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The Science Behind Sunscreen: The Role of UV Absorbers

The efficacy of modern sunscreens and personal care products hinges on sophisticated chemical formulations designed to protect human skin from the damaging effects of ultraviolet (UV) radiation. Central to this protection are UV absorbers – chemical compounds that selectively absorb specific wavelengths of UV light. Among the most widely recognized and utilized is 2-Hydroxy-4-methoxybenzophenone, commonly known by its INCI name, Oxybenzone, or its CAS number 131-57-7. As a leading supplier of fine chemical ingredients, we aim to provide clarity on its role and benefits.

Understanding UV Radiation and Skin Damage

The sun emits UV radiation in three main forms: UV-A, UV-B, and UV-C. While UV-C is largely absorbed by the Earth's ozone layer, UV-A and UV-B rays penetrate the atmosphere and can cause significant harm to the skin. UV-B rays are primarily responsible for sunburn, while UV-A rays penetrate deeper, contributing to premature aging, wrinkles, and an increased risk of skin cancer. Effective sunscreens must therefore block or absorb a significant portion of both UV-A and UV-B radiation.

How 2-Hydroxy-4-methoxybenzophenone Works

2-Hydroxy-4-methoxybenzophenone is classified as a broad-spectrum UV filter, meaning it is effective across a wide range of UV wavelengths, including both UV-A and UV-B. Its chemical structure allows it to absorb UV photons and then dissipate this energy as heat through molecular rearrangement. This process effectively prevents the UV radiation from reaching and damaging skin cells. Key advantages of this compound, which make it a preferred choice for formulators, include:

  • High Absorption Efficiency: It absorbs UV light very effectively, allowing for lower concentrations to achieve desired Sun Protection Factor (SPF) and PPD (Persistent Pigmentation Darkening) values.
  • Good Photostability: While some UV absorbers can degrade under prolonged UV exposure, Benzophenone-3 offers a reasonable degree of photostability, especially when formulated with other UV filters.
  • Cosmetic Grade Purity: Manufactured to meet stringent cosmetic grade standards, ensuring safety and efficacy for topical application.
  • Cost-Effectiveness: As a widely produced chemical, it offers excellent value for money, a crucial factor for mass-market cosmetic production.

Sourcing for Your Formulations

For cosmetic brands and contract manufacturers, securing a reliable supply of high-quality 2-Hydroxy-4-methoxybenzophenone is paramount. NINGBO INNO PHARMCHEM CO.,LTD. specializes in the production and supply of this critical ingredient. Our commitment to quality control ensures that our product meets stringent purity specifications, offering the performance and safety required for sensitive cosmetic applications. When you choose to buy from us, you are partnering with a manufacturer that understands the importance of consistency, reliability, and competitive pricing in the global chemical market. We are ready to provide quotes and samples to support your product development and manufacturing needs.

Manufacturing Facilities

NINGBO INNO PHARMCHEM CO.,LTD. was established in 2007. It is committed to the R&D, production and sales of raw materials, pharmaceutical intermediates and fine chemicals. We striving to create a high-efficiency and high-quality integrated chemical service platform to better serve domestic and foreign customers.

Professional Export Experience

to Global Customers

WHY CHOSE US?

1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;

2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;

3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).

FAQ

  • A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.

  • A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.

  • A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.

CONTACT US
Should you need to contact us; you may call during regular business hours, Monday through Friday, 8am – 6 pm.
NINGBO INNO PHARMCHEM CO.,LTD.
Address: No.163 Ruiqing Rd.,Ningbo 315000 China
Phone: 86-574-87319282
Fax: 86-574-27912196
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