Skin Care Products: Chemistry, Ingredients, and Selection Flashcards
family of plant based antioxidants, most often found in the leaves if the tea plant, but also in apples, berries, chocolate, and red wine
catechins
the process of creating an ester
esterifiction
acid molecules that haven’t been neutralized
free acid
the smallest of the AHAs, frequently used for its exfoliating, hydrating, and skin rejuvenating properties
glycolic acid
in the lab as opposed to in a living organism
in vitro
in a living organism as opposed to in a lab
in vivo
the second smallest AHA, frequently used for its moisturizing properties
lactic acid
energy from the sun that travels through space in the form of visible light; most commonly referred to as UVA or UVB rays
light radiation
an AHA found in almonds; has an aromatic organic structure rather than a linear one, as is the case of glycolic acid, lactic acid or citric acid for example
mandelic acid
ingredients found in nature, such as plants, minerals and water
natural ingredients
the result of a chemical process that brings a formulations pH to 7, or neutral on the pH scale; partial neutralization occurs when a chemical product is added to the formulation to move the compound up or down the pH scale toward 7
neutralization
ingredients derived from an agricultural product that has been produced, handled, and processed under the guidelines of the US department of agricultures natural organic program
organic ingredients
the process of creating a polymer; polymers are large molecules constructed of smaller molecules of the same substance
polymerization
group of chemicals that act as antioxidants
polyphenols
Vitamin A derivatives, including retinoic acid, retinol, and retinyl palmitate
retinoid
