Matrix Hair Spa Combo Of 2 with lowest price Suitable For: All Skin Type Within 6-8 business days However, to find out an actual date of delivery, please enter your pin code. A hair spa is a treatment that helps enhance the overall quality of your hair. It can be used to treat a variety of issues, such as dandruff, dry scalp, and hair loss. Its a great way to give your hair some much-needed TLC, and its something you can do on your own, without having to go to a salon.