Homeopathic Tissue Remedy For Temporary Symptomatic Relief of Acidity & Skin Ailments Silica is a natural cleanser & eliminator. It can often initiate the healing process by prompting suppuration and breaking up accumulations. Pus formations, brittle nails, lackluster nails, weak hair, and offensive perspiration of the feet and armpits are indications for Silica. Symptoms are generally worse at the beginning and end of the day, with cold, from washing and during menstruation, and better from heat and humid wet weather. Indications: Acidity: Gastric disturbances, irritation of the skin and mucous membranes, twinges or rheumatism, headaches and a persistent feeling of tiredness, are all symptoms of acidity. Silica may be indicated by an upset stomach with gas, heartburn, and chilliness. Skin Ailments: Silica may be indicated in skin conditions with thick, yellow discharges, itching in scalp, and falling off of the hair.