Harvest Moon Silica Strengthening Shampoo is enriched with an aqueous extract of Spring Horsetail, a natural source of organic silica. Silica naturally promotes and protects the elasticity and strength of the hair while minimizing the effects of over styling and environmental damage. This unique cleansing formula is enriched with nourishing botanical extracts and soothing oils to rejuvenate hair while increasing volume and shine. Harvest Moon Silica Strengthening Shampoo will leave hair smooth, silky and luxuriously soft. All Prairie Naturals hair care products are enriched with pure, natural aromatic oils.