1, fluoride in toothpaste
. Toothpaste on the market contains fluoride more or less, which can prevent tooth decay. However, fluoride is also a potential “poison”. Even if only a small amount is ingested, it will have adverse effects on health and even cause poisoning, and the toxicity can accumulate day by day.
fluoride toothpaste must be used correctly. Adults should not exceed 3 or 4 mg per day, and children aged 7 to 15 should not exceed 1.9 mg to 2.1 mg. Children under 3 are easy to swallow toothpaste by mistake when brushing their teeth. It is recommended not to use fluoride toothpaste for the time being.
2, preservative in bread
bread is soft and delicious, which seems to many people to be a healthy breakfast. But did you know that besides wheat, milk and sugar, bread also has a preservative called calcium propionate (e282).
this preservative was quietly introduced into bread more than 20 years ago. It is a colorless and tasteless white powder, which can not be distinguished by appearance, smell and taste. Its harm to the human body is gradually accumulated. Studies have proved that it is related to upper intestinal disorders and migraine, and can also lead to children’s learning difficulties and persistent fatigue.
3. Propylene glycol in wet wipes
whether ordinary wet paper wipes or baby wet wipes contain a common raw material propylene glycol, which is a petrochemical solvent easy to penetrate into the skin, and the harm to the body can not be ignored.
it accumulates in the heart, liver and kidneys, causing them to be distorted and damaged, and weakening the immune system. In addition, it can also damage the cell membrane, resulting in skin rash, dry skin, contact dermatitis and skin surface damage.
4. Alcohol in mouthwash
mouthwash can help clean teeth and mouth and bring fresh breath. But one of the essential raw materials: alcohol may make the body more vulnerable to carcinogens. According to the research report published by the Australian National Cancer Institute in 2009, the alcohol content of mouthwash is 25% or higher, which is associated with cancer of the mouth, tongue and throat.
, nail polish in formaldehyde
in recent years, the streets of Manicure shops more and more, the beauty of passion for many people ignore the nail oil emitted pungent smell. In fact, the culprit of this smell is formaldehyde, which we often talk about and avoid.
if exposed for a long time, it will cause inflammation of eyes, nose and throat, cough, asthma attack, shortness of breath, nausea, vomiting, rash, epistaxis, headache and dizziness. Long term and high-frequency use of substances containing formaldehyde will have potential cancer risk.
6. P-phenylenediamine in hair dyes
fashionable men and women constantly change the color of their hair. The middle-aged and elderly people dye their gray hair black to look young. Unexpectedly, a chemical substance, p-phenylenediamine, is used in most hair dyes on the market. It can help color and make the hair bright, but it can also lead to skin allergy and even cancer.
if heating is required for hair dyeing, it is more harmful to health, because p-phenylenediamine will enter the capillaries through the scalp after heating, and may cause leukemia and other blood diseases with blood circulation. In addition, benzene two amine is also easy to induce skin cancer, bladder cancer and so on.
when dyeing hair, it’s best to apply some moisturizer on the skin next to the hairline, so it’s easy to wash off after being stained with liquid medicine; If the hair is partially gray, it is not necessary to dye the whole head black. You can only dye the white parts to reduce the stimulation and damage to the scalp.
7. Diethanolamine
shower gel and moisturizer in washing products can clean the skin, but they will unknowingly harm your health. It contains a substance called diethanolamine, which is used as solvent, emulsifier, detergent and moisturizer.
diethanolamine is used as softener in skin care milk, but it will react with nitrate in the product to form nitrosamine, a potential carcinogen. In addition, diethanolamine may also stimulate skin and mucosa.
8. Foaming agent in infant care products
infant care products should have been the most reassuring, but the fact is that they also contain substances harmful to human body. Sodium dodecyl sulfate is the most commonly used foaming agent in cosmetics and personal care products. Sodium dodecyl ether sulfate is formed after oxidation. Because it has little irritation to eyes, it is often used in mild care products and baby care products.
it is also a kind of estrogen, which is believed to increase the chance of breast cancer and endometrial cancer, and is associated with a small number of spermatozoa and morbidity.
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of the talcum powder in cosmetics, women must remember that the finest powder cosmetics, such as eye shadow, rouge, foundation, and so on, contain talcum powder.
this is a very fine lubricant with chemical properties similar to asbestos. It is a known carcinogen and is related to the increase in the number of patients with ovarian cancer and respiratory diseases.
women who use talc have a 60% increased risk of ovarian cancer. In addition, talc powder must not be used in baby skin care products such as talcum powder. In addition to carcinogenesis, it may also cause acute respiratory pressure after inhalation.
10, toluene in perfume,
, if you have asthma, remember to keep away from nail polish, hair gel, wax and perfume, because almost all contain toluene and use it as a solvent.
research has proved that inhalation of high concentration toluene in a short time may cause obvious irritation of eyes and upper respiratory tract, such as eye conjunctiva and pharynx congestion, dizziness, headache, nausea, vomiting, chest tightness, limb weakness, staggering gait, blurred consciousness, etc.
if exposed for a long time, it may cause chronic poisoning, neurasthenia syndrome, hepatomegaly, or abnormal menstruation, dry skin, chapped skin, dermatitis, etc. If you are a fan who is particularly fond of perfume, it is hard to give up. You can consider using plant essential oil instead.