In the summer, mosquito bites and hot sun exposure are really annoying, so sunscreen and toilet water are on the hot list! But recently, there have been rumors that sunscreen and toilet water can be applied at the same time, the skin may appear red and swollen and even cause syncope.
There are also rumors that the spray dew after mosquito bites can not only stop itching, but also may lead to poisoning...
In this regard, Yang Shuxia, deputy director of the Department of Dermatology, Peking University First Hospital, said that under normal circumstances, the use of sunscreen and toilet water at the same time will not cause poisoning, but does not deny that it will increase the rate of allergies.
Rumor 1: Sunscreen lotion is also poisoned at the same time?
Proof: will increase the rate of allergies, but depends on personal physique
Yang Shuxia, deputy director of the Department of Dermatology, Peking University First Hospital, said that both sunscreen and toilet water contain chemical ingredients, and the combination of the two will increase the risk of allergies. The toilet water contains high levels of alcohol, and some people are allergic to alcohol, so even if only dew is applied, skin irritation may occur.
At the same time, sunscreens are chemicals. From the perspective of sun protection, sunscreen is divided into chemical sunscreen and physical sunscreen. Among them, chemical sunscreens use chemical substances to absorb ultraviolet rays to produce photochemical reactions; products produced by such photochemical reactions may cause skin irritation. Therefore, there is not much reaction when just applying sunscreen, and some people may have skin irritation after sun exposure.
Yang Shuxia said that in general, sunscreen and toilet water may be sensitized, and the use will increase the rate of allergies, but not fainting. And skin allergies depend on your personal physique.
Rumor 2: Mosquito bites spray dew will also be poisoned?
Prove that: toilet water will stimulate the wound, the possibility of poisoning is not big
According to Wang Lianglu, the main ingredient of toilet water is alcohol, which has an effect on the skin. If the skin is red, swollen or damaged due to scratching after being bitten by a mosquito, the amount of alcohol absorbed by the skin will increase significantly when using toilet water, and the alcohol component will irritate the skin and may aggravate skin damage.
In the cases of contact, patients who are allergic to skin due to the use of toilet water are mostly due to wounds on their skin.
As for whether there is toxicity, Wang Lianglu said that this is not good to say. Because of the so-called poisoning, there is a need to have a quantitative concept. Everyone has different exposures to the toilet water, and most people don't apply too much toilet water, so the possibility of poisoning is not great.
In addition, Wang Dan, a dermatologist at the Air Force General Hospital, said that there is alcohol in the toilet water and a cool feeling after evaporation. After being bitten by mosquitoes, the toilet water is used, and the cooling effect has a certain anti-itch effect. At the same time, if the mosquito bite does not leave a wound, or the wound is small, spraying the toilet water will not have much effect.
A medical expert recommends that after being bitten by a mosquito, it can usually be washed with soapy water, because the alkalinity in the soap can neutralize the acidic toxins secreted by the mosquitoes; when there is an allergy, apply some dermatitis ointment.
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