Chemistry
The scientific study of matter and the physical and chemical changes of matter is known as
What is the smallest complete unit of an element?
Atom
What is the most common element in the universe?
Hydrogen
On the pH scale, numbers less than 7 indicate a _________solution
acidic solution
Eye makeup remover that can remove eye makeup without causing harm to false lashes is
non oily eye makeup remover
____________ means the product is less likely to provoke an allergic reaction
hypoallergenic
All matter that is now living or was alive at one time, with CARBON present
Organic Chemistry
Neutrons have which type of electrical charge
none
Carbon, Oxygen, hydrogen, and nitrogen (COHNS) form the basis of:
Amino acids
Most skin care products used by estheticians and clients are MIXTURES, GELS, SOAPS or POWDERS
mixtures
What is the number one cause of skin cancer and premature aging?
Sun Exposure
Products that can be sold directly to the consumer without a prescription
OTC over the counter drugs
Matter with definite weight and volume but no definite shape is called:
Liquid
Protons have what type of charge
Positive
What does pH indicate the acidity or alkalinity of?
water-based products
If instructions on a product state to shake well before use, this indicates the products is a :
HINT TYPE OF MIXTURES
Suspension
Which type of UV ray is longer penetrating and causes collagen breakdown?
How are ingredients listed on a product label?
descending order by weight concentration
Why is skin a solid? Has definite ____, ____, and ______
Definite weight, volume and shape
Electrons have what kind of charge?
Negative
Why is pure water considered a neutral substance?
positive and negative ions balance each other out
Mixtures of organic substances and medicinal agents are
Ointment
Type of delivery system requires friction to release the performance ingredients?
microcapsules
The atomic number is the # of ______ in a single atom
Protons
Two or more atoms joined together to form a chemical bond :
molecule
When alkali is placed in water, alkali _________the concentration of _________ IOns
Decreases, hydrogen ions
When a solution cant take or dissolve more of the solute than it already holds
Saturated solution
Which of the following functional ingredients cause water to be held into the skin?
humectants