146 citations
,
May 2002 in “The American journal of pathology” Cathepsin L is essential for normal hair growth and development.
April 2017 in “Journal of Investigative Dermatology” Targeted siRNA therapy may be a promising treatment for KID syndrome by reducing mutant gene expression and improving cell communication.
April 2017 in “Journal of Investigative Dermatology” Certain mutations in the KLHL24 gene cause a skin disorder by breaking down an important skin protein.
69 citations
,
January 2009 in “Advances in Materials Science and Engineering” Wool keratin is reactive, biocompatible, biodegradable, and can model keratin from other sources.
4 citations
,
October 2017 in “Advances in tissue engineering & regenerative medicine” Researchers created a potential skin substitute using a biodegradable mat that supports skin cell growth and layer formation.
April 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” The anti-hair loss shampoo effectively promotes hair growth and improves hair quality.
11 citations
,
January 2016 in “International Journal of Biological Macromolecules” Enzymatic phosphorylation of hair keratin improves the effectiveness of hair products with cationic ingredients.
December 2025 in “The American Journal of Medical Sciences and Pharmaceutical Research” Ultrasonic and infrared treatments can improve hair strength and appearance with minimal damage.
8 citations
,
May 2020 in “International journal of biological macromolecules” Certain treatments can increase protein binding to natural hair but are less effective on permed hair.
4 citations
,
January 2021 in “Skin appendage disorders” Hair straightening can damage hair and pose health risks, including exposure to carcinogens and hair loss.
November 2025 in “Quality in Sport” Collagen supplements improve skin, hair, and nails, especially with vitamin C and minerals.
26 citations
,
March 2020 in “Antioxidants” Microwave-assisted Opuntia humifusa extract protects skin cells from pollution damage.
13 citations
,
April 2002 in “International Journal of Toxicology” The safety of placental and umbilical extracts in cosmetics is uncertain, requiring more research.
2 citations
,
December 2023 in “International journal of molecular sciences” Understanding keratinization is crucial for treating skin conditions like ichthyoses and psoriasis.
2 citations
,
January 2011 in “Elsevier eBooks” Early treatment of acne is crucial to prevent scarring and psychological effects.
November 2024 in “Applied Sciences” Placenta products might help with hair loss, but more research is needed.
June 2023 in “Skin Research and Technology” The supplement with amino acids, iron, selenium, and marine hydrolyzed collagen improved hair growth more than drug treatment alone, with most people tolerating it well.
December 2025 in “Frontiers in Nutrition” Collagen supplements may improve skin, joints, and recovery, especially with added nutrients.
October 2020 in “Veterinary Dermatology” New treatments and diagnostic methods for various animal skin conditions showed promising results.
June 2025 in “International Journal of Cosmetic Science” Keratin-encapsulated liposomes effectively repair and protect UV-damaged hair.
June 2017 in “University of the Arts London Research Online (University of the Arts London)” Polymers help reduce damage and improve bleached hair when used during or after bleaching.
176 citations
,
August 2015 in “The journal of allergy and clinical immunology/Journal of allergy and clinical immunology/The journal of allergy and clinical immunology” Alopecia areata involves immune activation in the scalp, suggesting treatments targeting TH1, TH2, and IL-23 pathways.
68 citations
,
November 2015 in “The Journal of Allergy and Clinical Immunology” Blocking IL-12/IL-23p40 helped reverse severe hair loss in patients.
June 2023 in “Historical records of Australian science/Historical Records of Australian Science” George Ernest Rogers was a notable scientist who made important discoveries about hair and wool proteins.
January 2018 in “Stem cell biology and regenerative medicine” ATP-dependent chromatin remodeling is crucial for skin development and stem cell function.
14 citations
,
April 2014 in “International Journal of Cosmetic Science” Acne is caused by multiple factors including oil production, bacteria, inflammation, and possibly diet and environment.
4 citations
,
October 2024 in “Journal of Cosmetic Dermatology” Taking natural keratin supplements improved skin, hair, and nails in women.
4 citations
,
December 2018 in “Macedonian Journal of Chemistry and Chemical Engineering” A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.
165 citations
,
January 2008 in “Journal of biomaterials science. Polymer ed.” The peptide GHK-Cu helps heal and remodel tissue, improves skin and hair health, and has potential for treating age-related inflammatory diseases.
89 citations
,
April 2015 in “Materials Science and Engineering C” Keratin-based hydrogels from human hair improve wound healing effectively.