28 citations
,
December 2012 in “The American Journal of Cosmetic Surgery” Proteins from stem cells improved hair growth in patients with hair loss.
28 citations
,
December 2011 in “Biocatalysis and biotransformation” PDI helps restore over-bleached hair's strength and structure by attaching special peptides.
25 citations
,
August 2006 in “Human Reproduction” Oral contraceptives lower testosterone levels in women, especially those with certain genetic traits, and may be linked to increased breast cancer risk.
25 citations
,
June 2004 in “Journal of Investigative Dermatology” Macrophage-stimulating protein helps hair grow and can start hair growth phase in mice and human hair samples.
24 citations
,
June 2021 in “Agronomy” Protein hydrolysates applied to roots or leaves differently improved lettuce yield and quality, with the best results seen in specific combined treatments for each type.
20 citations
,
July 2020 in “Expert Opinion on Biological Therapy” Using micro-needling, low-level laser therapy, and platelet-rich plasma together significantly improves hair growth in people with hair loss.
18 citations
,
May 1992 in “American Journal of Biological Anthropology” Higher androgen levels do not cause baldness in men.
15 citations
,
June 2015 in “Lasers in Medical Science” The 830-nm wavelength was most effective at promoting hair growth in rats using low-level laser therapy.
13 citations
,
December 2017 in “Journal of Cosmetic and Laser Therapy” Low-level laser therapy can stimulate hair growth more effectively than fake devices, but patient satisfaction is similar for both. Results should be taken with caution due to small study sizes and differences between studies. More research is needed.
12 citations
,
June 2020 in “Frontiers in Cell and Developmental Biology” The PP2A-B55α protein is essential for brain and skin development in embryos.