Benzophenone-5 is a sodium salt of Benzophenone-4. It is used in cosmetics and personal care products to protect them from deterioration by absorbing, reflecting, or scattering UV rays. It is also used as a sunscreen ingredient to protect the skin from UV rays. Benzophenone-5 is a common ingredient in sunscreen and other personal care products, and it is also used in industrial applications such as paints, varnishes, and plastics.
Protects cosmetic products from deterioration by UV light Protects cosmetic products from damage caused by UV light Protects skin or hair from harmful UV radiation
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Benzophenone-5 can cause allergic reactions, such as redness, swelling, itching, and fluid-filled blisters. In severe cases, anaphylaxis may occur. Benzophenone-5 is also a potential endocrine disruptor, and it has been linked to reproductive and developmental problems in animal studies.
People who are allergic to benzophenone-5 should avoid using products that contain it. Benzophenone-5 should also be avoided by pregnant women and children.
Synthetic
The CIR Expert Panel evaluated the scientific data and concluded that Benzophenone-1, -3, -4, -5, -9 and -11 were safe for use in cosmetics and personal care products.
EWG's Skin Deep® score for Benzophenone-5 is 5-7, which is in the moderate hazard range. This score is based on concerns about allergies and immunotoxicity, irritation, use restrictions, and data gaps.
Benzophenone-5 is included in Annex VII, Part 1 (UV filter) of the Cosmetics Directive of the European Union. Oxybenzone may be used at concentrations up to 10%, and products containing 0.5% Oxybenzone when used in sunscreen products must be labeled “contains Oxybenzone.” Sulisobenzone and Sulisobenzone Sodium may be used at concentrations up to 5% as Sulisobenzone. Benzophenone-5 is restricted in cosmetics in Japan, with a concentration limit for use in some types of cosmetics. Benzophenone-5 is not suspected to be an environmental toxin, persistent, or bioaccumulative, according to Environment Canada's Domestic Substance List. Benzophenone-5 is used in personal care products such as lip balm and nail polish to protect the products from UV light. Derivatives of benzophenone, such as benzophenone-2 (BP2) and oxybenzone (benzophenone-3 or BP3) are common ingredients in sunscreen. Benzophenone is persistent, bioaccumulative and toxic (PBT). Benzophenone is widely used in household products, such as sunglasses, food packaging, laundry and cleaning products to protect from UV light. It can contaminate drinking water and migrate from food packaging into food. Benzophenone occurs naturally in some foods (such as wine grapes and muscat grapes) and is added to other foods as a flavoring. In personal care products, benzophenone is used as a fragrance enhancer or to prevent products such as soaps from losing scents and colors in the presence of UV light. Derivatives of benzophenones such as BP2 and oxybenzone (BP3) are used in sunscreens. Oxybenzone is used as an ultraviolet light absorber and stabilizer especially in plastics and sunscreen agents. Benzophenone and oxybenzone are also used in nail polish, and lip balm. Benzophenone is toxic to aquatic organisms. Oxybenzone is persistent and can collect in fat. Oxybenzone concentrations vary considerably by season, and may be especially high in areas where sunscreens are heavily used in specific months. In most cases, concentrations present low hazards to aquatic systems. However, in some of the hotspots (for example, San Diego County) concentrations may be high enough to raise concerns. Benzophenone-5 is a potential endocrine disruptor, and it has been linked to reproductive and developmental problems in animal studies.
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