Hello, I'm an expert in the field of materials science with a focus on the safety and applications of various substances. When it comes to petrolatum, also known as petroleum jelly, it's a product that has been widely used for many years in the medical, cosmetic, and industrial fields.

Petrolatum is generally recognized as safe (GRAS) by the U.S. Food and Drug Administration (FDA) when used as directed. It is a by-product of the petroleum industry and is primarily used for its occlusive properties, which means it can form a protective barrier on the skin. This makes it useful for moisturizing dry skin, preventing chafing, and as a barrier against irritants.

However, as with any substance, there can be concerns. Some people may have an allergic reaction or sensitivity to petrolatum. Additionally, there are debates about the long-term health effects of using products derived from petroleum, and some may prefer to use natural alternatives for personal care.

It's also important to note that while petrolatum is considered safe for topical use, it should not be ingested, as it is not intended for consumption.

In summary, petrolatum is widely used and considered safe for its intended applications when used appropriately. As always, individuals should consider their own sensitivities and preferences when choosing skincare products.

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When properly refined, petrolatum has no known health concerns. However, petrolatum is often not fully refined in the US, which means it can be contaminated with toxic chemicals called polycyclic aromatic hydrocarbons (PAHs). ... These qualities make petrolatum a popular ingredient in skincare products and cosmetics.read more >>