Tugain 10% Foam is a medication used to promote hair growth in men with male pattern baldness. It should be applied directly to the scalp area, following the specified amount and instructions, and may take 2-4 months to notice results. Side effects include itching, excessive hair growth, rash, and dermatitis, and it is not recommended for those under 18 or over 65, or those with certain medical conditions, such as high blood pressure or hair loss due to medications or nutritional deficiencies.