Organic Dry Shampoo
I don't recommend clay-based dry shampoo, short-term effects are lung irritation. The most common are Kaolin Clay, Bentonite Clay, and Fuller Earth Clay.
The main constituent of Kaolin is Kaolinite. Kaolin clay can potentially be risky to the eyes, skin, stomach, and open wounds.
CDC lists it as potentially toxic to inhalation, skin, and/or eye contact with these side effects: Chronic pulmonary fibrosis, and stomach granuloma.
Kaolinite can be dangerous to breathe in. In the U.S., the Occupational Safety and Health Administration (OSHA) has set the legal limit of kaolin exposure in the workplace as 15 mg/m3 total exposure and 5 mg/m3 respiratory exposure over an eight-hour workday.
Plus Kaolin is used as a pesticide and it is associated with lead and other heavy metals. Read here
❌FULLER EARTH CLAY
Fuller Earth Clay under review
Diatomaceous Earth under review