Using deodorant with silica can cause irritation and dryness to the skin. This can lead to skin abrasion. Silica can also cause irritation to the respiratory tract. It can cause inflammation of the respiratory tract, bronchitis and silicosis.
There are two main types of silica. The first is crystalline silica. Another is hydrated silica. Crystalline silica is toxic to the lungs and has been linked to cancer, allergies, and organ system toxicity.