January 2012 in “Human health handbooks” Low-level light therapy is FDA-approved for male pattern hair loss, increases hair count and strength, and is considered safe for use.
March 2005 in “Journal of the American Academy of Dermatology” Adding amino acids to damaged hair can improve its strength and appearance.
October 1982 in “American Journal of Nursing” Wound healing is a complex process involving different cells and stages, leading to scar tissue formation and strength increase over time.
November 2007 in “Journal of Generic Medicines” Europe strengthened medicine regulations, increased protection against counterfeit drugs, and made it tougher to challenge comparative advertising, while also focusing on patent law enforcement and updating plant protection rules.
January 2016 in “Hematology & Transfusion International Journal” Platelet Rich Plasma (PRP) injections can improve hair count, thickness, and strength in people with androgenic alopecia.
117 citations,
August 2005 in “Ultramicroscopy” Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
19 citations,
January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
7 citations,
December 2011 in “Annals of anatomy” Involucrin helps strengthen the inner parts of human hair.
5 citations,
January 1983 in “Australian journal of biological sciences” Certain amino acid analogues can inhibit wool and hair growth and affect fiber strength.
4 citations,
January 2015 in “Sen'i Gakkaishi” Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.
3 citations,
January 2016 in “PubMed” Platelet-Rich Plasma (PRP) is a cheap and promising treatment for hair loss, improving hair count, thickness, and strength without major side effects.
1 citations,
July 2015 in “PubMed” Human hair's strength comes from a honeycomb-like structure and macrofibrils.
October 2024 in “Cosmetics” ATG effectively reduces hair frizz without damaging hair strength.
December 2023 in “Data in Brief” Curly hair's strength and flexibility vary with moisture and temperature.
December 2022 in “Cosmetics” The food supplement improved hair growth and strength in people with a certain type of hair loss and had no major side effects.
October 2021 in “Journal of Investigative Dermatology” Skin cell strength decreases significantly as we age.
Different treatments change the strength and flexibility of human hair.
March 2023 in “Archives of Physical Medicine and Rehabilitation” Testosterone and finasteride improve muscle strength and size after spinal cord injury.
441 citations,
May 2008 in “British Journal of Pharmacology” Anabolic steroids can build muscle and strength but have risks and need more research on their clinical benefits and side effects.
92 citations,
November 2003 in “The Journals of Gerontology” Testosterone supplements can increase muscle mass and strength in older men with low levels, but long-term effects and risks need more research.
61 citations,
January 2013 in “International Journal of Biological Macromolecules” Combining DHT and EDC improves the strength and stability of PADM scaffolds for tissue engineering.
42 citations,
April 2008 in “Acta materialia” Different ethnicities and treatments affect human hair strength and structure.
41 citations,
November 2020 in “Colloids and surfaces. B, Biointerfaces” Different hair protein amounts change the strength of keratin/chitosan gels, useful for making predictable tissue engineering materials.
17 citations,
July 2018 in “International Journal of Cosmetic Science” Keratin-based particles safely improve hair strength, smoothness, and heat protection.
3 citations,
June 2023 in “ACS sustainable chemistry & engineering” The study found a green method for strengthening hair works on all hair colors and is eco-friendly.
2 citations,
January 2018 in “Biomolecules & therapeutics” Polyamidoamine dendrimers can change the strength and direction of electroosmotic flow through the skin, affecting drug delivery.
2 citations,
June 2012 in “PubMed” Ceramide-rich liposomes can effectively repair and strengthen damaged hair.
May 2024 in “International Journal of Cosmetic Science” Disulfide bonds are crucial for hair's strength, especially when wet.
April 2024 in “Cosmetics” Different oils affect hair flexibility and strength, with their impact varying on whether hair is virgin or bleached.
August 2021 in “International Journal of Research in Dermatology” Modern hair straightening improves manageability and strength while maintaining natural waves.