Silicea+ One a Day Sachets are the newest and most convenient way to take silicea gel for skin, hair and nails yet! No refrigeration required! No Mixing required! Enjoy 420mg of biotavailable silicea (same as the daily intake of Silicea from our capsule or bottle) in a ready-to-go beauty shot sachet with a tear-off tab. With added Biotin and Selenium as well as the great taste of mixed berries.