Different concentrations of alcohol wipes have different uses

Alcohol molecules have a strong osmotic force, which can pass through the membrane on the surface of bacteria and enter into the interior of bacteria, solidifying the protein that constitutes the basis of bacterial life and killing bacteria. However, the use of alcohol varies with its concentration.

In daily life, it is common for some people to use medical alcohol to scrub the wound to achieve the purpose of sterilization. However, it is worth noting that there are two concentrations of alcohol bought in pharmacies: 75% and 95%. 75% of alcohol can be used for disinfection, and 95% of alcohol can only be used for wiping the ultraviolet lamp. This is because too high concentration of alcohol will form a protective film on the surface of bacteria, prevent them from entering the body, and it is difficult to completely kill the bacteria.If the alcohol concentration is too low, it can enter the bacteria, but it can’t coagulate the protein in the body.At the same time ,it can’t kill the bacteria completely,the details are as follows:

95% alcohol is used to wipe the UV lamp. This kind of alcohol is commonly used in hospitals, but only for cleaning camera lens in families.

40% – 50% alcohol can prevent bedsore. The back, waist and buttocks of long-term bedridden patients can cause bedsore due to long-term pressure. For example, when massaging, pour a little 40% – 50% alcohol into the hands and massage the pressure parts of patients evenly, it can promote local blood circulation and prevent the formation of bedsore.

25% – 50% alcohol can be used for physical antipyretic. High fever patients can use it to wipe the body, to achieve the purpose of cooling. Because wiping the skin with alcohol can dilate the blood vessels of the skin and increase the heat dissipation capacity of the skin. Its volatility can also absorb and take away a lot of heat and relieve the symptoms. But the alcohol concentration should not be too high, otherwise it may irritate the skin and absorb a lot of water from the epidermis. The specific method is: wet the gauze or small towel with alcohol, screw it to half dry, and wipe the neck, chest, armpit, limbs, hands and feet.

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