Bemotrizinol丨CAS 187393-00-6

Bemotrizinol丨CAS 187393-00-6 is a broad-spectrum UV filter used in sunscreens and personal care products. It offers exceptional stability under sunlight and provides long-lasting protection against UVA and UVB radiation. Approved for cosmetic use in the European Union, Australia, and various other regions (but not yet in the U.S.), it is often found in premium sunscreens and daily skin protection products.

1. Sunscreen Formulations
a. Primary UV Filter
● Bemotrizinol丨CAS 187393-00-6 is used as a primary sunscreen active ingredient in oil-based formulations. It absorbs harmful UVA and UVB rays, which can lead to sunburn, premature skin aging, and skin cancer.
b. Broad-Spectrum Coverage
● Unlike many UV filters that focus on one range, Bemotrizinol offers full-spectrum UV protection, making it an ideal standalone or synergistic filter in multi-filter sunscreens.
c. Photostable Ingredient
● Its extraordinary photostability prevents it from breaking down when exposed to sunlight, ensuring sustained protection during prolonged sun exposure.

2. Daily Skin Care Products
a. Moisturizers and Lotions with SPF
● Used in daily wear cosmetics, including moisturizers, BB creams, and anti-aging products that include SPF protection, Bemotrizinol provides reliable sun defense while maintaining light skin feel and non-greasy texture.
b. Makeup Products
● Included in foundations, primers, and compact powders with sun protection claims, especially those targeting users with sensitive or mature skin.

3. Hair Care and Leave-On Products
● Bemotrizinol is also added to hair sprays, conditioners, and leave-in treatments to protect hair fibers and scalp from UV damage and color fading due to sun exposure.

√ uperior Broad-Spectrum Protection
● Bemotrizinol丨CAS 187393-00-6 absorbs both UVA and UVB radiation effectively, offering comprehensive sun protection across the full UV range (280–400 nm).
● UVA protection is essential for preventing photoaging, pigmentation, and long-term skin damage.
√ Exceptional Photostability
● Unlike some UV filters that degrade quickly under sunlight (e.g., Avobenzone), Bemotrizinol is highly photostable.
● It helps stabilize less stable UV filters when used in combination, enhancing the overall efficacy of the formulation.
√ afe and Non-Irritating
● Studies show that Bemotrizinol has low skin penetration and is well-tolerated, even by individuals with sensitive skin.
● It is considered non-irritating, non-sensitizing, and non-comedogenic, making it suitable for daily use on the face and body.
√ ynergistic Effects
● Works synergistically with other UV filters like Avobenzone, Octocrylene, and Tinosorb S (Bisoctrizole) to improve broad-spectrum protection and stability.
● Enhances the effectiveness of the entire UV filter system in the formulation.
√ Oil-Soluble – Ideal for Water-Resistant Formulas
● Being oil-soluble, Bemotrizinol is ideal for use in water-resistant sunscreens, sport formulations, and beachwear products where durability and protection under sweating or swimming are required.
√ Approved and Widely Used Globally
● Although not yet FDA-approved for use in the United States, Bemotrizinol is approved in the EU, Australia, Asia, and many other regions.
● It is a go-to choice for premium and dermo-cosmetic brands worldwide.

Conclusion
Bemotrizinol丨CAS 187393-00-6 is a high-performance, broad-spectrum UV filter that offers excellent photostability, low irritation potential, and superior skin protection. Its versatility in sunscreens, daily skincare, and cosmetics makes it a preferred choice for formulators in regions where it is approved.