- Water freezing and becoming ice is an example of what type of change?a. physical b. chemical c. elemental d. molecular
- Which ingredient provides product quality and protection, is active against bacteria and enhances the product's longevity? a. humectant b. surfactantsc. preservatives d. pH adjusters
- When a solution has an equal number of hydrogen and hydroxide ions, the solution is considered: a. acidic b. neutral c. positive d. negative
- Which type of UV ray is longer penetrating and causes collagen breakdown? a. UVA b. UVB c. UVC d. UVD
- What is created when amino acids join together in chains? a. proteins b. elements c. chemicals d. compounds
- What type of mask seals the skin, locking in moisture and creating a firm, taut feeling after removal? a. thermal mask b. paraffin mask c. peel-off mask d. clay/mud mask
- Which of the following biochemical compounds form components that fill the intercellular spaces in the skin? a. lipids b. amino acids c. carbohydrates d. peptide bonds
- A substance such as an enzyme or alpha hydroxy acid that works in conjunction with other ingredients to remove dead skin cells is a: a. massage cream b. cleansing lotion c. chemical exfoliant d. mechanical exfoliant
- How are ingredients listed on a product label? a. lowest weight concentration listed first b. highest weight concentration listed first c. ascending order by weight concentration d. descending order by weight concentration
- Which cosmetic product helps cleanse the skin further while properly balancing pH? a. oil b. toner c. massage cream d. manual exfoliant
- Which ingredient listed below is compatible with both water and oil? a. fatty acid b. surfactant c. humectant d. emulsifying agent
- The mechanical or chemical process of removing superficial dead skin is referred to as: a. metabolism b. exfoliation c. permeation d. cell turnover
- Samantha has determined that she would like to improve the skin tone and texture, reduce bacteria and dead skin cell buildup and improve cellular renewal for her client. Which performance ingredient would be beneficial for the client? a. botanical b. humectants c. essential oils d. acids/enzymes
- Atoms that are different form a(n): a. mixture b. element c. emulsion d. compound
- What is the number one cause of skin cancer and premature aging? a. smoking b. drinking c. exfoliating d. sun exposure
- Examples of an emulsion include: a. eye gels b. deodorants c. cleaning bars d. cleaning creams
- On the pH scale, numbers less than 7 indicate a(n): a. acidic solution b. neutral solution c. chemical solution d. alkaline solution
- Basic substances that cannot be broken down into simpler substances are called: a. solids b. elements c. molecules d. compounds
- A substance that is able to dissolve another substance is
- The mastication muscle that is located above and in front of the ear and performs both opening and closing of the jaw?