Most products in this set are labeled for normal skin; many also list dry and combination skin as appropriate.
Typical directions recommend pouring at least 2 cups of salt into warm, running bath water and soaking for about 20 minutes.
Many bath salts are sold in resealable or reclosable bags and pouches designed to lock out moisture and simplify storage.
Directions typically advise mixing a handful of salt with body wash and gently massaging it onto skin to exfoliate.
The listings mainly use magnesium sulfate (Epsom salt); some blends also include mineral-rich Pink Himalayan salt.
Options include unscented varieties and scented blends such as lavender, eucalyptus, spearmint (mint), bergamot, orange, and chamomile.
They are mainly used as warm bath soaks to relax and soothe muscles and to promote relaxation or sleep; some notes and reviews also recommend using salts as an exfoliant, and a few descriptions mention Epsom salts' traditional use as a saline laxative.