Ключевые слова: acid, agent, alkaline, antacid, apply, attractive, beautiful, beauty, bicarbonate, black, brush, care, chemical, clean, cleaning, composition, concept, cosmetics, dental, ecological, environmental, girl, hand, healthy, holding, hygiene, lightening, medical, medicine, natural, neutralizer, object, oral cavity, pink, plastic, powder, product, soda, sodium, toothbrush, top, white,