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Related Flashcards
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Cards In This Set
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The study of the composition, properties and effects of substances applied to the skin, hair and nails for the purposes of beautifying and improving appearance.
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Cosmetic Chemistry
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An area of pharmacology that deals specifically with medicinal (drug like) substances produced for their beautifying and anti-aging effects
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Cosmetic Phamacology
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What are two important factors of cosmetic products and why?
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The form and texture as they determine ease of application, ease of storage and convenience to the purchaser.
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Knowledge of cosmetic chemistry will alllow a therapist to:
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Choose a product correctly
Discuss the reasons for the choice
Identify ingredients that a client may be allergic to
Answer product queries which the client may have
Categorise new products accurately
Read and comprehend literature about new developments in the industry
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"Cosmetic" means:
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concerning beauty, aesthetics or appearance especially concerning the human body, or is a topical product that is not a drug.
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"Cosmetics" is used to describe:
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Substances used to enhance or protect the human body. E.g. skin care products, eye and facial makeup, deo's, hair colour, nail polish
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Mixture
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A physical combination of different ingredients in any phase, in any proportion and generally classified as eith er Homogenous (1 phase) or Heterogenous (more than 1 phase).
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Homogenous
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One phase is visible
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Heterogenous
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More than one phase is visible
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Solution
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A homogenous mixture (liquid) in which a SOLUTE, a substance (usually a solid) is dissolved in a SOLVENT
E.g. Salt solution - salt is solute and is dissolved in water (solvent) or Berroca tablet (solute) dissolved in water (solvent)
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Solute
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Substance which dissolves
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Solvent
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Substance in which solute dissolves - usually liquid but can be solid, liquid or gas.
E.g. liquid in liquid - water dissolved in alcohol
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A True Solution
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one in which all of the solute dissolves in the solvent and is composed of only one phase. When allowed to stand the solute will never settle.
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Solubility
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Extent to which a solute dissolves in a solute
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Insoluble
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If a substance cannot dissolve in a solute
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