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In September 2004 the EU implemented legislation that banned using over 1,000 chemicals of concern in personal care products. The prohibited chemicals were those known or strongly suspected of causing cancer, mutation, or birth defects. The EU ban has served being a wake-up demand many US companies who market a few overseas. In response some companies have replaced toxins in their goods, for example phthalates, parabens, and formaldehyde with non-toxic alternatives. For wild animals, showing teeth doesn't imply smiles on the camera and photographers. The only reason for their exposing teeth is because face-up with brutal situation leading to battles for food, dating mate and territory. These fightings are always very intense but it shows how nature occasionally works and indicates view of cruel life.