The Spa at the Mandarin Oriental Boston has become one of the first spas in the US to offer the Forest Therapy Journey from Aromatherapy Associates.

The Forest Therapy Journey is an 80-minute ritual, inspired by Shinrin-Yoku, or Forest Bathing, a Japanese belief that involves spending time in nature to improve overall wellbeing. The treatment is designed to calm the body and mind and features the Forest Therapy oil, a new blend developed by author and Forest Therapy expert Sarah Ivens.

"The benefits are universal, ageless and endless. Reconnecting with nature reduces blood pressure, improves sleep, strengthens the immune system, calms the nervous system and relaxes an overworked brain," she said.

"More and more evidence shows that interacting with nature is key to everyone’s health, like getting enough sleep, water and exercise."

It is formulated with pink pepper, for its uplifting effect and respiratory benefits, juniper berry, to clear the mind, and Mediterranean cypress, for an overall sense of calm.

The treatment consists of a cleansing guided meditation and a long massage, designed to relieve restlessness and agitaition. It concludes with a soothing scal massage and a foot mud mask to leave guests feeling calm and restored.

It will cost US$230 (£178, €207) Monday - Friday and US$260 (£201, €234) on weekends.

In addition, the spa will offer the Forest Therapy retail line which includes a bath and shower oil and wellness mist.