This topic contains a solution. Click here to go to the answer

Author Question: A class of chemical compounds derived from vitamin A that are used in skin care are known as _____. ... (Read 56 times)

nenivikky

  • Hero Member
  • *****
  • Posts: 516
A class of chemical compounds derived from vitamin A that are used in skin care are known as _____.
 A) topical steroids
  B) botox
  C) retinoids
  D) collagen replacement therapy

Question 2

Transition phase between regular menstrual periods and no periods at all is known as ___________________ _.
 Fill in the blank(s) with correct word



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Galvarado142

  • Sr. Member
  • ****
  • Posts: 348
Answer to Question 1

C

Answer to Question 2

perimenopause





 

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

For a complete list of videos, visit our video library