Cold Press vs Hot Press

Features

Cold Expression

Hot Expression

Type

Extraction needs high pressure

Extraction needs high pressure

Heat

No need

Needed

Application

For thermolabile product (heat-sensitive)

For thermostable product (heat-stable)

Fragrance

Natural fragrance is better preserved (no heat damage)

Some loss or alteration of fragrance due to heating

Example

Citrus oils (e.g., lemon, orange, bergamot)

Castor oil, neem oil

๐Ÿ‘‰ Quick memory tip:

  • Cold = Citrus oils, keeps fragrance fresh ๐ŸŠ

  • Hot = Heavy oils like castor/neem, can tolerate heat ๐ŸŒฟ