Products Sunscreens are preparations for external use that contain UV filters (sunscreen filters) as active ingredients. They are available as creams, lotions, milks, gels, fluids, foams, sprays, oils, lip balms and fat sticks, among others. These are generally cosmetics. In some countries, sunscreens are also approved as medicines. Which filters are approved varies from country … Sunscreen
The iris, or iris, is a pigment-enriched structure in the eye between the cornea and the lens that encloses the visual hole (pupil) in the center and serves as a kind of diaphragm for optimal imaging of objects on the retina. Muscles in the iris can regulate the size of the pupil and thus the … Iris: Structure, Function & Diseases
Brown spots on the skin have different causes. Not all types of this phenomenon need to be treated. Recognizing which type of brown spots is often only possible by a specialist. Danger to life is imminent in the case of skin cancer. What are brown spots on the skin? One form of brown spots on … Brown Spots on the Skin: Causes, Treatment & Help
Background Kinases (phosphotransferases) are a large family of enzymes involved in the transduction and amplification of signals on and in cells. They exert their effects by phosphorylating their substrates, that is, by adding a phosphate group to the molecules (Figure). Kinases have complicated names that are usually abbreviated: ALK, AXL, BCR-ABL, c-Kit, c-Met, ERBB, EGFR, … Kinase Inhibitors
Products Hydroquinone is commercially available in many countries as a drug product as a cream (combination preparation). Monopreparations are also available in some countries. Structure and properties Hydroquinone (C6H6O2, Mr = 110.1 g/mol) or 1,4-dihydroxybenzene exists as a white crystalline powder that is very soluble in water. It belongs to the diphenols or dihydroxybenzenes. Effects … Hydroquinone
Products Dactinomycin was commercially available as a lyophilizate (Cosmegen). It was approved in many countries since 1966 and was withdrawn from the market in 2012 on November 30 for commercial reasons. It can be imported from abroad if needed. Structure and properties Dactinomycin (C62H86N12O16, Mr = 1255.4 g/mol) is an actinomycin and phenoxazone derivative formed … Dactinomycin
Introduction A mole, known in medicine as a nevus, is a benign proliferation of pigment-forming cells called melanocytes. Liver spots are common and can be found in almost all people. The majority of liver spots are acquired, i.e. they only develop in the course of life. Liver spots that have existed since birth, i.e. are … Itchy liver spot
Symptoms Liver spots are sharply defined, varying in size and shape, brown to black colored spots of different localization, which normally do not cause any symptoms. Possible symptoms that can occur over time are a change in shape, size or color, as well as the sudden appearance of itching, weeping, pain, stinging and burning, and … Symptoms | Itchy liver spot
Itchy mole – indication of malignancy/skin cancer? The black skin cancer, also called malignant melanoma, is gaining more and more importance in the population. The number of new cases has risen dramatically in the last 50 years, which can be attributed to various factors. Many people therefore not only visit their dermatologist or family doctor … Itchy mole – indication of malignancy/skin cancer? | Itchy liver spot
Diagnosis The majority of liver spots are harmless new formations.Nevertheless, changes in liver spots, such as a change in shape, size or color, as well as the appearance of bleeding, itching, painful, weeping or new liver spots should be brought to the attention of the affected person and presented to a dermatologist (dermatologist). With the … Diagnosis | Itchy liver spot
Prognosis Since liver spots are usually harmless new formations, the prognosis of liver spots is usually good.If liver spots show changes, such as a change in shape, size or color, or if they begin to itch, weep, hurt or bleed, no statement can be made about the prognosis of the changed liver spot. Itching, painful, … Prognosis | Itchy liver spot
Introduction Everyone has moles and moles. A birthmark consists of a collection of cells that form pigments, called melanocytes or similar nevus cells. Birthmarks have an even tan, while nevus cells form a dot-like tan. Colloquially, both forms are called birthmarks. A birthmark can be flat or raised and differently browned. A birthmark can be … Black birthmark – How dangerous is it?
