If your hair is getting thinner, you may be wondering if hair extensions can help. The answer is yes, but it depends on the condition of your hair and scalp. While hair extensions can add instant volume, they are not the best choice for everyone with thinning hair. Before getting extensions, it's important to understand the cause of your hair loss. In some cases, extensions may actually make thinning hair worse if they are not applied correctly. Here's what you should know be