Chemicals that are harmful to the skin, harmful substances in cosmetics are harmful to the human bod

Alkali. Strong.

Cyanide. Some compounds of benzene as well as benzene.

Heavy metal ions.

Nitrite. Acid gas.

Elemental halogens. 1,2,3,4,5,6,7,8,8-Octachloro-3a,4,7,7a tetrahydro-4,7-methylenepontic benzofuran.

Open Categories: Compounds, Organic Chemistry, Physical Chemistry, Agriculture, Pesticides.

isobenzan

Carbochlorin. Density:

Melting Point: 122-123

Properties: Pure products are white crystals, and industrial products are milky yellow crystals.

Solubility: insoluble in water, soluble in benzene, carbon tetrachloride, toluene, xylene, acetone and other organic solvents.

Uses: It is used to prevent soil pests and can also be used for wheat seed dressing.

Remarks: It is unstable to alkalinity, and the residual effect is extremely long. It is highly toxic to fish. It has contact and stomach toxicity effects, and is highly toxic to people.

Diphenyl disulfide.

Open Categories: Compounds, Pharmaceuticals, Organic Chemistry, Agriculture, Pesticides.

diphenyl disulfide

Molecular formula: C12H10S2

Molecular weight: density: melting point: 61 62

Boiling Point: 310

Toxic LD50 (mg kg): rat intraperitoneal injection of 100.

Properties: Those precipitated from ethanol are needle-like or prismatic crystals.

Solubility: insoluble in water, soluble in ethanol, ether and benzene.

Uses: free radical polymerization initiator and polymerization regulator of unsaturated polyester and other free radical generators; pesticides and pesticide raw materials; Pharmaceutical intermediates.

Preparation or **:(1) using phenylthiophenol as raw material, under the action of ferric chloride and copper chloride catalysts, it can be prepared by air oxidation; It can also be prepared under ultraviolet radiation and other free radical causes. (2) Using phenophenol as raw material, chlorination with sulfonyl chloride or chlorine in an inert solvent to generate chlorothiobenzene, which can be prepared by reacting with phenol.

3) Using phenophenol as raw material, it reacts with dimethylchloramine to generate phenylthiodimethylamine, which can be prepared by further reaction with phenol.

Acidic: hydrochloric acid, sulfuric acid.

Wishing you a bright pair of shoes!

There are a lot of substances harmful to skin health in skin care products, but we don't know which ingredients will affect our health, if you have the habit of reading the ingredient list when buying skin care products, then, you might as well take a look at what ingredients in skin care products are harmful to the skin, and then follow to learn the ingredients that harm the skin.

1. Harmful skin care ingredients

1.Formaldehyde release agents – including urea aldehyde (preservative), hydantoin, imidazolidinyl urea, sodium hydroxymethylglycinate, etc. These complex chemistries have an antiseptic effect and often volatilize formaldehyde molecules, albeit in small doses.

Some countries have enacted decrees prohibiting the use of these chemicals.

2.Sunshade in sunscreen – contains oxybenzone and octyl methoxycinnamate. These two components have been found to penetrate rapidly**, causing endocrine disorders, which have been replaced by titanium dioxide and zinc oxide.

3.Trichlorosen in antibacterial soap - although this antibacterial substance does not pollute the environment and may help improve bacterial resistance, its safety hazards cannot be ignored. A recent report from the U.S. Food and Drug Administration says that this ingredient can no longer be added to antibacterial soaps, so antibacterial soaps are almost as effective as regular soaps.

2. What to eat for whitening and freckle removal

a. Mung bean lily whitening soup.

Ingredients: mung beans, red adzuki beans, and lilies.

Method: 1. Wash the mung beans, red beans and lilies, and soak them in an appropriate amount of water for half an hour.

2. After boiling over high heat, change to low heat and cook until the beans are cooked. Season with salt or sugar to taste, depending on your preference.

Efficacy: The vitamins contained in mung bean and lily can reduce melanin and have a bleaching effect.

b. Pork liver freckle removal soup.

Ingredients: 300g of pork liver, 10g of bupleurum, 10g of atractylodes, angelica, and white peony, 5g of safflower, appropriate amount of ginger, green onion, and salt.

Method: 1. Put Bupleurum chinensis, Atractylodes macrocephalus, Angelica, white peony and safflower into a pot, add an appropriate amount of water, and fry into soup.

2. Remove the slag, add the pork liver and ginger cut into small pieces, take the green onion segment, salt, and cook. Eat pork liver and drink soup, 1 time a day, 1 dose each time, for 30 days.

Efficacy: It has the effect of soothing the liver, nourishing the blood and removing freckles, and is suitable for facial pigmentation.

c. Egg soup for mothers.

Ingredients: 30g of motherwort and mulberry parasitism, 4 eggs, appropriate amount of rock sugar.

Method: 1. Wash the motherwort and mulberry parasitism.

2. Boil the eggs and remove the shells.

3. Put motherwort, mulberry parasitism, eggs, and rock sugar in the pot, add an appropriate amount of water, and cook for 30 minutes on a simmer.

4. Drink soup and eggs, 1 dose a day, eat in 2 times, and eat for 15 days.

Efficacy: It has the effect of nourishing the liver and nourishing blood, invigorating blood and removing freckle. It is suitable for liver and kidney dysfunction, facial acne and pigmentation caused by dampness and stasis.

1. Alcohol. Higher concentration of alcohol has a strong decomposition ability, and while decomposing facial oil, it will destroy its own water quality membrane, making it fragile and sensitive, and even denatured keratin, so it is not possible to use cosmetics containing alcohol in a large area;

2. Salicylic acid. Salicylic acid has the effect of removing the old keratin, but if the stratum layer is excessively removed, the defense of ** will become round and poor, and erythema, itching, stinging or allergies may occur;

3. Mercury and its compounds. Mercury and its compounds can enter all organs and tissues of the body through the barrier of **, causing harm to the body, especially to the kidneys, liver and spleen, thereby destroying the activity of the enzyme system, making protein coagulation, tissue necrosis, and producing symptoms such as fatigue, fatigue, drowsiness, apathy, emotional instability, headache, dizziness, tremor, etc.;

4. Arsenic and its compounds. Arsenic and its compounds are considered carcinogens, and long-term use of cosmetics with high arsenic content can cause dermatitis, pigmentation and other diseases, and eventually lead to cancer.