● Lipids: Oil soluble substance, an important component of the barrier. ● Lubricants: Topical preparations containing fats or oils used to help hydrate and protect the skin by trapping water within the stratum corneum, making skin more pliable. ● Lymphatic system: The network of vessels through which lymph drains from the tissues into the blood. ● Massage: A manual or mechanical manipulation of muscles, tendons, ligaments and tissues, both surface and deep layers of these, which will benefit for these manipulations by rubbing, kneading or other methods. ● Melanin: Skin pigment; a defense mechanism to protect the skin from the sun. ● Melanocytes: Cells that produce pigment granules in the basal layer. ● Moisturizer: A lotion or cream used to prevent dryness in the skin. ● Nails (pitted): Small depressions in the nail plates, typically found in psoriasis. ● NSAIDs: Non-steroidal anti-inflammatory drugs, used to treat inflammation. ● Nodules: Sometimes referred to as tumors, but are smaller bumps caused by scar tissue, fatty deposits, or infection. ● Ointment: A greasy, semi-solid substance that is placed on the skin either to apply drugs or to provide a protective barrier. ● OTCs: Over the counter, by ordinary retail purchase without the need for a prescription. ● Parabens: Most widely used preservative in cosmetics, food, drugs. ● Papules: Small bumps that may be red, white, or flesh- colored. ● Plaques: Small, distinct raised patch resulting from damage. ● Pathogens: A bacterium, virus or other microorganism that causes disease. ● Patch: A flat area of skin larger than 1 cm in diameter that differs in color from the skin around it. ● Petroleum jelly: An inexpensive oily substance, used in products to treat chapped, dry or raw skin, commonly used as an ointment base, a protective emollient to soften the skin. ● Phototoxicity: A condition in which a person experiences an adverse reaction after ingesting or applying a substance, then exposing the skin to sunlight. ● Pollution: The presence in or introduction into the environment of a substance that has a harmful or poisonous effect. ● Pruritus: The Latin medical term for itch. ● Psoriatic arthritis: Like, but milder than rheumatoid arthritis, associated with psoriasis, primarily affecting the hand joints. ● Psoriasis: A hereditary skin condition characterized by scaly, red plaques, mostly on elbows, knees and scalp. ● Pustule: A small pus-containing skin blister found on the skin that may or may not be caused by infection. ● Rash: The popular term for a group of spots or red, inflamed skin that is usually temporary. ● Rhinoplasty: An operation that alters the nose structure, sometimes to correct a deformity caused by an injury or disease. ● Retinol: The principal form of vitamin A found in the body. ● Rosacea: A long-term disorder affecting facial skin of the nose, cheeks, chin, or forehead that may include redness, pimples, pustules, solid raised lesions, dilated blood vessels, and disfigurement and enlargement of the nose.
● Crust: Dead cells form over a wound or blemish while it is healing mixed with sebum and pus. ● Cyst: A closed, abnormally developed sac containing fluid, infection or other matter above or below the skin. ● Fissures: A crack in the skin that penetrates the dermis. ● Dandruff: Small pieces of dead skin in a person’s hair. ● Dermis: Live layer of connective tissue below the epidermis. ● Dermatitis: Inflammatory condition of the skin. ● Dermatologist: A physician who treats skin disorders and diseases. ● Dermatology: a branch of science that studies and treats the skin and its disorders. ● Disease: Abnormal medical condition associated with specific symptoms and signs. ● Eczema: An inflammatory, painful itching disease of the skin, acute or chronic in nature. ● Edema: Swelling caused by a response to injury or infection. ● Epidermis: The outermost layer of skin, a thin protective layer with many nerve endings. ● Erythema: Visible redness on the skin due to blood vessel dilation and increase of blood flow to the dermis. ● Essential oils: Oils derived from herbs having many different healing properties that affect the skin and psyche. ● Esthetician: A person who is knowledgeable about the nature and appreciation of beauty especially in art. ● Exfoliation: removal of dead cells on the surface of the skin with a cosmetic instrument. ● Facial: A skin treatment of the face designed to clean, ● Fissures: A crack in the skin that penetrates the dermis. ● Fungus: A phylum of plants (including yeast, rusts, molds, smuts, mushrooms, etc.) characterized by the absence of chlorophyll and the presence of a rigid cell wall. ● Glycolic acid: One of several alpha hydroxy acids, used in mild skin peels, that accelerate the natural process of shedding dead skin cells. ● Histamine: A chemical found in cells throughout the body which is released during an allergic reaction. ● Hyaluronic acid: A substance in human skin cells that helps to retain moisture. ● Hypersensitivity: A condition of heightened reactivity in which the body responds with an exaggerated reaction to a foreign substance. tone, and improve the skin’s texture. ● Fragrance: A pleasant, sweet smell. ● Inflammation: Localized physical condition in which a part of the body becomes reddened, swollen, hot and painful reaction to injury or infection. ● Integumentary system: The body’s covering skin, hair and nails. ● Immune system: The body’s defense against infections, organisms and other invaders. ● Irritant: A substance that causes slight inflammation or other discomfort to the body. ● Keratin: A protein containing high amounts of sulfur that is primary component of the outermost layer of the skin, nails, horny tissue and hair. ● Keratinocytes: Responsible for maintaining the skin’s barrier, they make up 80 percent of the body’s epidermal cells. ● Laser: A device that contains an active medium made up of either gas, carbon dioxide, argon, solid or liquid to produce a beam of single-colored light up 10 million times more powerful than the sun. ● Lesions: A region in an organ or tissue which has suffered damage through injury or disease.
EliteLearning.com/Cosmetology
Book Code: ENC0825
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