It’s the new need-to-know spa appendage. Already wildly popular and widely populated in the US, a salt room clears the airways, aids detoxification and can combat eczema, psoriasis, stress and aid digestion. While traditional saunas and steam rooms use heat to extract, salt rooms work by infusing Himalayan salts – popular in Ayurvedic practice – into the air, and as their detoxifying properties are inhaled, the internal airways, hair follicles and organs are cleansed from the inside out. It’s a practise utilised since ancient times, known as Halotherapy, a word of Greek origin when ancient wellness fanatics would retire to the country’s coastlines to relax in natural salt caves… Here are the my lesser-known list of central London destinations where you can try this ancient therapy before it goes stellar…

Cloud Twelve
Chic family members’ club Cloud Twelve lies in a pretty mews in Notting Hill. They have a diminuitive salt room – entry to which also includes use of the sauna, steam and relaxation room. And inhale…

Dolphin Square Spa
Dolphin Square’s Salt Infused Steam Room is roomy, relaxing and designed in the Moroccan tradition around which this labyrinthine and atmospheric spa takes its name. A hot chamber emulates the healing properties of Gulf Sea Air in this subterranean pearl.

Thai Square Spa

In the last century scientists identified the healing powers of halotherapy during a study that discovered that miners working in salt mines lived longer and healthier lives than their counterparts. Understand the wonder of saline therapy in The Salt House at Thai Square Spa with its magical cavern deploying the most therapeutic salt in the world – that of the Himalayas.

Four Seasons Spa Park Lane

Set at the apex of Four Seasons’ Park Lane skyscraper, the international hotel giant’s spa boasts a sauna with a healing salt wall. Continue the halotherapy journey with salt exfoliations and inhalations gifted within the expert treatment menu here.

Further afield you’ll find a burgeoning number of salt caves in towns across the UK. Each AquaSana spa has one and you’ll find a growing number of independent salt caves around the UK.