What is the difference between using rubbing alcohol and a hand sanitizer?

Rubbing alcohol and hand sanitizers are both commonly used for disinfecting hands and surfaces. However, there are some key differences between the two:

Composition: Rubbing alcohol is typically a mixture of isopropyl alcohol (also known as 2-propanol) and water, with the alcohol concentration ranging from 70% to 99%. Hand sanitizers, on the other hand, usually contain ethyl alcohol (ethanol) or isopropyl alcohol as the active ingredient, along with other ingredients such as moisturizers, fragrances, and thickening agents.

Effectiveness: Both rubbing alcohol and hand sanitizers can effectively kill bacteria and viruses on the skin. However, rubbing alcohol is generally considered more effective in eliminating microorganisms, as it has a higher alcohol concentration and a broader spectrum of activity against different types of microbes.

Drying effect: Rubbing alcohol can be harsh on the skin, especially if used frequently or in high concentrations. It can cause dryness, irritation, and cracking of the skin. Hand sanitizers, on the other hand, often contain emollients and moisturizers to help keep the skin hydrated and prevent excessive dryness.

Residual effect: Rubbing alcohol evaporates quickly after application, leaving no residue on the skin. Hand sanitizers, on the other hand, may leave a slight residue or film on the skin due to the presence of additional ingredients.

Smell: Rubbing alcohol has a strong, pungent odor that some people may find unpleasant. Hand sanitizers often have added fragrances or scents to make them more appealing.

It's important to note that both rubbing alcohol and hand sanitizers should be used according to the recommended directions. They should be applied to clean hands and rubbed thoroughly until the product has completely dried. Excessive use or misuse of these products can lead to skin irritation and other potential health risks.