Dark self-tanners are commonly sold in lotions, oils, mousses, foams and gels.
Most instructions and reviews recommend using a tanning mitt or glove and applying the product in long, sweeping strokes from head to toe; some users prefer gloves over mitts for a finer finish.
Instructions vary by formula: some express or rinse-off formulas advise washing or rinsing after about 1 hour (with the option to leave on longer for a deeper tan), while other clear gels and leave-on formulas state no rinse is required.
Many products report noticeable darkening in about 1 hour. For a deeper result, several brands advise leaving the product on longer—examples include leaving foams on for two to three hours or following guidance to leave on for 4+ hours as directed.
Shade descriptions commonly include terms such as dark, extra dark/extra deep, ultra dark, and marketing labels like "darkest" or "maximum glow" to indicate very deep finishes.
Frequently seen labels include paraben-free, sulfate-free, phthalate-free, vegan, cruelty-free and gluten-free. Some listings also note aluminum-free, formaldehyde-donor-free, propylparaben-free and PABA-free.
Many listings advertise fast absorption or quick-drying textures, using phrases like "fast-absorbing," "touch-dry in seconds," "fast drying" and "weightless" to describe rapid dry or lightweight finishes.