Deodorants and Sunblocks

Because the skin is an absorptive organ, it makes sense to use least-toxic products on it.

Deodorants

Preservatives known as parabens, used in some deodorants and other personal-care products, have been found to stimulate the growth of breast-cancer cells much as estrogen does in lab tests. Now British researchers have discovered parabens in breast tumors in a form that indicates they may have come from underarm cosmetics. An editorial accompanying the study in the January 2004 issue of the Journal of Applied Toxicology says, "It is logical to suggest that application of oestrogenic agents [such as parabens] to areas adjacent to the breast may be an unnecessary risk in some women." In particular, the editorial suggests that sensitive groups such as adolescents and immediate relatives of breast-cancer patients "would be at most risk of continued exposure. . . ."

To avoid parabens, read labels. Methylparaben was found in by far the highest levels in the breast tumors. Below is a list of paraben-free deodorants recommended by Green Guide staff and readers.

Tom's of Maine, $3.99
Naturally Fresh Crystal, $6.95
Burt's Bees Herbal, $8.00
Mennen Speed Stick, Unscented, $2.99
Arm & Hammer Ultramax Active Sport, $3.29

—P. W. McRandle

Sunblocks

To prevent skin cancer, stay out of the sun when rays are most powerful (10 A.M.-4 P.M.) and cover up with clothing and hats. And apply UVB/UVA sunblocks with an SPF of at least 15. Note, however, some suspect ingredients. PABA and benzophenone can cause skin irritation. Benzophenone-3, homosalate and octy-methoxycinnamate (octinoxate) behave like estrogen in lab tests. Padimate-0 and titanium dioxide have caused DNA damage in lab tests. Most sunblocks also contain parabens.

What to do? DO use sunblock (except on babies younger than 6 months), as skin cancer from the sun is a very real threat. DO read labels. Choose zinc oxide, which is safe. Unlike such chemicals as benzophenone, which easily permeates skin, mineral UVA/UVB blocks such as zinc oxide and titanium dioxide lie on top of the skin and are not absorbed.

Some better blocks:

Zinc Oxide Ointment (no parabens), $2.50-$5.00
Epicuren Discovery Zinc Oxide Sunscreen, $29
U.V. Natural (zinc oxide, no chemicals), $15.95
Neutrogena Sensitive Skin Sunblock (titanium dioxide), $8-11
Mustela Bebe/Enfant (titanium dioxide, zinc oxide), $17
Clinique City Block (titanium dioxide), $14.50-$15.50.

For more info, see The Green Guide's Sunscreen Product Report and www.umm.edu/patiented/articles/what_sunscreen_guidelines_000020_4.htm.

—M. Pennybacker