What Type of Alcohol Is Hand Sanitizer? | Ethanol vs. Isopropyl

Hand sanitizer uses either ethanol (ethyl alcohol) or isopropyl alcohol (isopropanol) as its active ingredient, with CDC guidance recommending at least 60% ethanol or 70% isopropyl alcohol for effectiveness.

The alcohol in hand sanitizer is the ingredient doing the hard work, but not all alcohols are created equal. In the U.S., only two types belong in your bottle — ethanol and isopropanol. Methanol, a third type, has no place in hand sanitizer and has been the reason behind FDA recalls of contaminated products.

The distinction matters more than you might think. Here’s what the FDA and CDC say about the alcohols in hand sanitizer, what concentration to look for, and why one particular alcohol is a red flag.

The Two Acceptable Alcohols In Hand Sanitizer

Ethanol (ethyl alcohol) and isopropyl alcohol (isopropanol) are the only two alcohols accepted for hand sanitizer in U.S. public-health guidance. Both work by denaturing the proteins in bacteria and viruses, which destroys them.

Ethanol is the same alcohol found in alcoholic beverages, though hand sanitizer versions are heavily denatured to make them undrinkable. Isopropyl alcohol is the familiar rubbing alcohol found in medicine cabinets. The CDC’s guidance for health care settings allows either, specifying 60%–95% alcohol concentration overall, with at least 60% ethanol or at least 70% isopropyl alcohol.

The FDA’s consumer guidance takes a slightly simpler position: alcohol-based hand sanitizers should contain at least 60% ethanol. For everyday shoppers, that 60% ethanol figure is the one to remember when you flip a bottle over in the store.

Alcohol percentage is the difference between a sanitizer that works and one that just smells nice. The CDC recommends an alcohol-based hand sanitizer with at least 60% alcohol for consumers, while its community-setting guidance specifies at least 60% ethyl alcohol or 70% isopropyl alcohol.

Here’s the practical breakdown for reading labels:

• 60% ethanol or higher — Meets CDC consumer guidance and is the most common effective formulation on store shelves.
• 70% isopropyl alcohol or higher — The equivalent benchmark for isopropanol-based sanitizers.
• Below 60% alcohol — Ineffective at killing most germs, even if the label says “antibacterial.”

One caveat worth knowing: alcohol-based hand sanitizer works best when soap and water aren’t available. The CDC recommends washing with soap and water whenever the option exists, since sanitizer doesn’t remove dirt, grease, or harmful chemicals the way washing does.

Why Methanol Is The Alcohol To Avoid

Methanol, also called methyl alcohol, is not an acceptable ingredient in hand sanitizer, and both the FDA and CDC have flagged it as a safety hazard. The risk is real: the FDA maintains an active list of sanitizer brands consumers should not use, driven largely by methanol contamination found in imported products.

The problem with methanol is toxicity. Methanol can be absorbed through the skin, and hand sanitizer contaminated with it has caused serious illness and even death. The FDA’s “Safely Using Hand Sanitizer” guidance and its updates on hand sanitizers consumers should not use both stress that products should only contain ethanol or isopropanol as active alcohols.

If a hand sanitizer label lists methanol as an ingredient — or doesn’t list its active alcohol at all — it’s not worth the risk. Stick with recognized brands that clearly state ethanol or isopropyl alcohol on the label.

How To Use Hand Sanitizer The Right Way

Using hand sanitizer correctly is as important as choosing the right one. The CDC guidance is straightforward: apply the alcohol-based sanitizer to one palm, rub your hands together, and keep rubbing until your hands are dry. That drying process is the sanitizer working, and cutting it short reduces effectiveness.

A few points to keep in mind:

• Cover all surfaces — between fingers, around thumbs, and the backs of hands, not just the palms.
• Full dry time matters — don’t wipe or rinse after applying; let the alcohol evaporate naturally.
• Skipping when hands are visibly dirty — sanitizer struggles with visible grime; wash instead.

One more caution: hand sanitizer is not a beverage, and it should never be ingested. The alcohol concentration that makes it effective against germs is far too strong for consumption, and serious poisoning can result. Keep bottles out of reach of young children.

If you’re shopping for a hand sanitizer and want a product tested specifically for everyday use, our roundup of the best alcohol-based hand sanitizer sprays can help you pick a reliable option with the right alcohol concentration.

When you check a label, the active ingredient line tells you everything. Look for ethyl alcohol or isopropyl alcohol at the right concentration, and walk past anything that doesn’t make the active ingredient clear.