage to the stratum corneum, accelerate pigmentation, accelerate cell aging, cause skin sensitization, and even damage the DNA of the cells.
