Leejan Neem Facial Neem leaves are very beneficial for the skin. If you have any type of allergy or wound anywhere on the body, Leejan neem facial paste with water and applied to the affected area in the morning and night will go away in 7 days. Make a paste of 1 teaspoon of neem facial powder with water and apply it all over the face once a day for 15 minutes, it will increase the smoothness and brightness of the skin. Acne and Blemishes – Blemishes will disappear. Skin will be allergy free.