20 citations
,
July 2010 in “Skin Research and Technology” Aging makes hair thinner and rougher, with less clear edges.
6 citations
,
January 2023 in “npj regenerative medicine” Transplanting growing hair follicles into scars can help regenerate and improve scar tissue.
1 citations
,
December 2022 in “Applied Sciences” 22 citations
,
August 2015 in “PloS one” Keratin from hair binds well to gold and BMP-2, useful for bone repair.
38 citations
,
May 2000 in “Livestock production science” Giving high-quality protein or methionine supplements helps improve hair growth in Angora goats and, to a lesser extent, in Cashmere goats.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” SwaLife Hair Bloom Onion Oil strengthens hair and promotes growth.
March 2024 in “International journal of molecular sciences” The research identified key proteins that affect wool fiber thickness in Angora rabbits.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
The guide suggests using keratin fibers and wigs to help hair look thicker or hide hair loss.
73 citations
,
October 2013 in “International Journal of Cosmetic Science” Chemical hair straightening can damage hair and health, needing safer alternatives and stricter regulations.
2 citations
,
September 2020 in “Biomedical materials” Recombinant keratin materials may better promote skin cell differentiation than natural keratin.
40 citations
,
June 2013 in “Biomaterials” Scientists created 3D hair-like structures that could help study hair growth and test treatments.
20 citations
,
January 2021 in “GeroScience” Spermidine helps protect against aging by preserving telomere length.
April 2026 in “Biomolecules” Squid ink melanin nanoparticles create a safe, long-lasting black hair dye that protects hair and offers UV protection.
December 2013 in “Iranian Journal of Applied Animal Science” Adding bentonite clays to goat diets increased milk yield, periwinkle shell improved chicken egg production, and vaccination increased muscle area and carcass yield in calves.
1 citations
,
June 2023 in “Journal of applied crystallography” The technique showed that human hair has two main parts, with 68% being rigid and the rest flexible, and water swelling affects its structure.
November 2024 in “Journal of Microscopy” Human hair varies in structure based on curl type, with high curl hair showing the most differences.
Gray hair affects hair's movement and appearance, making it less bouncy and more wavy.
53 citations
,
July 2016 in “Cosmetics” Future hair cosmetics will be safer and more effective.
81 citations
,
December 2007 in “Acta materialia” AFM helped show how hair changes under tension and the effects of damage and conditioner.
15 citations
,
October 2004 in “Colloids and surfaces. B, Biointerfaces” Holes in mature hair are likely caused by the removal of substances during hair care.
14 citations
,
April 2016 in “PloS one” The KRTAP11-1 gene promoter is crucial for specific expression in sheep wool cortex.
5 citations
,
January 2017 in “Journal of Nanomedicine & Nanotechnology” Nanoemulgel could be a promising new treatment for hair loss.
2 citations
,
December 2025 in “Cosmetics” Proper scalp care can improve hair health and delay ageing signs.
13 citations
,
February 2019 in “Zoology” Lustre mutant sheep have normal hair structure and proteins but differ in felting properties.
12 citations
,
February 1999 in “British Journal of Dermatology” Minoxidil increased small openings in blood vessel walls near growing hair in rats.
4 citations
,
September 2003 in “Livestock Production Science” Epidermal growth factor reduces hair growth, but cortisol does not.
49 citations
,
April 2010 in “International Journal of Cosmetic Science” Hair ages as the cuticle wears down, especially beyond 1 meter from the root, affecting its strength and shine.
12 citations
,
January 2013 in “IOSR Journal of Agriculture and Veterinary Science” Homogenous PRP gel heals goat skin wounds best, promoting quick recovery and hair growth.
December 2025 in “Biopolymers” Heat worsens damage in chemically treated hair, especially bleached and straightened hair.