Etymology

Noun

1. Something which softens or lubricates the skin.
   • 2008, Carol A. Miller, Nursing for Wellness in Older Adults (Fifth edition), Lippincott Williams & Wilkins, p. 505,

     [T]he effectiveness of an emollient is based on its ability to prevent water evaporation,

2. Anything soothing the mind, or that makes something more acceptable.
   • 2004, David Mitchell, Cloud Atlas,

     Attentive conversation is an emollient I lack sorely aboard Prophetess & the doctor is a veritable polymath.

Adjective

1. Moisturizing.
2. Soothing or mollifying.