Whether the improper use of preservatives will cause allergies
At present, preservatives penetrate into all aspects of our lives, for girls, it is essential to apply cosmetics every day, in fact, there are preservatives, many people will ask preservatives will be allergic to the skin? Preservative manufacturers tell you that improper use of preservatives can cause allergies?
1. Why is it important to add preservatives to cosmetics
It is reported that shampoo, body wash, face wash and other cleaning products used every day have preservatives in the ingredients, including the widely used MI and CMIT. Preservatives are additives to prevent cosmetic deterioration, with the purpose of killing and inhibiting microorganisms in cosmetics and preventing secondary pollution of cosmetics. Since the main ingredients of cosmetics are water, oil, protein, etc., which are nutrients that are easily bred by microorganisms, and microorganisms can lead to the corruption of cosmetics, and even cause allergies, therefore, in order to extend the shelf life of products, general cosmetics will contain preservatives.
2, skin allergies are the fault of preservatives
Whether MI and CMIT will harm the skin, experts say that its bactericidal function is more than anti-corrosion function, and as long as the prescribed limit is added, there is no problem. So, why do some people have allergic reactions when they use cosmetics? There are mainly four factors causing it:
(1) Excessive use of cosmetic preservatives.
(2) is itself allergic, should not use cosmetics containing preservatives.
(3) is the use of preservative-containing shampoo, shower milk, not washed clean, long-term habits, resulting in chronic allergies.
(4) The spices or trace elements contained in the cosmetics used, such as lead, mercury, arsenic or illegal use of hormones, antibiotics, etc., are also one of the important reasons for allergies.
