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4-Methylbenzylidene Camphor

Enzacamene

4-Methylbenzylidene Camphor

Характеристики

INCI
4-Methylbenzylidene Camphor
Рус.
Enzacamene
CAS
36861-47-9, 38102-62-4
EC
253-242-6
IUPAC
(.+-.)-1,7,7-Trimethyl-3-[(4-Methylphenyl)Methylene]Bicyclo[2.2.1]Heptan-2-One
Функции
поглотитель ультрафиолетового излучения, уф-фильтр
Огр. ЕС
VI/18

Описание

4-Methylbenzylidene Camphor is a chemical sunscreen agent that protects in the UVB range (290-320 nm) with a peak absorbance at 301 nm. It is an oil-soluble powder that is slightly photo-unstable (it takes 65 minutes to lose 10% of its protecting power and 345 minutes to lose half of it), but it can still help to stabilize the famously unstable UVA filter, avobenzone. 

Regarding its safety, we do not have the best news. Two possible concerns are that it absorbs into the body and might have some estrogenic activity there. But do not panic, the latter one was only shown in rats and is probably not the case in humans. Still, this is a UV filter that is currently being phased out of use. It is not approved in the US and Japan, and the EU also banned it starting in 2026 (however it is approved in Australia up to 4%). 

Доказательная база и научные исследования

Научные публикации и источники 2
  • 1
    Schlumpf, Margret, et al. "Estrogenic activity and estrogen receptor β binding of the UV filter 3-benzylidene camphor: Comparison with 4-methylbenzylidene camphor." Toxicology 199.2-3 (2004): 109-120.
    Найти в PubMed
  • 2
    Pharmazie 62: 449–452 (2007), Study of the efficacy of 18 sun filters authorized in European Union tested in vitro

Встречается в продуктах (318 всего)

Уход за лицом
Солнцезащита для лица 81 Кремы и флюиды 26 Уход за губами 4 Сыворотки и эссенции 1
Уход за телом
Солнцезащита и автозагар 31 Кремы и лосьоны для тела 5
Декоративная косметика
База и тональные средства 23
Руки и ногти
Кремы для рук 3

Наиболее часто встречается в продукции Cancer Council (17 продуктов)

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Синонимы
4 - Methylbenzylidene Camphor (20 Mg / G) 4- Methylbenzylidene Camphor 4-Methylbenzylidene Camphor (1%) 4-Methylbenzylidene Camphor (2.5%) 4-Methylbenzylidene Camphor (2.50%) 4-Methylbenzylidene Camphor (2%) 4-Methylbenzylidene Camphor (3%) 4-Methylbenzylidene Camphor (30 Mg/G) 4-Methylbenzylidene Camphor (4%) 4-Methylbenzylidene Camphor (40 Mg/G) Enzacamene Enzacamene(Usp 3.5%)