For example, phthalates are
chemicals often used in cosmetics and are known to
disrupt hormones in the body — leading to reproductive disorders, metabolic disorders, and even behavioral disorders.
The major choice in the U.S. is between «
chemical» sunscreens, which have inferior stability, penetrate the skin and may
disrupt the body's hormone systems, and «mineral» sunscreens (zinc and titanium), which
often contain micronized — or nano - scale particles of those minerals.