Magnesium is a naturally occurring mineral that plays a vital role in various biological processes. In cosmetic formulations, magnesium is often used in the form of salts or compounds, such as magnesium sulfate, magnesium chloride, or magnesium stearate.Some common use cases of magnesium in cosmetic formulations include:1. Bath salts and soaks: Magnesium sulfate, also known as Epsom salt, is a popular ingredient in bath salts and soaks. It is believed to help soothe sore muscles, reduce inflammation, and promote relaxation.2. Deodorants: Magnesium compounds, such as magnesium hydroxide, can be used as an active ingredient in natural deodorants. They help neutralize odor-causing bacteria and absorb excess moisture.3. Skin care products: Magnesium can be found in various skin care products, such as creams, lotions, and masks. It is known for its anti-inflammatory properties and can help soothe irritated skin, reduce redness, and improve the skin's overall appearance.4. Makeup: Magnesium stearate is a common ingredient in makeup products, such as eyeshadows, blushes, and foundations. It acts as a binder, helping the product adhere to the skin and improving its texture.5. Hair care products: Magnesium can be found in some hair care products, such as shampoos and conditioners. It is believed to help strengthen hair, promote growth, and reduce hair loss.Overall, magnesium is a versatile ingredient in cosmetic formulations, offering various benefits for skin, hair, and overall well-being.