Among the ingredients that would be forbidden in personal care products in the event the Colorado bill passes are di (2-ethylhexyl) phthalate (DEHP) and 5-methoxypsoralen. DEHP is listed by the National Toxicology Program as “reasonably anticipated to be a human carcinogen”. Well, who wants phthalates in their products anyway?

I hate to be the bearer of bad news, but cold-pressed citrus oils like bergamot contain about 1 ppm of DEHP, because it leaches out of plastic tubing used in the extraction process. One part per million in a citrus oil isn’t much, and once that oil is incorporated into a product, the 1 ppm turns into less than 10 ppb. But, here’s the problem – zero tolerance on DEHP (as is being proposed in Colorado) would mean no more cold-pressed citrus oils in any personal care products.

MandarinBergapten (5-methoxypsoralen) is also found in citrus peel and cold-pressed citrus oils. It is listed by the International Agency for Research on Cancer as “probably carcinogenic to humans”. What they forgot to add was “but only in the presence of UVA”. So, if you have bergapten in a sun cream or other leave-on product, there might be a problem, but not in a shampoo or shower product.

This is why the International Fragrance Association has set a limit of 15 ppm for bergapten, but only in leave-on products. Don’t allow the state of Colorado to ban citrus oils out of hand! Go to Facebook page here. (Safe cold-pressed citrus oil use for leave-on products: bergamot 0.4%, lime 0.7%, orange 1.25%, lemon 2.0%, grapefruit 4.0%).

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