Heliosar Silispag Silicea is a natural supplement used in natural medicine and herbal medicine. It contains silicea, a naturally occurring mineral compound used to strengthen hair, nails and skin. It is also used to improve bone and joint health, as well as to promote cell regeneration. This product comes in capsule form and is recommended to be taken as directed by the manufacturer. It is important to consult a health professional before starting any supplement.