Ask Moxie is hosting a really good discussion on the Environmental Working Group's (EWG) sunscreen guide for 2010.
Main take-away:
Some reader's perspectives:
- From Cloud:
- From paola:
When it comes to sunscreens, avoid the following: benzophenone 3: absorbed through the skin. Can cause allergic reactions, foto- sensitivity, hormonal problems.
PABA: will be banned in EU as from October for same reasons as benzophenone 3.
methylbenzylidencamphor: studies on animals suggest it effects thyroid function. Penetrates the skin barrier and can cause allrgies.
Source: Italian Consumer magazine Altroconsumo, June 2010.
- From Jenna:
Mexoryl or Tinosorb are the only two sunscreen ingredients that are actually effective at blocking UVA. Avobenzone (aka Parsol), the UVA blocker used in most US sunscreens, actually degrades in sunlight. Though the FDA finally approved Mexoryl a few years ago, it's still nigh impossible to find a sunscreen with Mexoryl here in the US. According to the EWG report, Tinosorb still isn't approved yet.
If this concerns you, be sure to read the ingredient list on every formulation of your favourite brand. Ingredients change formulation to formulation, including but not limited to the addition of chemicals in children's formulations that are not present in the adult brand.
A bit about
chemical and mineral sunscreens at Venusian Glow.
For more about sunscreen, read the Skin Cancer Foundation's answer to the question
What are the basic sunscreen ingredients, and what protection does each offer?
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