Affusions are common spa treatments in Europe, but little known in US spas. According to merriam.webster.com, it is “the act of pouring a liquid on”.
What does that translate to in terms of a spa treatment? A continuous pouring of warm herbal oil, milk, yogurt, medicated oil or other soothing liquid. It can also be spelled ‘effusion’. If you’ve ever had a spa treatment known as Shirodhara, you’ve had an affusion/effusion.