13 citations
,
September 2023 in “Molecules” This study found that encapsulating coffee berry extract in nanoliposomes improved its stability, reduced toxicity, and enhanced its anti-aging effects on skin elasticity and lightening more than free extract.
13 citations
,
March 2020 in “Frontiers in cell and developmental biology” This study suggests that 3,4,5-tri-O-caffeoylquinic acid activates β-catenin to enhance pigmentation in mouse hair follicles, human melanocytes, and melanoma cells during the hair cycle's growth phase.
12 citations
,
May 2023 in “EMBO reports” In this study with organ-cultured human scalp hair follicles, high mTORC1 activity correlated with gray/white hair and reduced pigmentation, while inhibiting mTORC1 with rapamycin increased hair growth and pigmentation, suggesting mTORC1 inhibition could be a strategy for treating hair depigmentation and loss.
12 citations
,
May 2019 in “Journal of cosmetic dermatology” This review explores the factors contributing to premature graying of hair, highlighting the role of genetic and environmental influences such as oxidative stress, and discusses potential interventions like diet and herbal remedies, while noting the limitations of common treatments like hair dyes.
12 citations
,
September 2018 in “International Journal of Cosmetic Science” This study demonstrated that the biomimetic peptide PTP20 may help preserve hair pigmentation and reduce greying by enhancing melanocyte function and increasing melanin production in human hair follicles.
12 citations
,
December 1981 in “Journal of Endocrinology” This study found that α-melanocyte-stimulating hormone increased melanin production in hair follicles of moulting Siberian hamsters, whereas [8-arginine]-vasotocin inhibited melanin production without affecting tyrosinase activity.
11 citations
,
February 2018 in “Archives of Pharmacal Research” This study found that finasteride decreases melanin levels in melanocyte and melanoma cells by inhibiting MC1R, without causing cytotoxicity, suggesting its potential role in regulating melanogenesis.
11 citations
,
January 2016 in “Evidence-based Complementary and Alternative Medicine” This study found that rice bran ash extract and orthosilicic acid both increased melanin synthesis and related protein expression in melanocytes, suggesting potential therapeutic use for melanin deficiency.
11 citations
,
January 1990 in “Cell and Tissue Research” Minoxidil does not specifically target any hair follicle cells.
10 citations
,
April 2022 in “Critical reviews in food science and nutrition” This review examines the potential role of odorant receptors in human skin cells responding to flavor compounds and their implications for skin health and disease, without providing new clinical results.
10 citations
,
June 2021 in “Journal of Investigative Dermatology” GNPTAB gene is crucial for normal hair color in humans and mice.
10 citations
,
May 2012 in “PloS one” This study found that non-pigmented hair follicles have significantly lower expression of nucleotide excision repair genes, which may be associated with reduced melanin production capacity in these follicles.
10 citations
,
January 2012 in “Journal of biomedical optics” This study used ultrahigh-resolution optical coherence tomography to observe hair shaft structures, finding melanin granules absent only in white hair, which may explain color differences between black and white hair.
10 citations
,
January 2000 in “Journal Of Cutaneous Laser Therapy” Laser hair removal might also work by damaging blood vessels around hair follicles.
10 citations
,
June 1999 in “Veterinary Dermatology” This report documents follicular dysplasia with pigmentary changes in two adult cows, contributing to the understanding of this rare condition in cattle.
10 citations
,
September 1994 in “International Journal of Dermatology” This case report describes three Iranian men with gradual reddish-brown pigmentation on their cheeks and preauricular areas since childhood, unresponsive to sunblocks and topical steroids.
9 citations
,
July 2022 in “Cell reports” This study found that Sox2 within dermal papilla cells in the hair follicle regulates hair pigmentation, influencing the type and production of melanin.
9 citations
,
April 2019 in “Dermatologic Therapy” This study reviewed the effectiveness of long pulse 1,064-nm Nd:YAG laser treatments for leg veins, hair removal, and skin rejuvenation, highlighting its safety, particularly for darker skin types, due to reduced pigmentary side effect risks.
9 citations
,
January 2018 in “Medical research archives” This review discusses the therapeutic use of photobiomodulation for various skin conditions, highlighting its efficacy in accelerating tissue repair, reducing inflammation, and treating pigmentary disorders and other skin diseases, but it reports no new clinical results.
9 citations
,
June 2017 in “The American journal of dermatopathology/American journal of dermatopathology” This study examined skin biopsies from a woman with Addison disease and found melanocytic hyperpigmentation in the epidermis, with a notable melanocyte/keratinocyte ratio indicating increased melanocyte presence in the arm compared to the thigh.
9 citations
,
May 2005 in “Facial plastic surgery” This article reviews safe and effective hair removal options for dark-skinned patients and reports no new clinical results.
8 citations
,
January 2020 in “PeerJ” This study found significant structural and compositional differences in hair affected by alopecia areata compared to healthy hair, using a range of physico-chemical investigation methods.
8 citations
,
January 2017 in “Korean Journal of Physiology and Pharmacology” This study found that pimecrolimus enhances melanin synthesis and promotes melanocyte migration, possibly by increasing MITF protein expression, which may explain its effectiveness in repigmenting vitiligo.
8 citations
,
August 2015 in “Journal of dermatological science” This study observed that the topical skin-whitening agent rhododendrol induced skin depigmentation in approximately 16,000 consumers, linked to melanocyte cytotoxicity and immune reactions.
8 citations
,
February 2005 in “Veterinary dermatology” This study suggests that hair loss in Chesapeake Bay retrievers is a breed-specific syndrome characterized by unique histological features and abnormal steroid production, possibly influenced by familial factors.
7 citations
,
September 2024 in “BMC Genomics” In this study, whole-genome sequencing of Lanping black-boned sheep identified ERBB4 and ROR1 genes as potentially important in their distinctive hyperpigmentation, enhancing understanding of their genetic evolution from Lanping normal sheep.
7 citations
,
February 2019 in “International Journal of Dermatology” This review discusses factors influencing hair pigmentation and the etiology of canities, noting the lack of clarity in underlying mechanisms and calling for further research on treatment options.
7 citations
,
July 2016 in “Journal of Biomedical Materials Research Part A” This study found that a novel hydrogel scaffold, cGEL, significantly increased melanin production and melanotic gene expression in human melanocytes compared to other graft materials, suggesting its potential as a superior carrier for skin grafting.
7 citations
,
August 2013 in “Experimental and Therapeutic Medicine” In this study, the researchers optimized a method for culturing melanocyte precursors from hair follicles and found that 1,25-dihydroxyvitamin D3 significantly promotes their differentiation and melanin synthesis.
7 citations
,
July 2013 in “Acta Biochimica Polonica” In this study, researchers found that cyclophosphamide treatment unexpectedly reduced splenic melanin deposition in a murine model, whereas this effect was down-regulated more by the normal and dystrophic catagen phase of the hair cycle.