Hair regrowth treatments often take time, and with medicines like Hair4U 5% solution and Finax, visible improvement usually takes at least 4-6 months, sometimes longer. It is important to use them regularly and correctly without skipping doses. If you are not seeing satisfactory results, your doctor may check for other factors like nutritional deficiencies (iron, vitamin B12, vitamin D), hormonal issues, or stress, which can affect hair growth. Additional options may include adjusting the dose, adding treatments like microneedling, platelet-rich plasma (PRP) therapy, or low-level laser therapy, depending on your condition. Maintain a protein-rich diet, get adequate sleep, and manage stress. Avoid frequently changing products, as consistency is key, and follow up with your dermatologist to tailor the treatment for better results.