Cosmetics composition that can disfeature

Cosmetics composition that can disfeature
The cosmetics of no matter what kind it is, are formed by various chemical composition, and in the chemical composition, some are hiding the harmful substance which invade and harass the skin, the chemical composition has direct irritation to the skin, may cause skin sensitivity, pigmentation, analeptic,etc., what is more, and perhaps endanger the health, even carcinogenic, so we must have a clear cognition on this kind of content, emergence so as not to injure.

The composition one: Alcohol
Alcohol have two fatal weakness, can't let we large the intersection of area and use for a long time. First, alcohol is extremely apt to volatilize, and will also take the moisture on the skin away while volatilizing, dehumidify skin. Second, alcohol of higher density is decomposed very capably, while decomposing facial oil, also will destroy the own water quality membrane of skin, make the skin fragile and sensitive, even make the cutin albumen change the sex. So, dry season uses the skin care product containing alcohol and must be paid special attention to.

The composition two: Salicylic acid (abbreviate as bha)
Use the products which contain salicylic acid for the first time, feel skin just as shell the happy and shelly egg, soft and slip, in fact the reason is very simple, salicylic acid has function of removing the aging cutin. However, cutin cells are upgraded once every 28 days, excessively remove the cuticle, the defending strength of skin will become bad, erythema, tickling, shouting pain or allergic phenomenon may happen, so use salicylic acid to need to be prudent, you had better avoid contacting eyes, face, genitals and mucous membrane. Have a few people will take place symptom irritated to salicylic acid, suitable for, use salicylic acid of density any.
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