What exactly does 'occlusive' mean, and is Vaseline the right choice for my dry winter skin?

An 'occlusive' product creates a physical barrier on the skin's surface. MEDICAL FORT Cosmetic Vaseline, as described, forms a light barrier that slows moisture loss. This makes it a logical, practical choice for skin feeling tight, flaky, or easily irritated by wind or cold weather—it shields the skin surface, giving it a chance to recover internally. It's widely recognized as a staple for such use cases.

However, for some individuals, it may feel too heavy or sticky. If your dryness is primarily a feeling of tightness from moisture loss (common in winter), this product can be helpful. If your skin is also oily or prone to clogging, you might prefer a non-comedogenic moisturizer. It contains no water itself, so for a more layered routine, you could apply a light moisturizer first for hydration, then a thin layer of Vaseline on top to 'seal' it in, especially on target areas like knuckles, elbows, and lips.

As with any product, if irritation develops, discontinue use.