January 2020 in “Asian journal of applied science and technology” Good nutrition is crucial for health and preventing disease, and supplements can help prevent nutrient deficiencies.
2 citations,
September 2019 in “South Asian research journal of pharmaceutical sciences” Heavy metals in personal care products can cause serious health issues like cancer and hair loss.
1 citations,
February 2022 in “Journal of the American Academy of Dermatology” Taking biotin supplements can be risky and often lacks evidence of effectiveness for skin, hair, and nail issues.
The conclusion is that hair supplement ingredients may be unsafe and should be disclosed and proven safe before use.
April 2007 in “CRC Press eBooks” Certain vitamins in wrong amounts, alcohol abuse, metals, and other toxins can cause serious brain and nerve damage.