September 2025 in “Cosmetics” Lipid content and structure affect water absorption in different hair types.
A natural, eco-friendly treatment using casein and tannic acid strengthens hair by 21% while keeping it elastic.
97 citations
,
January 2005 in “Wear” Human hair and skin friction vary by ethnicity, hair type, and environmental conditions.
72 citations
,
December 2011 69 citations
,
January 2009 in “Advances in Materials Science and Engineering” Wool keratin is reactive, biocompatible, biodegradable, and can model keratin from other sources.
65 citations
,
September 2014 in “BMC genomics” Different hair types in mammals are linked to variations in specific protein genes, with changes influenced by their living environments.
46 citations
,
August 2006 in “Mechanisms of Development” Runx1 is crucial for proper hair structure and development.
34 citations
,
March 2009 in “Journal of Investigative Dermatology” Proteomic analysis can identify genetic differences in mouse hair, helping understand hair defects and variations.
22 citations
,
June 2020 in “iScience” Sox21 is crucial for tooth development and enamel formation by preventing cells from changing into a different type.
21 citations
,
February 2019 in “Experimental Dermatology” Different fields of expertise must work together to better understand hair growth and create effective hair loss treatments.
20 citations
,
February 2023 in “Biology” Innovative cosmetics could safely change hair color by targeting biological hair pigmentation processes.
16 citations
,
June 2022 in “Acta biomaterialia” The study developed a new way to create hair-growing tissue that can help regenerate hair follicles and control hair growth direction.
13 citations
,
March 2020 in “Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy” Alopecic hair has more irregular structures and chemical changes than normal hair, reducing its strength.
12 citations
,
December 2011 10 citations
,
June 2019 in “Cosmetics” Mixed-race individuals have hair with varied shapes and more root damage.
8 citations
,
January 2023 in “International journal of molecular sciences” Transglutaminase activity is important for skin and is found in both mammals and birds.
2 citations
,
January 2023 in “Pharmaceuticals” Natural products and phytochemicals may help with hair regrowth, but more research is needed.
2 citations
,
January 2022 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Chemical hair straighteners can cause scalp and hair damage, but long-term effects are unclear.
1 citations
,
June 2023 in “Cosmoderma” Trichoscopy is better than the hair pull test for tracking alopecia areata.
October 2025 in “Advanced Healthcare Materials” The hydrogels improve wound healing and tissue regeneration better than traditional treatments.
August 2025 in “Aesthetic Plastic Surgery” Collaboration and innovation are key to developing effective, safe hair loss treatments.
November 2024 in “Journal of Functional Foods” AP collagen peptides improve hair elasticity and gloss.
August 2024 in “Cosmetics” K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.
July 2024 in “Experimental Dermatology” AP collagen peptides help hair grow and improve hair health.
April 2024 in “Cosmetics” Different oils affect hair flexibility and strength, with their impact varying on whether hair is virgin or bleached.
7 citations
,
February 1985 in “Textile Research Journal” Cellular debris sticks to damaged wool fibers and affects wool cleanliness.
2 citations
,
July 2023 in “Cosmetics” Surfactants in shampoos and conditioners remove some but not all lipids from hair, and more research is needed to understand their full impact.
305 citations
,
December 2000 in “The EMBO Journal” Inhibiting Bmp signaling disrupts hair growth and differentiation.
235 citations
,
July 1999 in “Journal of biological chemistry/The Journal of biological chemistry” Human hair is made up of different keratins, some strong and some weak, with specific types appearing at various stages of hair growth.
173 citations
,
August 2015 in “Developmental cell” The study identified unique genes in hair follicle cells and their environment, suggesting these genes help organize cells for hair growth.