Assertion: sodium hydroxide | /r/ObjectUse | used in the formulation of soaps
Facets:
value: historically
type: TEMPORAL
Source sentences:
text: Sodium hydroxide was historically used in the formulation of soaps, but is currently seen in a variety of formulas, including bath products, cleansing products, fragrances, foot powders, hair dyes and colors, makeup, nail products, personal cleanliness products, shampoos, shaving products, depilatories, skin care products.