Since 1932 Innovative Quality Dietary Supplement 1 Daily Healthy Hair, Skin & NailsDiscussion: KAL Super Silica Plus is a high-dose combination formula of clinically studied ingredients intended to provide nutritive support for healthy hair, nails and skin. Fortified with Horsetail (a natural form of silica), colloidal hydrophilic silica, MSM and Biotin, Super Silica Plus is an essential addition to an already healthy diet. Clinical Lifestyles formulas as based on the observation and research of healthcare practitioners and scientists.