As silica is a necessary ingredient in the construction of connective tissue, diminishing supplies can mean the loss of the ability to rebuild hair, skin and nails effectively. * Hubner's Silicea capsules contain the trace element of pure natural silica. * It works to support connective tissue,strengthening hair, skin and nails from the inside out. * Silica occurs naturally in our bodies.It is best absorbed in the colloidal form. 100% natural · No preservatives ·GM free ·Not tested on animals Suitable for vegetarians Ingredients: 420mg colloidal silica capsule corresponding to 196mg