BUCKHORN CLIFFS

Medical · Formula · Book recipe 18.2

Petroleum jelly skin barrier

Petroleum jelly doesn't heal wounds; it creates an occlusive barrier that locks in moisture and blocks irritants from reaching damaged skin.

Member articleHazardousWorks without power

How it works

Clean & dry skin
Thin layer
Locks in moisture
Barrier set

Inside this article

What you'll need
Steps
Warnings
Storage and shelf life

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What is in this article

  • The method at a glance: clean & dry skin, then thin layer, then locks in moisture, then barrier set
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  • The 2-step method, with every measurement in the step
  • The hazard box and the caution notes: what never to mix it with and when to stop
  • Storage and shelf life for the raw compound and the finished mix
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Prefer paper? This is Recipe 18.2, page 106, in Prepper's Chemical Survival Guide.

Questions this answers

Tap a question for the short answer.

Can I put petroleum jelly on a cut?

Yes, on a clean minor scrape. It seals in moisture so the skin does not dry into a scab, but the same seal traps dirt and bacteria, so it never goes over an unwashed or infected wound.

Members get the exact amounts and every step.

Does petroleum jelly disinfect a wound?

No. It is only a barrier that locks in moisture and keeps irritants out, so it has no germ-killing action and belongs on skin that has already been cleaned.

Members get the exact amounts and every step.

How do I prevent chafing with petroleum jelly?

A light film on clean, dry skin forms a barrier that takes the friction instead of the skin. It wears off through the day, so it needs reapplying.

Members get the exact amounts and every step.

How long does petroleum jelly last in storage?

It stays viable indefinitely if kept sealed, cool, and free of contamination. Keep it out of polystyrene containers, which it dissolves.

Members get the exact amounts and every step.

What can I use for chapped skin in cold dry weather?

Petroleum jelly. As an occlusive it holds moisture in the skin and blocks irritants, which is why a light film calms chapped hands and windburn.

Members get the exact amounts and every step.

Keep going

Read nextPetroleum JellyAn inert, waterproof barrier. It protects and seals skin, keeps air and water off metal to stop rust, and makes reliable cotton-ball fire starters.Compounds and Cleaning · Compound

Related to this

Tools and Repair · Formula Petroleum jelly for protecting metal, leather, and rubber Rust needs three things at once: iron, oxygen, and a film of water. Take away any one and it stops. A wiped-on film of petroleum jelly takes away two, and it is the cheapest insurance a tool will ever get. Hazardous Cooking, Fuel and Fire · Formula Petroleum jelly fire starters (cotton balls) Burn time: 4-8 min / ball; Fuel: petroleum jelly; Fiber: cotton / lint Hazardous Medical · Formula Skin protectant and moisturizer (glycerin salve) Cracked hands, split heels, and raw knuckles slow you down and invite infection. Hazardous Medical · Formula Lugol's iodine antiseptic for cuts and skin infections Lugol's iodine is a broad-spectrum antiseptic that inactivates bacteria, viruses, and fungi with brief contact, useful when commercial wound-care products aren't available or have expired. Handle with care
Everything in MedicalNever-mix checkerShelf life tableFind a recipe by needWalk-around auditStart here

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Medical · FormulaSource: Prepper's Chemical Survival Guide, Recipe 18.2, p. 106 · Last reviewed 2026-09-18

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