There are two main types: volumizing root-lift sprays that add lift and body at the scalp, and temporary root-color sprays that conceal gray or new growth until the next shampoo.
Volumizing root sprays typically come as lightweight sprays or spray‑to‑mousse formulas that target the roots. They’re formulated to add lift and texture while remaining non‑sticky and not weighing hair down; check product labels to confirm suitability for fine, textured, or coarse black hair.
Root sprays are sold in various sizes, from small travel bottles to larger cans. Common net weights in listings range from about 1.6 ounces up to around 7 ounces.
Temporary root‑color sprays generally last until the next shampoo or wash — they provide coverage that washes out with your normal cleansing routine.
Root products are offered as standard pump sprays, aerosol sprays, and spray‑to‑mousse formats that convert to a mousse on application for targeted root support.
Common warnings include flammability for aerosol formulas, instructions to use with adult supervision for certain products, and advisories to keep products out of reach of children.