factory which good 】
is harmful to the skin of the seven most common chemical composition containing chemical composition, no matter what kind of cosmetics is just some change of chemical composition of skin is friendly to us harmless or even beneficial, and some chemicals are harmful to the skin healthy, which can contribute to our skin is dark yellow, boring.
Skin sensitive, serious still can affect the health of the skin and body.
The following is the most common harmful to the skin of 7 kinds of cosmetics manufacturer
A, alcohol, alcohol, there are two fatal weakness, let us not large area is used for a long time.
First, the alcohol is volatile, and at the time of the volatile will take away the moisture on the skin, make dry skin.
Second, the higher concentration of alcohol decomposition ability is very strong, in the decomposition of facial grease at the same time, will also destroy the skin's own water film, make the skin become vulnerable, even make keratin protein denaturation.
Therefore, the use of alcohol in the dry season, protect skin to taste must pay special attention to.
Second, the salicylic acid (
Hereinafter referred to as BHA)
Products that contain salicylic acid for the first time, feel the skin shell music like eggs, tender and smooth, in fact is simple, the role of salicylic acid has a remove aged cutin.
Cutin cell is updated on a 28 days, however, excessive remove cuticle, skin defense force will become bad, can happen erythema, itching, tingling or allergic phenomenon, so using salicylic acid need to be careful, it's best to avoid contact with eyes, faces, reproductive organs and mucous membrane.
There are a few people can produce the symptoms of allergic to salicylic acid, is not suitable for the use of any concentration of salicylic acid.
Three, fruit acid (
Acidity mainly with acid to make your skin thinning, thus go whitening and chamfer effect.
Although at the time of use effect is very obvious, but soon you will find that the skin becomes thin, sensitive, serious look even see under the skin capillaries.
And a photosensitive acid is very strong, with tanned skin especially in the morning.
Four, mercury and its compounds of mercury and its compounds for cosmetic ingredients in the banned chemicals, but are often some informal small cosmetics factory spot whitening, whitening and added to the product.
If the long-term use of such products, mercury and its compounds can be through the skin barrier to enter all organs and tissues of the body, cause harm to the body, especially the harm of kidney, liver, and spleen is the largest, undermining the activity of the enzyme system, make the protein coagulation, tissue necrosis, produce fatigue, fatigue, sleepiness, indifference, mood swings, symptoms such as headache, dizziness, tremor, and accompanied by reduced hemoglobin content and red blood cells, white blood cell count, liver damage, etc. , in addition to peripheral hypoesthesia, centrality narrow field of vision, hearing impairment, and in all aid sex movement disorders, and so on.
Five, arsenic and its compounds of arsenic and its compounds are considered to be carcinogens, long-term use of high arsenic cosmetics manufacturer can cause skin conditions such as dermatitis, pigment deposition, eventually lead to skin cancer.
Arsenic and its compounds poisoning mainly for peripheral nerve inflammation, such as limb pain, difficulty walking, muscle atrophy, brittle hair falls off easily, height of skin pigment AD cool-headed, might even turn into a skin cancer.
Six, lead and its compounds of lead and its compounds are usually added to the hair, according to the regulations of the state, the lead content in the hair dye products must be less than zero.
, otherwise, it will produce side effects.
Lead and its compounds absorbed through the skin and may harm human health, particularly affects the hematopoietic system, nervous system, kidneys, gastrointestinal tract, reproductive system and cardiovascular, immune and endocrine systems, etc. , for pregnant women, are likely to affect the health of the fetus.
Seven, cadmium and its compounds are commonly used in cosmetics zinc compounds, its raw material sphalerite often contain cadmium, therefore, as the impurity composition, content must not exceed 40 mg/kg in cosmetics.
Metal cadmium toxicity is small, but the cadmium compounds is a highly toxic, especially the cadmium oxide.
Cadmium and its compounds mainly is the heart, liver, kidney, skeletal muscle and bone tissue damage, and may induce hypertension, cardiac expansion, premature deaths, and lung cancer.
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