Ingredient
Benzophenone-4
What is Benzophenone-4?
Benzophenone-4 is a chemical compound commonly used in skin care products as a UV filter. It helps to protect products from UV light-induced degradation, thereby increasing the shelf life of these products. Benzophenone-4 is synthesized through chemical reactions involving benzoic acid derivatives.
This ingredient is utilized primarily for its ability to absorb ultraviolet light, shielding the skin and the product itself from UV radiation. Some studies suggest it can cause skin irritation or allergies in sensitive individuals, although these reactions are not widespread. Overall, the scientific consensus on its safety is mixed but leans towards cautious use in cosmetic formulations.
When you see benzophenone-4 on a label, it usually indicates the product is designed to offer some level of UV protection, though it may not replace the need for a dedicated sunscreen.
Commonly found in: sunscreens, moisturizers, lotions, makeup, hair sprays
What to watch
- May cause skin irritation in sensitive individuals.
- Potential to cause allergic reactions, though rare.
Benefits
- Acts as a UV filter to protect products and skin from sun damage.
FDA allows its use in cosmetics but suggests monitoring for skin irritation.
Research indicates it can be a mild irritant, but used widely without significant adverse effects.
Benzophenone-4 is not derived from animal sources, making it suitable for vegan products.
Sources: OTC Sunscreen Monograph
Scout's take
UV stabilizer in the oxybenzone family. EU SCCS opened a benzophenone re-evaluation in 2021 over endocrine-disruption concerns.
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