12 citations
,
July 2012 in “Journal of Applied Polymer Science” Botanical extracts can protect and repair bleached hair.
April 2011 in “The FASEB Journal” Aralia continentalis root extract may help with hair growth.
26 citations
,
October 2020 in “Biomedicines” Bioengineered skin models help reduce animal testing and advance research in cosmetics and skin disease.
1 citations
,
August 2019 A 25% ethanol extract hair tonic from Nothopanax scutellarium leaves significantly boosts hair growth in male rabbits.
January 2023 in “Open veterinary journal” Cow blood vessel cell secretions helped heal rat burn wounds and may treat burns and hair loss.
1 citations
,
February 2025 in “International Journal of Molecular Sciences” HMBi supplementation boosts cashmere growth by affecting specific metabolic and signaling pathways in goats.
1 citations
,
May 2003 in “The journal of investigative dermatology/Journal of investigative dermatology” A hormone affects hair growth, certain molecules may prevent skin damage, a skin disease is linked to immune cells, glycerol helps skin hydration, and psoriasis treatment trials need improvement.
8 citations
,
February 2017 in “International journal of molecular sciences” Mollusc egg extract helps skin and hair cells grow and heal.
December 2023 in “Medical Times” The MEST method increases cell yield and volume for regenerative medicine but needs more testing.
25 citations
,
April 1949 in “The journal of experimental zoology” Testosterone applied to rabbit skin increases skin cell growth and changes skin structure.
3 citations
,
January 2014 Green tea extract hair tonic is stable at room temperature, promotes hair growth better than minoxidil, and is safe for use.
1 citations
,
January 1999 in “Proceedings of the British Society of Animal Science” Biotin helps maintain hair follicle growth by affecting cell death and survival signals.
13 citations
,
March 2020 in “Frontiers in cell and developmental biology” A substance called TCQA could potentially darken hair by activating certain genes and increasing melanin.
22 citations
,
January 2011 in “Indian Journal of Dermatology/Indian journal of dermatology” Cow placenta extract may help hair grow by increasing a growth factor but is less effective than minoxidil.
February 2014 in “아시안뷰티화장품학술지” Natural extracts like peppermint and rosemary oils are effective for hair growth and scalp health.
5 citations
,
October 2014 in “Journal of cosmetic and laser therapy” Combining physical dermabrasion with chemical peeling is more effective for skin treatment than chemical peeling alone.
April 2018 in “D-Scholarship@Pitt (University of Pittsburgh)” Keratin-75 is secreted by ameloblasts in a unique way without a signal peptide.
March 2025 in “Plastic & Reconstructive Surgery Global Open” Human Platelet Extract hair serum improves hair health and growth safely.
79 citations
,
June 1993 in “Molecular and Cellular Biology” The K5 promoter controls gene expression in skin cells, with specific DNA segments crucial for targeting and regulation.
March 2022 in “Journal of drug delivery and therapeutics” Sea hibiscus leaf extract at 30% concentration in a hair tonic significantly increased hair growth in guinea pigs.
1 citations
,
October 2018 in “International research journal of pharmacy” Rampai leaves extract can significantly stimulate hair growth.
7 citations
,
January 1982 in “Acta agriculturae Scandinavica” Mink use L-methionine and L-cystine slightly better than natural amino acids for hair growth, but D-methionine is not effective.
30 citations
,
May 2020 in “Forensic Science International Genetics” The method improved hair analysis for better forensic identification.
June 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” The RHC complex with nicotinamide promotes hair growth and health.
January 2013 in “대한미용학회지” Chamaecyparis obtusa oil promotes hair growth in mice.
32 citations
,
February 2020 in “PTR. Phytotherapy research/Phytotherapy research” Rosemary extract may boost the immune system, but more research on humans is needed to confirm this.
2 citations
,
January 2023 in “Frontiers in Genetics” Overexpressing ovine β-catenin in mice skin increases hair follicle density and growth.
7 citations
,
January 2010 in “Animal” Angora goat hair grows faster and produces more protein than cashmere goat hair, and certain hormones and nutrients positively affect hair growth and protein synthesis.
July 2023 in “Biomolecules” The new "whisker follicle microinjection assay" can test how different biomolecules affect hair growth and color.
1 citations
,
April 1936 in “Journal of Experimental Biology” Hanson's thymus extract sped up growth and development in mice over generations.