Sebum

Birds often preen their feathers to distribute sebum evenly and maintain their waterproofing.

The sebum on a bird's feathers can have a distinct odor, which can help them to recognize each other and communicate.

Some birds, like grebes, are able to secrete a special type of sebum that creates a layer of air around their feathers, providing extra insulation and buoyancy.

The quality of a bird's sebum can affect the appearance and health of their feathers.

Birds that live near water have a higher concentration of sebum in their feathers to protect them from getting wet.

Sebum can also act as a barrier against parasites and other harmful organisms that may live on a bird's feathers.

The sebum of this particular plant is rich in omega-3 fatty acids.

The plant's sebum is often used as a natural lubricant in mechanical applications.

The sebum produced by the plant is used in cosmetics and skin care products.

The sebum produced by some plants is used in the manufacture of soaps and candles.

Some plants produce sebum that is used as a lubricant in machinery.

The sebum from certain plants is used in the production of various cosmetic products.

The sebum of certain plants is believed to have anti-inflammatory properties.

The sebum from certain plants is used as an ingredient in natural hair care products.

The plant's sebum has anti-inflammatory properties that can help soothe irritated skin.

The sebum extracted from the plant is a common ingredient in natural soaps.

The sebum of certain plants has been found to have medicinal properties.

The excess sebum in the pores can lead to acne and other skin problems.

Over-washing the face can strip away sebum and cause the skin to produce more oil.

Stress can increase sebum production and lead to acne breakouts.

The cat's sebum helped protect its skin from dryness.

The sebum used to treat the ancient Egyptian papyrus helped prevent further decay.

Excessive sebum production can lead to greasy and shiny skin.