Correct option is B
The chemical formula of Borax is Na₂[B₄O₅(OH)₄]8H₂O.
The best-known use for borax is as a cleaner, but it is also used in many other household products, including:
Specialty toothpaste and mouthwashes.
Cosmetics such as lotions, skin creams, moisturizers, sunscreen, and acne care products.
Paint and ceramic glaze.
Herbicides.