What are ointment bases with examples?

Typical ointment bases comprise petrolatum and mineral oil, or petrolatum and waxy/fatty alcohol combinations, the ratio and grades of these components being selected to give the desired finished product viscosity/spreadability. Proprietary ointment bases are also available (e.g., Ointment Base No.

What is the types of ointment base?

There are three major types of ointment bases: oleaginous (greasy) bases, which are water repellent; water-absorbing bases, which are greasy but allow absorption of water, and water-miscible bases (vanishing creams or water-soluble bases).

What ointment means?

: a salve or unguent for application to the skin specifically : a semisolid medicinal preparation usually having a base of fatty or greasy material.

What is ointment example?

Ointments are preparations for external use, intended for application to the skin. Typically, they have an oily or greasy consistency and can appear “stiff” as they are applied to the skin. Ointments contain drug that may act on the skin or be…

What are the four types of ointment base?

Ointment bases are classified into four general groups: (1) hydrocarbon bases, (2) absorption bases, (3) emulsion or water-removable bases, and (4) water-soluble bases (Table 23.1).

What are the types of ointments?

Types of ointment base:

  • Hydrocarbon (Oleaginous) Bases. Liquid petrolatum gelled by the addition of polyethylene.
  • Absorption Bases.
  • Water–Removable (Water-Washable) Bases or emulsion base (O/W emulsion bases)
  • Water–Soluble Bases.

What is ointment base in pharmacy?

How is ointment base selected?

Typical ointment bases comprise petrolatum and mineral oil, or petrolatum and waxy/fatty alcohol combinations, the ratio and grades of these components being selected to give the desired finished product viscosity/spreadability.

What is ointment made of?

Ointments consist of any one or a combination of hydrocarbons, mineral oils, lanolin and polymers such as polyvinyl alcohol, carbopol and methylcellulose.

What is the difference between cream and ointment?

Both creams and ointments can have medicinal or cosmetic uses. The primary difference between the two lies in the ratio between oil and water. While a cream has equal parts oil and water, ointments contain about 80 percent oil.

Which ointment bases are suitable for dry skin?

Cold cream is employed as an emollient and ointment base. For example, Eucerin cream is a w/o emulsion of petrolatum, mineral oil, mineral wax, wool wax, alcohol, and bronopol. It contains urea as the active ingredient and is used to help rehydrate dry, scaly skin.