Ingredient
Octinoxate (Ethylhexyl Methoxycinnamate)
What is Octinoxate (Ethylhexyl Methoxycinnamate)?
Octinoxate is a chemical compound that is commonly used as an active ingredient in sunscreens. It works by absorbing ultraviolet (UV) radiation, specifically UVB rays, thereby protecting the skin from sunburn and damage.
Apart from its sun-protective properties, octinoxate is often included in skincare products for its ability to stabilize other UV filters. However, there are concerns about its environmental impact, particularly its potential to contribute to coral reef bleaching. Some scientific studies have also raised questions about its potential as an endocrine disruptor, although these findings are not universally accepted.
When checking a product label, it's worth noting that octinoxate is among the ingredients scrutinized both for human health and environmental reasons. Consumers interested in reef-safe or hormone-friendly products might seek alternatives.
Commonly found in: Sunscreens, Moisturizers with SPF, Skin creams, Lotions, Lip balms, Facial powders with SPF
What to watch
- Some studies suggest octinoxate may act as an endocrine disruptor.
- There is concern about its contribution to coral reef bleaching.
Benefits
- Effectively absorbs UVB radiation, aiding in sun protection.
The FDA approves octinoxate as a safe and effective sunscreen ingredient.
While effective at UV protection, evidence is mixed regarding its endocrine-disrupting potential.
Octinoxate is synthetic and not derived from animal products, making it generally acceptable for vegans.
Sources: Evaluation of the Safety and Efficacy of Octinoxate as a Sunscreen Active Ingredient
Scout's take
Chemical UV filter banned in Hawaii and Key West reef-protection laws. Documented endocrine-disrupting activity in vitro and in animal studies; readily absorbed through skin and detected in plasma at concentrations exceeding the FDA's 0.5 ng/mL safety threshold.
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