The leaves of the neem tree have antibacterial and antiviral properties, and are often used in cosmetic and skin products. It is an effective insect repellent, and its astringent properties make it an excellent treatment for skin conditions ranging from acne to eczema. It is used to treat ringworm and other parasitic skin infections and promotes healing of wounds.
The antibacterial and immune stimulant properties of the plant make it extremely useful in treating slow-healing cuts and especially for people who have compromised immune systems. The herb stimulates the production of collagen from the wound and minimises scarring.