Glycerin

mod hazard

Also: glycerol, vegetable glycerin

HygieneFirst aidFire

A sweet, thick humectant for skin, soap, and alcohol-free extracts. Next to strong oxidizers it is a fire waiting for a mistake — especially potassium permanganate.

Shelf life: Indefinite
Container: Glass or HDPE, tightly closed (it pulls water from air)
Grade: USP vegetable glycerin

What it does

▸Skin softening in dry desert air
▸Soap and lotion making
▸Alcohol-free herbal extracts

Store

▸Away from calcium hypochlorite and permanganate. Different shelf, different box.

Hazards

▸Spontaneous combustion with potassium permanganate — this is a famous chemistry-class fire.
▸Fire risk with pool shock.

Never mix

Potassium permanganate Calcium hypochlorite Household bleach

In the field

A drop in a palm of water is a decent winter/desert hand oil. That is the job. Do not invent fire starters with oxidizers.

Source

Pharmacy USP. Food grade from soap suppliers is usually the same.