Ingredient
Butyl Methoxydibenzoylmethane (Avobenzone)
What is Butyl Methoxydibenzoylmethane (Avobenzone)?
Avobenzone is a chemical compound used primarily in sunscreens for its ability to absorb the full spectrum of UVA rays. It is synthesized from the organic compound dibenzoylmethane and is an oil-soluble ingredient.
Avobenzone is valued in products for its UV protection properties, helping reduce skin damage from sun exposure. However, while it is effective, there is some scientific debate about its stability; it may degrade in sunlight, requiring stabilizers to maintain effectiveness. Some studies have also examined the potential for avobenzone to penetrate the skin, although no definitive conclusions have been reached.
When reading product labels, know that avobenzone is often paired with other UV filters to create broad-spectrum sun protection. It's particularly important in products designed for extended sun exposure.
Commonly found in: sunscreens, moisturizers, lip balms, BB creams, foundations, day creams
What to watch
- Some reports suggest that avobenzone can degrade in sunlight, potentially reducing its effectiveness.
Benefits
- Avobenzone provides broad-spectrum UVA protection, important for preventing skin aging and cancer.
Avobenzone is approved by the FDA as a safe and effective active ingredient in sunscreens.
There is mixed evidence on the stability of avobenzone in sunlight and its potential skin penetration.
Avobenzone is a synthetic compound and generally considered vegan-friendly.
Sources: Final Monograph for Sunscreen Drug Products for Over-the-Counter Human Use
Scout's take
Chemical UV filter (avobenzone) added to keep the tinted juice from discoloring in the clear bottle. Documented photoallergen with mild estrogenic activity in cell and animal studies — concerning in a leave-on product applied to the neck and wrists daily.
More from Scout's analyses
Chemical UV filter added to prevent fragrance discoloration in clear bottles. Documented photoallergen; mild estrogenic activity in cell and animal studies. Unnecessary in a product that isn't a sunscreen.
from the analysis of Creed Aventus Eau de ParfumChemical UV filter (avobenzone) added to keep the tinted juice from discoloring in the clear bottle. Documented photoallergen with mild estrogenic activity in cell and animal studies — concerning in a leave-on product applied to the neck and wrists daily.
from the analysis of Louis Vuitton Pacific Chill Cologne PerfumeFound in 17 products
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