Pheomelanin is one of the two main types of melanin, the natural pigment found in the hair, skin, and eyes of humans and animals. Unlike eumelanin, which has dark shades like…
Photosensitizing drugs are substances that increase the skin's sensitivity to ultraviolet (UV) radiation from the sun or artificial light sources. This increased sensitivity can lead to faster burning of the…
Selective photothermolysis is a technology used in dermatological and aesthetic medicine to treat specific skin problems and conditions by heating targeted tissues with light energy. The principle…
Pili trianguli et canaliculi, also known as uncombable hair syndrome or “uncombable hair syndrome”, is a rare genetic disorder characterized by dry, frizzy, dull and often light blonde hair,…
Proteins are large, complex molecules that play a central role in the cells of all living organisms. They are made up of amino acids linked by peptide bonds, and their structure determines their…
Pseudofolliculitis, often referred to as pseudofolliculitis barbae, is a skin condition that often occurs after hair removal, especially after shaving. These are inflammatory skin reactions caused by ingrown…
Puberty is a crucial developmental period in a person's life during which the body transitions from a childlike state to an adult state. This phase is characterized by physical, psychological and...
Pustules are small pus-filled blisters or bumps on the skin. They are a common symptom of various skin diseases and can indicate an infection, inflammation or allergic reaction. Pustules…
Shaving is a process of hair removal performed on the surface of the skin. The goal is to remove or trim unwanted body hair to achieve a smooth skin feel or…
Razor bumps, also known as pseudofolliculitis barbae, are small, inflamed bumps on the skin that often appear after shaving. These skin irritations occur when cut hair grows into the skin instead of...
Shaving is a method of removing unwanted body hair that involves using a shaving instrument, such as a razor, razor blade, or electric shaver, to remove the hair from the surface of the skin…
Razor burn, also known as razor burn or shaving irritation, is a common skin irritation that occurs after shaving. This irritation can present with redness, burning, itching and sometimes small pimples or…
The ruby laser, which operates at a wavelength of 694 nanometers (nm), is one of the first types of lasers used for laser hair removal. This type of laser uses ruby crystals as a medium…
Pubic hair is the hair that grows in the genital area during puberty. This hair growth is one of the secondary sexual characteristics triggered by the changes in hormone levels in the body. Pubic hair begins...
Seborrhea (or seborrhea) refers to excessive production of sebum (skin oil) by the skin's sebaceous glands. This condition is often associated with oily skin and scalp and can...
Seborrheic dermatitis is a chronic skin condition characterized by redness, scaling, and sometimes itching, especially in areas with a high density of sebaceous glands. These areas include the scalp,…
Silk amino acids, also known as silk peptides, are a form of amino acids derived from silk, specifically the cocoon of the silk moth (Bombyx mori). They consist of a chain of amino acids…
Selenium is an essential trace mineral that plays an important role in human health, including maintaining healthy hair. It contributes to the body's antioxidant defense by increasing the activity…
SHR stands for “Super Hair Removal”, an advanced hair removal technology that represents an evolution of traditional IPL (Intense Pulsed Light) methods. SHR combines laser technology with the advantages of pulsating light methods,…
Radiation and chemotherapy are two main forms of cancer treatment that differ in their approach and mechanism of action. Both methods can be used either alone or in combination with other treatments such as…
