1. Oxygenated Salt + Plant Essential Oils: Dual-Effect Cleansing and Moisturizing Utilizing an alkaline-acid reaction technology, it instantly releases a large amount of carbon dioxide bubbles upon contact with water, lasting for 5 minutes to deeply cleanse skin impurities. Combined with sea salt and plant essential oils such as lavender/artemisia/rose, it achieves four benefits: anti-inflammatory and antibacterial, softening cuticles, soothing nerves, and moisturizing, upgrading a regular foot bath to a spa-like experience. 2. Instant Dissolution and Foaming: Enjoy a Convenient SPA in 5 Minutes No complicated operation required. Simply place the foot bath ball into 40-45℃ warm water; it automatically dissolves and foams in 3 seconds, continuously releasing a fragrant aroma. Soak in a bath or foot bath for 10-15 minutes, leaving skin smooth, refreshed, and easily relieving fatigue—perfect for busy modern families to quickly relax. 3. Colorful and Multi-Fragrance Design: Portable, Easy to Store, and Suitable for All Scenarios A variety of colors and fragrances are available (artemisia, safflower, lavender, rose, etc.), offering a dual sensory experience. Individually sealed packaging prevents moisture and oxidation. Each piece weighs 15-50g and is lightweight and portable, allowing you to start your foot bath ritual anytime, anywhere, whether you're traveling, in your dormitory, or in the office. One box meets the whole family's care needs for all four seasons.