Tropical herbs have potential for cosmetics but need more research and standardization.
January 2021 in “Journal of clinical and cosmetic dermatology” Human skin responds to light with protective mechanisms, but more research is needed to understand these processes and their implications for health and therapy.
37 citations
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January 2002 in “British journal of dermatology/British journal of dermatology, Supplement” Apple extract called procyanidin B-2 was found to greatly increase hair growth.
18 citations
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March 2009 in “Skin pharmacology and physiology” Sunlight damages hair, causing cuticle loss, protein changes, and discoloration.
1 citations
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January 2014 Crataegus pinnatifida extract promotes hair growth in mice.
8 citations
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January 2019 in “Journal of cosmetic dermatology” Modified phenol peels effectively reduced stubborn skin pigmentation in patients with Lichen Planus Pigmentosus.
14 citations
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September 2017 in “General and comparative endocrinology” Barn owls with smaller black spots have higher testosterone levels, which might be due to genetic effects on hormone regulation rather than hormone effects on coloration.
45 citations
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January 2020 in “Pharmaceutical Biology” Dendrobium officinale polysaccharides may help with hair growth, skin moisturization, and protection against oxidative damage.
1 citations
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July 2016 in “Cosmetics” Black henna tattoos can cause severe allergies to hair and textile dyes, and there's a need for greater public awareness and regulation.
86 citations
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August 2000 in “Pigment cell research” Melanocyte activity in hair follicles is linked to the hair growth cycle, being active in growth phases and inactive in rest phases.
1 citations
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May 2017 in “Journal of Stem Cell Research & Therapeutics” Pluripotent stem cells show promise for treating skin color loss disorders like vitiligo.
February 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Tandem repeats significantly influence hair color, especially darker shades, across different ancestries.
December 2023 in “Redox biology” The substance DMC helps get rid of aging cells by triggering a process that causes cell death, which could treat age-related diseases.
August 2013 in “Toxicology letters” 9 citations
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October 1957 in “A M A Archives of Dermatology” Sebaceous glands can quickly convert carotene to vitamin A.
January 2025 in “Biochimica et Biophysica Acta (BBA) - Molecular Cell Research” Green tea compound EGCG may help hair growth by boosting cell activity.
3 citations
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January 2017 in “Revista chilena de nutrición” Certain natural compounds called terpenes may help prevent prostate cancer.
73 citations
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October 2003 in “Journal of Pharmacology and Experimental Therapeutics” Hair color loss can indicate the effectiveness of a drug targeting the KIT protein in mice and humans.
67 citations
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September 2001 in “American Journal Of Pathology” Inhibiting ODC can prevent UV-induced skin cancer.
18 citations
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April 1989 in “Archives of Dermatology” Iron deficiency can cause hair color changes, which can be reversed with iron supplements.
1 citations
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January 2025 in “Regenerative Biomaterials” Exosomes from Pinctada martensii mucus can safely reduce melanin production, offering a new treatment for skin pigment issues.
September 2023 in “Journal of the American Academy of Dermatology” Red tattoo ink may cause skin growths, needing careful monitoring.
4 citations
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February 2025 in “Pharmaceuticals” Voglibose may help treat skin hyperpigmentation safely.
17 citations
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April 2002 in “Contact Dermatitis” Minoxidil 5% caused skin discoloration in a man using it for hair loss.
Encapsulating ascorbyl palmitate in curcumin-grafted particles improves its stability and skin penetration.
November 2025 in “Frontiers in Oncology” Sphaeranthus indicus and silver nanoparticles can help treat liver cancer by killing cancer cells.
June 2025 in “Cell Regeneration” Lack of a certain enzyme causes hair to grey early by damaging stem cells, but an antioxidant can help prevent this.
19 citations
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April 2020 in “Oxidative Medicine and Cellular Longevity” Fernblock® helps protect skin cells from pollution and stress, reducing inflammation and damage.
July 2024 in “Journal of Investigative Dermatology”
June 2026 in “International Journal of Drug Delivery Technology” Silver nanoparticles from Pogostemon benghalensis may effectively fight lung cancer cells.