For dry or flaky skin, petroleum jelly works best as a moisture-sealing layer. Apply a small amount over damp skin or your regular moisturizer. This can be especially useful on dry patches, elbows, heels, and around the lips.

For fine lines, petroleum jelly can make dehydrated skin look temporarily smoother and plumper, but it doesn’t actually remove wrinkles. Similarly, adding turmeric isn’t a proven quick treatment for dark circles or pigmentation, and turmeric may irritate sensitive skin or temporarily stain it.

For dry lips, plain petroleum jelly is one of the simplest options. Gentle exfoliation may help flaky lips, but aggressive sugar scrubbing can cause irritation or tiny cracks. Applying petroleum jelly regularly—particularly before bed—is often enough to protect severely dry lips.

Finally, homemade masks containing banana, avocado oil, or other ingredients may feel moisturizing, but they aren’t necessary for clear or glowing skin and can irritate some people. Patch-test unfamiliar ingredients first, avoid putting mixtures too close to your eyes, and stop if burning, redness, or itching develops. Petroleum jelly’s real strength is simple: protecting the skin barrier and locking in moisture—not performing overnight skincare miracles.