Power Spray is for anyone who needs a style — an updo, a blowout, a curl set — to hold through a long day or humid climate, rather than a light, flexible hairspray for loose, natural movement. It works on most hair types and textures, and because the hold is firm, it suits people setting a defined style more than those wanting soft, touchable volume with lots of movement. No professional styling background is needed, though the firm hold means it's better suited to finished looks than everyday tousled styling.

The core case for Power Spray is fast dry-down combined with long hold in one can: a lot of firm-hold hairsprays either stay tacky for a while after application or lose their hold as humidity rises through the day. Joico's copolymer-and-fast-evaporating-alcohol base is built to avoid both problems, with hold rated to survive up to 72 hours of humidity exposure — making it more of a "set it and it stays set" product than a touch-up spray.

Shake the can well before use. Hold it 8–10 inches (20–30 cm) from dry, styled hair and spray evenly. For extra-firm hold, let the first layer dry briefly and mist again.

Pros: dries down fast into a fine, low-tack mist that holds firmly without the wet, sticky stage some aerosols go through; humidity resistance is a real practical benefit in frizz-inducing weather.

Cons: it's a firm-hold product, not built for soft, brushable, natural-movement volume, so brushing through it later can feel stiffer than with a light-hold spray, and it's better used as a finishing step than worked in mid-style; as an aerosol with a hydrofluorocarbon propellant, it's not a pump or non-aerosol option for anyone avoiding aerosol propellants specifically.