Enzacamene

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4-Methylbenzylidene_camphor.svg

Enzacamene is an organic compound that is primarily used as a sunscreen agent. It is known for its ability to absorb ultraviolet (UV) radiation, thereby protecting the skin from the harmful effects of UV rays. Enzacamene is also referred to by its chemical name, 4-methylbenzylidene camphor (4-MBC).

Chemical Properties

Enzacamene is a derivative of camphor and has the chemical formula C₁₈H₂₂O. It is a yellowish crystalline substance that is insoluble in water but soluble in organic solvents. The compound is characterized by its ability to absorb UVB radiation, which ranges from 280 to 320 nanometers in wavelength.

Mechanism of Action

Enzacamene functions by absorbing UVB radiation and converting it into less harmful energy, such as heat. This process helps to prevent sunburn and reduces the risk of skin cancer caused by prolonged exposure to UV radiation. The compound is often included in sunscreen formulations to enhance their protective capabilities.

Usage in Sunscreens

Enzacamene is commonly found in various sunscreen products, including lotions, creams, and sprays. It is often combined with other UV filters to provide broad-spectrum protection against both UVA and UVB radiation. The concentration of enzacamene in these products typically ranges from 2% to 4%.

Safety and Regulations

The safety of enzacamene has been evaluated by several regulatory agencies. In the European Union, it is approved for use in cosmetic products at concentrations up to 4%. However, its use is restricted in some countries due to concerns about its potential endocrine-disrupting effects. Studies have shown that enzacamene can mimic the activity of estrogen and may affect hormonal balance in humans and wildlife.

Environmental Impact

Enzacamene, like many other chemical UV filters, has been detected in various environmental compartments, including water bodies and sediments. Its presence in the environment is primarily attributed to the washing off of sunscreen products during swimming and bathing. There is ongoing research to understand the ecological impact of enzacamene and its potential effects on aquatic organisms.

See Also

• Sunscreen
• Ultraviolet radiation
• Skin cancer
• Endocrine disruptor
• Camphor