pulled muscle

Heat wraps and large adhesive patches are described as providing up to about 8 hours of pain relief.

Listings show a range of suggested ages (for example, "All Ages", "2 Years and Up", and "12 Years and Up") and include pregnancy warnings such as "Do not use if you are pregnant or nursing" or advisories to consult a doctor if pregnant or nursing.

Common active ingredients shown across these products include Arnica montana, menthol, capsaicin, camphor, methyl salicylate and topical magnesium.

Many products emphasize a cooling or menthol sensation; some use warming ingredients like capsaicin. Formulations vary from fragrance-free and non-greasy to lightly scented or moisturizing.

Gels are often described as non-greasy and quickly absorbed; some creams and body-butters are noted as moisturizing but still easy to spread for massage.