Pure & Natural Neem Leaves Powder Neem has been on earth for over 5000 years. Neem leaves are one of the most common elements used in traditional Ayurvedic remedies. Neem leaves are considered safe to for various ayurvedic and cosmetics formulations. In the thousands of years that people across India have been taking neem there have never been any reports of negative side effects from its leaves. Neem leaf is an essential ingredient in many Ayurvedic remedies. Indians have known for thousands of years that taking neem has many benefits. It is also very popular in cosmetics formulations for hair and skin.