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The longer the topical drug remains in the skin, the greater amount of it will be metabolized by the underlying enzymes. To reduce such an effect, the topical drug needs to remain on the skin for a shorter period of time. Also, certain amount of topical molecules needs to be applied to the skin and cause metabolic enzymes saturation. [5]
A medical professional administering nose drops Instillation of eye drops. A topical medication is a medication that is applied to a particular place on or in the body. Most often topical medication means application to body surfaces such as the skin or mucous membranes to treat ailments via a large range of classes including creams, foams, gels, lotions, and ointments. [1]
Drugs crossing the skin by this route must pass through the small spaces between the cells of the skin, making the route more tortuous. Although the thickness of the stratum corneum is only about 20 μm, the actual diffusional path of most molecules crossing the skin is on the order of 400 μm. [ 4 ]
A container with cream. Topical cream formulation is an emulsion semisolid dosage form that is used for skin external application. Most of the topical cream formulations contain more than 20 per cent of water and volatiles and/or less than 50 per cent of hydrocarbons, waxes, or polyethylene glycols as the vehicle for external skin application. [1]
Cream. A cream is a preparation usually for application to the skin.Creams for application to mucous membranes such as those of the rectum or vagina are also used. Creams may be considered pharmaceutical products, since even cosmetic creams are manufactured using techniques developed by pharmacy and unmedicated creams are highly used in a variety of skin conditions (dermatoses).
Sonophoresis also known as phonophoresis, is a method that utilizes ultrasound to enhance the delivery of topical medications through the stratum corneum, to the epidermis and dermis. Sonophoresis allows for the enhancement of the permeability of the skin along with other modalities, such as iontophoresis , to deliver drugs with lesser side ...
“Retinol is the most common OTC retinoid and most widely studied and evidence-based topical treatment for slowing down the skin’s aging process,” says Kristina Collins, MD, a board-certified ...
Topical glucocorticoids are the topical forms of glucocorticoids. Topical glucocorticoids are used in the treatment of many skin conditions. They provide anti-inflammatory, antimitotic, and immune-system suppressing actions through various mechanisms. [1] Hydrocortisone cream is a type of topical glucocorticoid that is commonly found on the market.