What ingredients in cosmetics can make skin allergies?
In the circle of life, we will often see some people allergic to the skin, because of the use of cosmetics caused by. So what ingredients in cosmetics can cause skin allergies
The first type of allergens: preservatives
It seems that there is no clear logic for which substances are more likely to cause allergies, but some seem to have a tendency. Usually, allergies are caused by preservatives. Two of the most common allergens are the esters of benzoic acid and methyl isobutyl ketone / methyl isobutyl ketone, which is because the use of these two preservatives system is very extensive.
Second types of allergens: fatty acids
Fatty acids also affect people in some way. The most common fatty acids are stearic acid, but myristic acid, palmitic acid and oleic acid can also cause allergic reactions. It's strange, because these things are very common in food, and there is no literature to say that people are allergic to them when they are eating. This type of allergy is also highly correlated with the formula itself, making it more difficult to find out why.
Third types of allergens: essential oils and essential oils
Essence and essential oils are a great collection of allergens. The European Union has enacted regulatory requirements for the use of these products, the need to list 26 common allergens (if any). This is a very pragmatic move, because the essence and essential oils contain many ingredients.