10 citations
,
April 2017 in “PLoS ONE” White rhinoceroses have a unique skin structure with thick epidermis and no hair or oil glands.
133 citations
,
August 1969 in “Science” Melatonin causes weasels to grow white fur and become reproductively inactive.
1 citations
,
May 2024 in “Journal of Investigative Dermatology” African American adults and non-White children experience more hair loss episodes than White patients with alopecia areata.
November 2024 in “Image Analysis & Stereology” The method improves hair image segmentation accuracy while reducing annotation costs.
September 2023 in “JAAD case reports” A man developed oral hairy leukoplakia while on baricitinib, a medication for alopecia and arthritis, and doctors should watch for such side effects.
Hair transplants can cause hair loss if done while lichen planopilaris is active; wait until it's inactive for two years and check with a scalp biopsy first.
February 2025 in “Biomimetics” The shampoo straightens hair while keeping it healthy and less damaged.
August 2024 in “International Journal of Cosmetic Science” Acetyl zingerone methyl ether protects and extends hair color while improving hair health.
A new method was developed to gently isolate hair pigment while keeping its structure intact.
2 citations
,
September 2017 in “Plastic and Aesthetic Research” Healthy Han Chinese have lower hair density than whites and Africans, and transplanting 300 hair units can nearly restore normal hair density.
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal hair oil promotes hair growth and prevents dandruff while being a safer alternative to chemical products.
July 2023 in “International Journal of Trichology” The man's hair turned white suddenly but returned to normal on its own in 6 months.
June 2022 in “International Journal of Advanced Research in Science, Communication and Technology” The polyherbal hair oil helps hair growth, darkens white hair, fights dandruff, and makes hair shiny.
Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
7 citations
,
March 2019 in “Journal of cosmetic dermatology” African hair has the most lipids, while Caucasian hair is more hydrated and stronger.
7 citations
,
September 2004 in “International Journal of Cosmetic Science” Blond hair lightens more with visible light directly, while ultraviolet light lightens it after washing by damaging other hair parts.
7 citations
,
October 1963 in “Textile Research Journal” Merino wool fibers change shape with moisture, while human hair shape stays the same.
1 citations
,
October 2023 in “PloS one” Cosmetic hair treatments can increase hair testosterone levels, while natural hair color does not affect it.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” F2 is the best herbal hair oil for reducing dandruff and hair fall while promoting hair growth.
January 2004 in “Linchuang pifuke zazhi” Black hairs have more pigment-related genes, while gray hairs have more keratin-related genes.
19 citations
,
November 2017 in “General and comparative endocrinology” BMP2 and BMPR-IA may stop hair growth while Noggin may encourage it in yak skin.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal mehendi gel safely colors hair naturally while nourishing and protecting the scalp.
January 2024 in “International Journal of Pharmaceutical Research and Development” Herbal hair gels with natural ingredients can reduce dandruff and hair loss while repairing damage.
Activin A promotes ear hair cell development, while follistatin delays it.
52 citations
,
February 1986 in “Journal of Histochemistry & Cytochemistry” Some hair proteins are specific to hair, while others are also found in skin cells.
29 citations
,
July 2003 in “Experimental Dermatology” The upper hair follicle is stable, while the lower part allows movement during hair growth.
20 citations
,
January 2021 in “Plants” High energy boosts root hair growth in plants, while low energy stops it.
17 citations
,
January 2023 in “International Journal of Cosmetic Science” Hydrophobic interactions affect virgin hair, while electrostatic interactions are key for bleached hair.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Natural hair reflects identity and history, while modifications signal social pressures.
May 2026 in “Brazilian Journal of Hair Health” Bleaching damages hair the most, while dyes improve combability but still cause protein loss.