January 2019 in “Figshare” Redheaded people have higher levels of vitamin D precursor, suggesting their hair color may be an adaptation to low sunlight areas.
September 2021 in “Zenodo (CERN European Organization for Nuclear Research)” Copper levels in green hair decreased significantly after treatment.
August 2002 in “Dermatologic Surgery” Fluridil safely promotes hair growth in men with androgenetic alopecia.
7 citations
,
August 2018 in “Journal of cosmetic dermatology” Chemical hair straightening improves smoothness and shine but may cause side effects, suggesting a need for safer methods.
6 citations
,
December 2013 in “Journal of Cosmetic Dermatology” Pigmented concealing powders can improve the look of hair density for people with hair loss but need daily application and may not work well in wet conditions.
11 citations
,
July 2004 in “International Journal of Cosmetic Science” The conclusion is that a new method to measure hair shine was confirmed to match people's visual assessments.
7 citations
,
January 2017 in “Skin Pharmacology and Physiology” ECOHAIR® lotion is effective and safe for improving hair growth and reducing hair loss.
March 2024 in “Journal of Microbiology and Biotechnology” Phloroglucinol may help improve hair loss by promoting hair growth and reducing oxidative stress.
2 citations
,
December 2017 in “Korean Journal of Medicinal Crop Science” Houttuynia cordata extract promotes hair growth and could be useful in hair care products.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal hair conditioner is safe, effective, and affordable.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal hair conditioner is safe, effective, and affordable.
September 2017 in “Journal of Investigative Dermatology” The new scalp treatment preserves hair color, reduces hair loss, and maintains hair strength.
June 2025 in “Clinical and Experimental Dermatology” Baricitinib treatment led to dark brown hair regrowth in a red-haired woman with alopecia areata.
31 citations
,
June 2010 in “Journal of dermatology” Hair bleaching causes significant damage to hair and skin.
February 2013 in “Journal of the American Academy of Dermatology” Iron supplements may reverse premature hair graying caused by iron deficiency.
Restolin Hair Supplement may help hair growth but lacks FDA approval and clinical trial evidence.
1 citations
,
February 2003 UV radiation causes significant protein loss and color changes in hair, especially blond hair.
9 citations
,
May 2013 in “JAMA Dermatology” A woman's hair turned white after taking a cancer drug called dasatinib.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” SwaLife Hair Bloom Onion Oil strengthens hair and promotes growth.
February 2022 in “arXiv (Cornell University)” A new method accurately captures and renders hair color for real and synthetic images.
January 2017 in “Durham e-Theses (Durham University)” Chemical stressors damage hair structure but the skin's outer layer protects living cells.
January 2002 in “China Surfactant Detergent & Cosmetics” Shampoo D is best for fixing perm-damaged hair.
November 2024 in “Huisarts en Wetenschap” Telogen effluvium hair loss often resolves on its own in 3 to 6 months, but see a dermatologist if it persists.
7 citations
,
January 2009 in “Biological & pharmaceutical bulletin” Ferrous Ferric Chloride may improve skin cell function and increase hair growth in mice.
December 2000 in “Kirk-Othmer Encyclopedia of Chemical Technology” Hair care products are regulated, with shampoos, conditioners, dyes, and styling products designed for cleaning, enhancing, and maintaining hair.
17 citations
,
August 2002 in “Dermatologic Surgery” Fluridil safely promotes hair growth in men with androgenetic alopecia.
69 citations
,
January 2002 in “Journal of biomedical optics” Dyes can penetrate human skin and hair follicles up to 1.2 mm deep and the sebaceous gland can store dye; Indocyanine Green lotion was made for safe dyeing and monitoring.
1 citations
,
June 2021 in “Preprints.org” Hair relaxers and straighteners can be toxic to skin cells.
October 2025 in “International Journal of Cosmetic Science” Shiny, straight hair is seen as more youthful, healthy, and attractive.