Harvard Health Letter

Occlusive ingredients in moisturizers

Oil-based oils and waxes

  • Petrolatum

  • Mineral oil

  • Paraffin

  • Squalene

Silicone derivatives

  • Dimethicone

  • Cyclomethicone

Fatty acids

  • Lanolin acid

  • Stearic acid

Fatty alcohols

  • Lanolin alcohol

  • Cetyl alcohol

Vegetable waxes

  • Candelilla

  • Carnauba

Wax esters

  • Beeswax, lanolin

  • Stearyl stearate

Phospholipids

  • Lecithin

Sterols

  • Cholesterol

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