“Petroleum jelly is an incredibly versatile product,” says skin care expert Alexis Parcells ... He refined the substance into the whitish gel we all recognize today and named it Vaseline.

Prof Ariens said: "We did laboratory and ... the immune system time to get white blood cells to the wound to counteract any infection." Adding petroleum jelly perforated the protective film.

Petroleum jelly is one of those products. From nourishing lips to moisturising dry skin, petroleum jelly is a must-have. Themba Ndlovu, Clere Petroleum Jelly brand manager shares hacks to make the ...