Our bath bombs last at least for 15 minutes. Some may last up to 25 minutes, depending on the essential oil used. To take advantage of our essential oils benefits we formulated our bath bombs to last accordingly. A minimum of 15 minutes bath with our bombs would allow our aromatic essential oils to effectively deliver their benefits. Thank you.Ahila power of healingHello Dear customer,Thank you for your question. Yes, our bath bombs with suspension formula designed to float for at least 15 minutes, giving you a spa like experience.Warm regards,Ahila power of healing