September 2024 in “Journal of the American Academy of Dermatology” The supplements improved hair density and reduced hair loss.
November 2025 in “Journal of Microbiology and Biotechnology” Botulinum toxin type A and platelet-rich plasma together boost hair growth by activating specific growth pathways.
12 citations
,
May 2019 in “Aesthetic Surgery Journal” Platelet-Rich Plasma and stem cell therapy can increase hair count and density, but the best method for preparation and treatment still needs to be determined.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Damaged hair follicle stem cells may leave the skin to help maintain youthfulness.
90 citations
,
July 1993 in “Journal of Investigative Dermatology” 
7 citations
,
July 2008 in “Experimental Dermatology” The study concluded that a protein important for hair strength is regulated by certain molecular processes and is affected by growth phases.
25 citations
,
April 2018 in “Journal of Cosmetic Dermatology” PRP injections increase hair density and diameter in female androgenetic alopecia patients.
January 2025 in “International Journal of Biological Macromolecules” Decorin helps hair growth by influencing specific cell signals.
51 citations
,
December 2003 in “The FASEB Journal” The substance AS101 can help hair grow by slowing down hair cell aging and boosting a hair growth protein.
February 2014 in “아시안뷰티화장품학술지” Natural extracts like peppermint and rosemary oils are effective for hair growth and scalp health.
62 citations
,
June 1993 in “Archives of Dermatological Research” 
Injectable PRF therapy may help with hair growth and skin rejuvenation, but more research is needed.
270 citations
,
March 2012 in “Dermatologic Surgery” Platelet-rich plasma can potentially promote hair growth by stimulating cell growth and increasing certain proteins.
January 2026 in “International Journal of Applied Pharmaceutics” A 10% MSC secretome hair tonic best promotes hair growth in alopecia.
January 2023 in “Journal of Cosmetics, Dermatological Sciences and Applications” The hair growth serum Trichosera® was effective in increasing hair regrowth and density and reducing hair fall without significant side effects.
16 citations
,
October 2021 in “Trends in biotechnology” Future hair products will use ecofriendly proteins and peptides to improve hair health and appearance.
January 2026 in “Applied Sciences” Cyclic ADP-ribose helps regulate calcium and signals that promote hair growth in hair follicle cells.
6 citations
,
July 2012 in “Experimental Dermatology” The substance from human hair root cells can help maintain hair growth and make skin cells more capable of growing hair.
18 citations
,
March 2022 in “Drug design, development and therapy” Platelet-rich plasma (PRP) may help with various hair loss types, but more research is needed to find the best use method.
16 citations
,
November 2011 in “PubMed” The treatment improved hair growth in people with male pattern baldness.
January 2022 in “Springer eBooks” 
28 citations
,
September 2013 in “Journal of Investigative Dermatology” The document concludes that dermal papilla cells are key for hair growth and could be used in new hair loss treatments.
June 2023 in “Zenodo (CERN European Organization for Nuclear Research)” 30 citations
,
November 2020 in “Journal of Advanced Research” Conditioned medium from keratinocytes can improve hair growth potential in cultured dermal papilla cells.
August 2021 in “Journal of the American Academy of Dermatology” 
January 2017 in “Archives of Aesthetic Plastic Surgery” Hair care products with placental growth factor can improve hair thickness and density in postpartum hair loss.
May 2026 in “Frontiers in Cell and Developmental Biology” Collagen networks play a key role in hair loss and follicle miniaturization.
4 citations
,
June 2022 in “Journal of Cosmetic Dermatology” Multi-peptide factors from fibroblasts may stimulate hair growth by increasing growth factors and β-catenin in hair cells.