Guajava - Guajava demonstrates antifungal, antibacterial, anti-inflammatory, laxative, and analgesic properties. It is used to treat herpes ulcers, ringworm, dermatitis, and urinary tract infections. Guajava is related to cassia and senna, and contains anthraquinones found in those other species as well.
Vitamins B, particularly biotin (vitamin B7) and B12 are important to keep healthy nails. If your nutrition lacks in vitamins B, nails will be dry and brittle. Vitamin C deficiency is associated to brittle nails and may cause infections of nail tissues.
Malnutrition can result in brittle fingernails that crack and split. Fingernails are composed of a strong protein called keratin that allows the nails to grow long without splitting or cracking.In order for keratin to produce strong nails, the body must be functioning properly.alnutrition can result in brittle fingernails that crack and split. Fingernails are composed of a strong protein called keratin that allows the nails to grow long without splitting or cracking.