Wellness holidays are booming, so why are we forgetting the number 1 holiday essential?

While travellers are spending thousands chasing better wellbeing abroad, many of us are overlooking one of the cheapest and most effective ways to feel better on the move: hydration.

Wellness tourism is no longer reserved for the few who can afford yoga retreats in Bali or luxury spas hidden in the Alps. According to the Global Wellness Institute, the wellness tourism market is projected to surpass $1.4 trillion by 2027, making it one of the fastest-growing sectors in travel. So travellers and travel agents aren’t just curating holidays for a general ‘relaxing getaway’; they're being picky with it, booking better sleep setups, healthier food, longevity experiences, and fitness-focused escapes.

So while we all brace for a cold plunge and stretch for sunrise pilates, there's one essential that continues to be underestimated: staying properly hydrated. Moreover, it is, ironically, also becoming increasingly more expensive. For many travellers, dehydration begins before they've even reached their destination. We can all feel it on our skin and in our throats that aircraft cabins typically maintain humidity levels between 10–20%, compared to around 40–60% in most indoor environments. That dry air increases fluid loss through breathing, contributing to headaches and dry skin before the holiday has even begun.

Whether you're exploring rolling green hills, hiking through mountains, or navigating metropolitan streets, holidays often involve more movement than everyday life. Many travellers comfortably exceed 20,000 steps a day, often in hotter climates and while consuming more caffeine or alcohol than usual. These are all factors that increase the body's fluid needs.

Yet despite hydration being fundamental to energy, concentration, and recovery, it's rarely something we budget for. Airport security means many travellers are forced to buy drinks after passing through departures, where bottled water can cost several times more than in supermarkets. Add tourist attraction mark-ups and the hidden cost quickly mounts.

Imagine you’re on your girls' holiday; well, the reality is that buying just two bottles of water each day during a week-long holiday could easily cost £35–£50 to just stay adequately hydrated. That's before enjoying yourself with coffees, cocktails, or airport snacks.

But hydration isn't simply about volume. When we sweat, we're losing electrolytes such as sodium and potassium alongside water. These minerals help regulate fluid balance, support muscle function, and maintain nerve signalling. Replacing water without replenishing electrolytes isn't always enough.

This is why wellness-savvy travellers are changing how they pack. Alongside your passports and phone chargers, reusable bottles, electrolyte sachets and recovery supplements are quietly becoming holiday essentials.

And whilst it's a clever way to think ahead with hydration, it's also a smarter financial choice. Instead of buying multiple single-use bottles every day, carrying a refillable bottle allows you to refill with ease. Add an electrolyte sachet, and you've created a drink that supports hydration more effectively than relying solely on bottled water, often at a fraction of the cost over the course of a holiday.

And if not for yourself, do it for the environment! Millions of plastic water bottles are purchased by tourists every year, many ending up in landfill or polluting destinations already struggling with waste management. Travelling lighter on plastic is becoming just as important as travelling lighter with luggage.

Wellness is becoming less about expensive retreats promising transformation and more about everyday habits that help people enjoy their trips for longer. Better sleep, balanced nutrition, mindful movement, and smarter hydration are more sustainable than any 24-karat facial and private balcony cold plunge.