9 citations
,
October 1957 in “A M A Archives of Dermatology” In this study, carotene injected into the skin was converted into vitamin A by sebaceous gland cells, where it was not normally detectable.
3 citations
,
August 2019 in “Medika Tadulako: Jurnal Ilmiah Kedokteran Fakultas Kedokteran dan Ilmu Kesehatan” In this study on New Zealand white rabbits, the researchers reported that a hair tonic formula combining bitter melon leaf and carrot extracts resulted in optimal hair growth, particularly at a 3:1 ratio and a concentration of 3%, without causing irritation.
2 citations
,
December 2014 in “Research & Reviews: Journal of Pharmacy and Pharmaceutical Sciences” This study found that a pet ether extract of Daucus carota promoted hair growth by inducing and prolonging the anagen phase in albino rats, surpassing the effects of 1% minoxidil.
December 2024 in “Majalah kedokteran Bandung/Majalah Kedokteran Bandung” In this study, carrot seed oil applied at a 75% concentration increased hair root, shaft, and tip thickness in rats, but did not promote hair length growth.
February 2023 in “Cosmoderma” This study found that combining red light therapy with oral beta-carotene significantly improved photoaging treatment outcomes compared to red light therapy alone, with Group A showing a 56.12% reduction in photoaging scores over 12 weeks versus 44.78% in Group B.
July 1989 in “British Journal of Dermatology” Long-term use of canthaxanthin may cause reversible changes in the eye, including crystal deposits and altered vision responses.
September 1983 in “Journal of The American Academy of Dermatology” Experts discussed hair care, genetic hair defects, hair loss treatments, nail surgery, lupus treatments, skin infections, and cosmetic allergies.
July 1980 in “Journal of The American Academy of Dermatology” The conference concluded that understanding hair and nail disorders is important, iron deficiency may be linked to hair loss, and while some treatments for skin conditions are effective, they may have risks and high costs.
60 citations
,
June 2017 in “IOSR Journal of Pharmacy (IOSRPHR)” This review highlights the chemical components and various potential health effects of Daucus carota but reports no new experimental results.
28 citations
,
January 2006 in “Journal of agricultural safety and health” This study found that skin disease, particularly fungal infections, is prevalent among Latino farmworkers in North Carolina, with no significant differences observed between workers at two different camps.
19 citations
,
May 2005 in “Archives of Environmental & Occupational Health” This study found that skin diseases were common among male Latino poultry-processing workers in North Carolina, with all workers diagnosed with at least one condition, affecting their quality of life.
17 citations
,
April 2004 in “Acta Clinica Belgica” This study found that ultraviolet light-enhanced visualization can detect subtle skin changes linked to carotene and vitamin A deficiency, which improved with dietary correction in deficient individuals.
20 citations
,
December 2010 in “Journal of Morphology” In this study, researchers found that alpha-keratin homologs similar to those in mammalian hair are present in the claws of the lizard Anolis carolinensis, suggesting a structural role during claw formation.
16 citations
,
March 2013 in “International Journal of Dermatology” This study found that infectious skin diseases were prevalent in immigrant Latino poultry processors and manual workers in North Carolina, with tinea pedis and onychomycosis being particularly common.
19 citations
,
September 2011 in “Seminars in Cutaneous Medicine and Surgery” This review discusses home-use laser and light skin devices for various dermatological purposes and reports no new clinical findings; the authors highlight the need for dermatologists to evaluate these devices' clinical value.
21 citations
,
September 2015 in “Journal of the European Academy of Dermatology and Venereology” This review examines the diagnostic significance of yellow and orange colors in skin lesions and concludes that their role is often underrepresented in the literature.
17 citations
,
September 2024 in “Cosmetics” This study assessed the antioxidant properties and contents of carotenoids and chlorophylls in 10 plant oils, finding fenugreek seed oil to be highest in carotenoids and pomegranate oil most active against free radicals, highlighting their potential as natural materials with antioxidant benefits.
15 citations
,
March 1996 in “PubMed” This study found that 82.3% of girls with anorexia nervosa had pili torti, an acquired hair defect, suggesting a potential link to excess vitamin A intake.
11 citations
,
November 1948 in “Journal of Dairy Science” In this study, riboflavin deficiency symptoms were observed in Guernsey calves fed radiated milk, but adding riboflavin improved growth and health, indicating its essential dietary need for young calves.
6 citations
,
March 2020 in “Anais Brasileiros de Dermatologia” This report highlights the successful treatment of skin and nail manifestations in a patient with primary hypothyroidism using levothyroxine, emphasizing the role of cutaneous symptoms in identifying thyroid disease.
May 2025 in “VETERINARY SCIENCE TECHNOLOGIES OF ANIMAL HUSBANDRY AND NATURE MANAGEMENT” In this study, researchers determined that poor feed quality and nutritional deficiency, especially low vitamin A levels, were leading causes of impaired reproductive function in nutria, with deficiencies most pronounced during February-March and linked to clinical signs like growth retardation and alopecia.
March 2022 in “International Journal of Current Science Research and Review” This article describes subclinical ketosis in pregnant cows and associates it with several metabolic changes and clinical signs, reporting decreased levels of hemoglobin and glucose and increased ketone bodies.
55 citations
,
January 2000 in “Cell biochemistry and function” This study observed that patients with alopecia had increased lipid peroxidation and decreased antioxidants, including lower beta-carotene, GSH levels, and GSH-Px activity, compared to healthy controls.
34 citations
,
January 2022 in “Molecules/Molecules online/Molecules annual” This review highlights the use of natural products in cosmetic-containing herbals for skin and hair care but reports no new clinical results, calling attention to their claimed curative properties and minimal side effects.
8 citations
,
January 2017 in “Elsevier eBooks” This review discusses the use of nutraceuticals in dermatology for preventing and reversing signs of skin aging, but it reports no new clinical results.
3 citations
,
January 2017 in “Revista chilena de nutrición” This review highlights that several clinical and epidemiological studies link a diet high in terpenoid compounds with a decreased risk of prostate cancer, supporting the potential use of terpenoids as therapeutic ingredients in treating this disease.
2 citations
,
June 2018 in “Jurnal Penelitian dan Pengembangan Pertanian” This paper discusses the health benefits and cultivation of new beta-carotene-rich antioxidant maize varieties released by the Ministry of Agriculture, noting their potentially higher yields compared to ordinary corn.
November 2024 in “International Journal For Multidisciplinary Research” This review highlights moringa powder's promising role in cosmetics, discussing its nutritional benefits for skin and hair, including anti-aging, hydration, and antimicrobial effects, while also addressing its formulation versatility and consumer acceptance within the beauty industry.
This study using Mendelian randomization found that higher levels of circulating β-carotene and α-tocopherol may reduce the risk of androgenetic alopecia, while α-tocopherol may also protect against alopecia areata, suggesting diet-derived antioxidants could aid in preventing non-scarring alopecia.
This review explores the extraction, characterization, and skin cosmetic effects of phenolic compounds and pigments from marine macroalgae, highlighting their documented benefits for skin health, such as whitening, moisturizing, photoprotection, and anti-aging effects, without adverse health impacts.