Common formats include spray mists (setting sprays), cream primers, and tube-style primers.
Typical sizes range from about 1.01 fl oz up to around 2.7 fl oz.
Sprays: Hold the bottle about 8–10 inches from your face, mist in a downward or zig-zag motion, and let it dry on its own. Cream or tube primers: Apply an even layer to clean, moisturized skin and allow it to set before applying makeup.
They can prime the skin before makeup, set or lock makeup in place, refresh the skin during the day, provide hydration, and in some formulations offer sun protection.
Many products are labeled for all skin types (and some for all skin tones). Others specifically list normal, dry, oily, sensitive, combination, mature, acne-prone, or very dry skin.
Duration varies by formula: many setting sprays advertise all-day wear or up to about 16 hours, while some primers list extended wear—with some examples noting up to roughly 18 hours.
Yes. Some dewy primers include SPF 30 broad-spectrum protection, including mineral-based SPF 30 formulas; options are sometimes described as tinted or formulated to avoid a white cast.