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 produces darker shades such as…
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 also called pseudofolliculitis barbae, is a skin condition that frequently occurs after hair removal, especially shaving. It involves inflammatory skin reactions caused by ingrown hairs…
Puberty is a crucial developmental phase in a person's life, during which the body transitions from a childlike 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 conditions and can indicate an infection, inflammation, or allergic reaction. Pustules…
Shaving is a hair removal process performed on the skin's surface. The goal is to remove or shorten 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 hairs grow into the skin instead of…
Shaving is a method of removing unwanted body hair using a shaving instrument, such as a razor, razor blade, or electric razor, to cut the hairs to the skin's surface…
Razor burn, also known as razor burn or razor irritation, is a common skin irritation that occurs after shaving. This irritation can manifest as redness, burning, itching, and sometimes small bumps or…
The ruby laser, which operates at a wavelength of 694 nanometers (nm), is among the first laser types 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 changes in hormone levels in the body. Pubic hair begins…
Seborrhea (or sebum) refers to an overproduction of sebum (skin oil) by the sebaceous glands of the skin. 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, primarily 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 pulsed light methods…
Radiation therapy and chemotherapy are two main forms of cancer treatment that differ in their approach and mechanism of action. Both methods can be used alone or in combination with other treatments such as…
