42 citations
,
October 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Mutations in the KRT85 gene cause hair and nail problems.
5 citations
,
October 2021 in “American Journal of Medical Genetics Part A” A new genetic variant causes BRESHECK syndrome by disrupting cell growth and stress response.
82 citations
,
October 1980 in “The Journal of Clinical Endocrinology & Metabolism” The child's body didn't respond well to vitamin D, causing hair loss and rickets.
18 citations
,
June 2016 in “Clinical and Experimental Dermatology” Increasing isoleucine intake improved skin and health issues in an infant with maple syrup urine disease.
August 2023 in “Dermatology reports” A baby with maple syrup urine disease improved from skin problems by adjusting his diet to correct amino acid levels.
September 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Not having enough cystatin M/E protein causes less hair growth and dry skin.
5 citations
,
December 1942 in “Journal of the American Medical Association” Choline and biotin are important for liver health and preventing certain deficiencies in animals, and more research is needed to understand their benefits in humans.
37 citations
,
January 2010 in “Human Molecular Genetics” FTase and GGTase-I are essential for skin keratinocyte health.
24 citations
,
May 2017 in “PubMed” Biotin supplements for hair improvement are popular without scientific proof of effectiveness.
1 citations
,
July 2017 in “Skin appendage disorders” A 9-year-old Hispanic girl has Uncombable Hair Syndrome, which may improve with age and biotin treatment.
August 2025 in “Biomedicines” Half-siblings with a rare skin condition improved with treatment for a fungal infection, but hair loss remained.
April 2024 in “International Journal of Advanced Research” Vitamin B12 deficiency is linked to hair loss and skin pigmentation changes.
1 citations
,
January 2020 in “Дерматологія та венерологія” Natubiotin is effective for treating different hair loss conditions when used with other therapies.
77 citations
,
August 1986 in “Archives of Dermatology” Vitamin B12 deficiency can cause skin and hair color changes, which are reversible with treatment.
24 citations
,
May 2019 in “PLOS genetics” Mutations in the HEPHL1 gene cause abnormal hair and cognitive issues.
13 citations
,
September 2011 in “Archives of dermatology” A patient with steroid sulfatase deficiency had a unique hair pattern and a brain malformation not previously linked to the condition.
11 citations
,
August 1986 in “Archives of Dermatology” Vitamin B12 deficiency can cause skin and hair color changes, which can be reversed with treatment.
88 citations
,
October 1983 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Patients with this syndrome can have different responses and worsening resistance to treatment over time.
50 citations
,
October 1986 in “European journal of pediatrics” A boy with severe Vitamin D-resistant rickets did not respond to treatment and lacked a common symptom, suggesting a need for alternative treatments.
8 citations
,
September 1987 in “Acta Dermato Venereologica” Recessive X-linked ichthyosis involves a less efficient enzyme in hair follicles, suggesting two distinct enzymes.
May 2025 in “Health Science Reports” Serum WS Biotin significantly reduces hair shedding and improves hair thickness.
25 citations
,
December 2005 in “Molecular Genetics and Metabolism” Taking riboflavin and eating less lysine can help some people with a specific genetic disorder avoid brain damage.
5 citations
,
September 2018 in “International journal of genomics” Genetic mutations that disrupt homocysteine breakdown lead to increased damage in mouse hair keratin.
September 2019 in “PubMed” The conclusion suggests using a science-based, multi-targeted treatment for hair loss instead of just biotin.
June 2021 in “Asian Journal of Medical Sciences” Vitamin B12 deficiency can cause reversible skin darkening.
9 citations
,
February 1981 in “Australian journal of biological sciences” Lambs fed a liquid diet showed abnormal wool and skin, which improved with more B-vitamins, suggesting a link to B-vitamin deficiency.
Biotin can help improve hair condition and reduce hair loss.
38 citations
,
September 1997 in “The journal of investigative dermatology/Journal of investigative dermatology” A mutation in mice causes hair loss and skin issues due to a defect in a gene affecting cell adhesion.
26 citations
,
January 1993 in “Dermatology” A rare case of isolated trichothiodystrophy was identified, marked by brittle hair with low sulfur content.
5 citations
,
January 1970 in “Journal of Nepal Paediatric Society” Hair loss can be a key sign of a rare type of rickets when vitamin D treatment doesn't work and advanced tests aren't available.