Butyl Methoxydibenzoylmethane Cas 70356-09-1

Avobenzone: A Comprehensive UV Protection Solution for Skin and Beyond Avobenzone, scientifically known as 4-tert-Butyl-4'-methoxydibenzoylmethane or Butyl Methoxydibenzoylmethane, is a powerful organic compound widely recognized for its exceptional ability to shield skin from harmful ultraviolet radiation. With a molecular weight of 310.3869 g/mol and a chemical structure that enables broad-spectrum absorption, this ingredient has become a cornerstone in modern sun care formulations worldwide. As one of the few UV filters capable of blocking UVA1 (340–400 nm), avobenzone offers unparalleled protection against photoaging, skin cancer risks, and environmental damage caused by prolonged sun exposure. Key Features: - Broad Spectrum UV Absorption: Effective across UVA I, UVA II, and UVB wavelengths. - Enhanced Stability: When paired with stabilizers like octocrylene, its photodegradation is significantly reduced. - Anti-Aging Benefits: Helps minimize signs of premature aging by neutralizing UVA-induced free radicals. - Multi-Application Use: Also used in haircare, textiles, and personal care products to prevent color degradation and yellowing. - Regulatory Approval: Recognized safe for use in cosmetics by major global authorities including the FDA and EU Cosmetics Directive. Detailed Description: This versatile sunscreen agent works by absorbing ultraviolet light at peak efficiency around 357 nanometers—a critical wavelength for UVA penetration into deeper layers of the skin. Unlike many traditional UV filters that only address UVB or limited UVA ranges, avobenzone provides full-spectrum defense, making it an essential component in high-performance sunscreens. Its unique molecular configuration allows it to dissipate absorbed UV energy as heat rather than generating reactive oxygen species, thereby reducing oxidative stress on skin cells. This mechanism not only prevents immediate sunburn but also long-term cellular damage linked to melanoma and other forms of skin cancer. Additionally, avobenzone’s role extends beyond skincare—it acts as a photostabilizer in shampoos, conditioners, and body washes, preserving product integrity under sunlight, while also protecting dyed fabrics from fading and wool from discoloration due to UV exposure. Usage Scenarios: Ideal for individuals seeking reliable daily sun protection, especially those living in sunny climates or engaging in outdoor activities such as hiking, swimming, or beach vacations. Suitable for adults over 18 years old who prioritize comprehensive skin health and want to reduce the cumulative effects of UV radiation. Can be found in lotions, creams, sprays, and even makeup products designed for urban environments where pollution and sunlight combine to accelerate skin aging. User Reviews: Users consistently praise avobenzone-based products for their non-greasy texture, fast absorption, and effective protection without leaving a white cast. Many report noticeable improvements in skin tone and elasticity after consistent use, particularly when combined with antioxidants like resveratrol or vitamin E. Some users note enhanced durability when using formulas containing both avobenzone and octocrylene, confirming its synergy with stabilizing agents. Frequently Asked Questions: Is avobenzone safe for daily use? Yes, regulatory bodies confirm its safety within approved concentrations; however, prolonged or excessive exposure may pose minimal risk, so moderation is advised. Can avobenzone cause skin irritation? While generally well-tolerated, some users may experience mild sensitivity—especially if combined with other actives or used on very sensitive skin types. Why is avobenzone often paired with octocrylene? Because avobenzone degrades upon UV exposure, combining it with octocrylene enhances photostability and prolongs the protective effect of the formulation. Is avobenzone suitable for all skin tones? Absolutely—it blends seamlessly into various skin tones without leaving residue, making it ideal for inclusive skincare routines. What makes avobenzone different from zinc oxide or titanium dioxide? Unlike mineral filters that sit on the skin surface, avobenzone absorbs UV rays internally, offering invisible protection while maintaining a lightweight feel.