?6-Month Growth Guarantee? We are so confident that a LaseLocks laser hair growth system will work for you that you have 6-12 months to try the laser hair growth cap and if you do not get thicker, fuller hair, we will refund you(less 10% restocking fee). ?Safety?LaseLocks laser hair growth device is a safe and effective way to regrow hair without the use of dangerous drugs or invasive procedures. It's also another way to save you money(Long term continuous use of medications such as biotin supplements, minoxidil, and other hair growth products is also a huge expense). ?effective?Whether you're a man or a woman, you can grow thicker, fuller, and healthier hair fast with LaseLocks laser hair restoration technology. You can use it on its own or combine it with other hair loss treatments(such as biotin supplements, hair growth shampoo, biotin conditioner, foam, minoxidil, Propecia, finasteride, and other hair growth products). ?Easy to Use?: The default working time of the laser hair cap is 30 minutes. You only need to use it 2 to 3 times a week, and you can feel a significant improvement in treatment effect after 3 to 6 months. Please refer to the manual before use. ?FDA Approved?: LaseLocks laser hair helmet can increases the activity of adenosine triphosphate (ATP) in subcutaneous tissue, promotes tissue metabolism, helps improve blood circulation, sends oxygen and nutrients to hair follicles, effectively stimulate hair follicles, regulate oil secretion, accelerate hair growth, and enhance the strength, density, and elasticity of hair itself.