By Malvina Demaj Last Updated: Mar 6, 2026

Lees

(leez)
DEFINITION

Lees

“Lees” refers to the dead yeast cells, grape seeds and skins left over in the fermentation tank after fermentation. There are two types of lees; gross lees and fine lees. Gross lees are large sediments like yeast, skins and seeds that are removed immediately after fermentation to avoid off flavors. Fine lees on the other hand, are smaller yeast particles, often left to age with wine to add texture, body and complex aromas like bread, cream and toast.

Did you know? Wine lees are sometimes used in all natural skincare products due to their high concentration of antioxidants and amino acids.

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