Dear EarthTalk: I always hear about hair products and sprays that claim to be natural and organic based.

Author:Scheer, Roddy

Dear EarthTalk: I always hear about hair products and sprays that claim to be natural and organic based. What are some hair products that can be purchased that are legit and cause no harm to the environment?--Penny Siegel, Milwaukee, WI

Many common hair care products, including shampoos, conditioners and hair sprays, can pose health hazards. Most of the shampoos for sale on supermarket and drugstore shelves use a chemical called sodium laureth sulfate (or one of its derivatives), a foamy de-greaser that can cause follicle, skin and eye irritation, and which has been linked to some cancers when combined with other common shampoo ingredients.

Meanwhile, mass-market conditioners typically rely on so-called quaternary compounds to produce thicker, silkier and tangle-free hair, but these chemicals can also irritate the skin and eyes and likewise have been linked to cancer. As for hair spray and other styling products, most work by coating the hair with polyvinylpyrrolidone (PVP), a plastic polymer that has been dissolved in solvents to keep it flexible. Environment Canada, Canada's counterpart to the U.S. Environmental Protection Agency, classifies PVP as a medium health priority, although phthalates, triethanolamine, parabens and other hair spray ingredients may be more harmful, having been linked to respiratory, immune and endocrine problems as well as cancer.

Luckily for those who spend a lot of time and money getting their hair to look, smell and feel just right, a wide range of greener, healthier hair care products has emerged in recent years. Aveda has been a pioneer in the industry ever since Horst Rechelbacher launched the company in 1978 after visiting India and witnessing the healing powers of Hindu medicine and aroma. Today the company offers seven hair product lines tailored to different hair types, with the majority of the ingredients derived from plants, nonpetroleum minerals or other natural sources. Furthermore, upwards of 89 percent of the essential oils and raw herbal ingredients Aveda uses in its hair cars products are sourced from certified...

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