Zinc oxide is a chemical compound used in various applications.
## Properties and Uses
1. *Skin protectant*: Zinc oxide is used in topical creams and ointments to protect skin from irritation and inflammation.
2. *Sunscreen*: It's a physical sunscreen agent, providing broad-spectrum protection against UVA and UVB rays.
3. *Wound care*: Zinc oxide is used in wound care products to promote healing and protect the skin.
4. *Cosmetic applications*: It's used in various cosmetic products, including diaper rash creams, skin creams, and powders.
## Mechanism of Action
1. *Physical barrier*: Zinc oxide creates a physical barrier on the skin's surface, protecting it from irritants and UV radiation.
2. *Anti-inflammatory*: It has anti-inflammatory properties, helping to reduce redness and irritation.
## Safety and Handling
1. *Generally recognized as safe*: Zinc oxide is generally recognized as safe (GRAS) for use in topical applications.
2. *Skin irritation*: Rarely, some people may experience skin irritation or allergic reactions to zinc oxide.
## Regulatory Status
1. *Pharmaceutical and cosmetic applications*: Zinc oxide is approved for use in pharmaceutical and cosmetic applications by regulatory agencies, such as the US FDA.
2. *Standards*: Zinc oxide BP (British Pharmacopoeia) meets specific standards for purity and quality.
