When it comes to hair extensions, there are a few things you need to keep in mind in order to maintain them. First and foremost, you need to be gentle with your extensions. brushing them too hard can cause them to fall out. 

Secondly, you need to be careful about what products you use on your extensions. Some products can cause buildup, which can make your extensions look dull and weighed down. That’s why we’ve put together a list of the best hair serum for hair add-ons. These serums will help keep your extensions looking healthy and shiny.

If you have color-treated hair extensions, you’ll want to use a color-safe serum like the Vibrancy Protecting Serum. This serum is designed to help protect color-treated hair from fading. It also features UV filters that help keep your hair looking shiny and healthy.

For dry or damaged hair extensions, it is recommended to use the Treatment Light. This lightweight oil helps hydrate and nourish dry, damaged hair. It’s also great for taming frizz and flyaways. Simply apply a few drops of this oil to your hands and run it through your Extensions before styling as usual.

If you have fine hair extensions, you might want to try the Invisible Oil Heat/UV Protective Primer. This primer contains lightweight oils that help add shine. These serums will help keep your extensions healthy and looking their best.