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Advanced Sun Defense: Benzophenone-4

Benzophenone-4, also known as BP-4, is a commonly used ingredient in cosmetics and personal care products. Its main function is to absorb and block ultraviolet (UV) radiation, providing protection against the harmful effects of sunlight. Benzophenone-4 is found in sunscreens, moisturizers, lotions, and hair care products, offering effective UV protection and preventing sunburn. When used within approved concentrations,it is considered safe for topical use and plays a crucial role in protecting skin and hair from potential damage caused by sun exposure.

  • Grade:

    Cosmetic Grade
  • CAS No:

  • EINECS No:

  • Shelf life:

    2 Years
  • Appearance:

    Off-white or light yellow crystalline powder
  • Package:

  • Content:


Benzophenone-4, also known as BP-4, is a widely used component found in various beauty and personal care products. Its primary function revolves around effectively absorbing and filtering ultraviolet (UV) light, specifically targeting UVA and UVB.

Recommended Application:

Sunscreens:In the formulation of sunscreens, benzophenone-4 plays a pivotal role by aiding in shielding the skin against harmful UV rays through absorption and diffusion of their energy. This mechanism reduces the likelihood of sunburn and damage caused by UV radiation.

Hair care products:Benzophenone-4 frequently finds its way into an assortment of hair care products, including shampoos, conditioners, and styling aids. It serves the purpose of providing protection against UV radiation, thereby safeguarding the hair's color integrity and preventing damage that can arise from exposure to the sun.

Lip balms and lipsticks:The vulnerability of the delicate lip skin to sun-induced damage necessitates the incorporation of benzms and lipsticks, which offer protection against UV rays. This ensures that the lips remain well-moisturized and shielded from the adverse effects of sun

Facial moisturizers and creams:Benzophenone-4 often features in facial moisturizers and creams as an additional measure of UV protection. By including this ingredient, these products help fortify the skin's defense against the damaging effects of sun exposure, such as premature aging and uneven pigmentation.

Nail products:Some nail polishes and nail care products utilize benzophenone-4 to protect the nails from the harmful effects of UV radiation. This protective action helps prevent discoloration and weakening of the nails that can occur due to sun exposure.

Appearance----------------------------------------------------------------------------Off-white or light yellow crystalline powder
Assay (HPLC)---------------------------------------------------------------------------97.0-103.0%
Melting point---------------------------------------------------------------------------62.0-65.0℃
Congealing Temperature----------------------------------------------------------≥62.0℃
Total Impurities------------------------------------------------------------------------≤1.0%
Single largest unspecified impurity-----------------------------------------------≤0.10%
Residual Solvents----------------------------------------------------------------------Ethanol≤5000 PPM
Odor-------------------------------------------------------------------------------------Similar in character and intensity to standard, very slight odor
UV absorption coefficient (1%, 1cm)E288----------------------------------------≥630
UV absorption coefficient (1%, 1cm)E325----------------------------------------≥410
Loss on drying---------------------------------------------------------------------------≤0.2%
Gardner color----------------------------------------------------------------------------≤4.0
Heavy metal-----------------------------------------------------------------------------≤5 ppm

Q:What's your delivery time?

A:Usually we will arrange the shipment in 7 -15 days.

Q: Are your cosmetics raw materials safe for use in cosmetics?

A: Yes, our cosmetics raw materials are carefully selected and tested to ensure they meet the highest safety standards. We source our raw materials from reputable suppliers and comply with all relevant regulations and guidelines to ensure the safety and quality of our products.

Q: Can you provide technical support or guidance on using your cosmetics raw materials?

A: Yes, we offer technical support and guidance to our customers. Our team of experts can provide formulation advice, usage instructions, and answer any technical questions you may have about our cosmetics raw materials.

Q: Do you offer samples of your cosmetics raw materials for testing?

A: Yes, we understand the importance of testing raw materials before making a bulk purchase. We offer samples of our cosmetics raw materials for testing purposes, so you can evaluate their quality and suitability for your formulations before making a larger order.

Q: Do you offer customization or private labeling of cosmetics raw materials?

A: Yes, we offer customization and private labeling services for cosmetics raw materials. Please contact our sales team for more information on how we can tailor our products to meet your specific needs.

Q: What is the shelf life of your cosmetics raw materials?

A: The shelf life of our cosmetics raw materials may vary depending on the specific ingredient. We provide information on the recommended shelf life and storage conditions for each raw material, and it's important to follow these guidelines to ensure the stability and effectiveness of the product.


FarmaSino  Co., Ltd. 

Building5,No.9 Weidi Road, Nanjing(210033),China

Email : sales2@farmasino.com

Whatsapp : +86 18662728072

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