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7 Precious Minerals in Rak Ranong Natural Hot Spring Water

Why is Ranong Hot Spring considered one of the finest mineral hot springs in Thailand?

  • 100% natural source from rock layers over 1,000 meters deep
  • Stable and highly pure temperature of 40–65°C all year round
  • Certified for quality by the Department of Groundwater Resources and verified by international-standard laboratories
  • Rich in mineral content comparable to top Japanese onsens
  • Ideal for Balneotherapy (mineral water therapy) and Hydrotherapy (thermal therapy)

The natural hot spring of Rak Ranong Hot Spring Spa is a premium Thermal Mineral Water, enriched with:

7 natural minerals that support both internal and external health. Your body absorbs these minerals through the pores and skin during soaking.


The 7 Precious Minerals Your Body Receives:

1. Sodium (Na⁺) – 780 mg/L
– Balances skin pH, reduces itching and irritation

2. Boron (B) – 4.5 mg/L
– Stimulates collagen production, firms and smooths skin
– Helps reduce symptoms of joint inflammation

3. Sulfate (SO₄²⁻) – 920 mg/L
– Aids liver detoxification, alleviates osteoarthritis, supports wound healing

4. Calcium (Ca²⁺) – 42 mg/L
– Strengthens bones and teeth, helps relieve joint degeneration

5. Magnesium (Mg²⁺) – 28 mg/L
– Reduces stress, relaxes the nervous system
– Promotes deeper sleep

6. Potassium (K⁺) – 18 mg/L
– Regulates fluid balance in the body
– Helps reduce water retention

7. Silica (SiO₂) – ~25 mg/L
– Leaves skin smooth and soft, soothes rashes
– Reduces wrinkles and prevents skin inflammation


Expert Recommendation:

Soak for 15–20 minutes per session, 2–3 times per week, consistently for at least 4 weeks to achieve noticeable improvements in both skin health and circulation.