Is Biotin capsules good for hair

1
What are the benefits of taking biotin?

• Biotin helps maintain many of your body's major
  systems. Like other B vitamins, biotin helps your
  body use enzymes and carry nutrients throughout
  the body.

2
Does biotin grow hair?

• Biotin supplements can cause problems if you
  ingest too much. 
• Side effects can include skin rashes, digestive
  upset, problems with insulin release, and kidney
  problems.
• Low blood levels of biotin capsule can cause
  thinning of the hair and rash around the eyes,
  nose, and mouth.
• Other symptoms include depression, lack of
  interest, hallucinations, and tingling in the
  arms and legs.

3
What is the main function of biotin?

• Roncuvita Biotin is often recommended for
  strengthening hair and nails, and it's found in
  many cosmetic products for hair and skin. Like
  all B vitamins, it is a water soluble, meaning
  the body does not store it.

4
Is biotin safe to take everyday?

• However, because biotin is used in so many
  immunoassays, scientists say it
  could interfere with many others.
• Because biotin deficiency is considered extremely
  rare, no RDI exists.
• Most people think it's fine to take as much as
  they want," says Rosenbloom. "I know people who
  take Biotin 10,000 mg a day.