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This clinical trial found that hemp seed oil may be a promising treatment for localized alopecia areata, with notable hair regrowth observed in some patients after eight weeks of use.

In this study, topical CBD significantly increased hair count by 93.5% over six months in individuals with androgenetic alopecia, with no adverse effects reported.

This review discusses the diverse industrial applications of hemp beyond traditional fiber uses, highlighting its phytochemical components with antioxidant and antimicrobial properties that are explored in agrochemicals, cosmetics, and food sectors.

This paper reviews existing research on the cosmetic benefits of hemp-derived cannabinoids for skin and hair, highlighting their unique mechanisms of action, while discussing formulation, legal, and regulatory challenges associated with using these compounds in cosmetic products.

In a case series, this study reported significant hair regrowth in both men and women with androgenetic alopecia using a topical hemp extract high in CBD, THCV, and CBDV over six months.

This study found a 93.5% increase in nonvellus hair after 6 months of daily topical CBD application on the scalp in individuals with androgenetic alopecia, with no reported adverse effects.

This study conducted in Rabat surveyed 100 individuals with afro-textured hair to identify plant-based treatments, finding twelve plant species purportedly effective in managing hair issues, with Ricinus communis, Cocos nucifera, and Aloe barbadensis being the most frequently cited.

This study evaluated the stability and capillary growth-stimulating activity of emulsions made with natural plant extracts and oils in vivo on guinea pigs, finding that specific hydrophilic/lipophilic balance and globule size contribute to a stable and effective formulation.

This study examined the potential benefits of incorporating cannabis-derived compounds like cannabidiol and seed oil into skincare products, finding they may improve skin health and address inflammation and dermatological issues, thus supporting their role in developing effective cosmeceuticals.

Hemp seed biomaterials may reduce hair loss and improve hair growth.

In this review, the authors discussed the potential of hemp in cosmeceutics for skin conditions like acne and dermatitis, emphasizing its therapeutic properties and formulation challenges but noting the need for standardizing cannabinoid content and documenting effectiveness.

This study found that Sinja Valley residents possess traditional knowledge of 13 edible oil-producing plant species, yet this knowledge is at risk due to sociocultural changes. Despite its benefits, including treating disorders like gastritis, use of indigenous oils is declining as commercial products become prevalent.

This chapter reviews plant-based ingredients for hair oils that may improve hair health by increasing scalp blood circulation and providing external nutrients, but it reports no new results.

This study developed and evaluated a herbal hair oil formulated with various plant extracts, reporting significant enhancement in hair growth activity in human models compared to controls, alongside promising physicochemical properties and safety indicators.

This review discusses the potential benefits and challenges of using hemp actives like cannabinoids, terpenes, and flavonoids in skincare products, emphasizing their anti-inflammatory, antimicrobial, and antioxidant properties and strategies to enhance their penetration and integration in natural and sustainable cosmeceuticals.

In this review, researchers highlighted the use of essential oils, praised for their antimicrobial and anti-inflammatory effects, in treating a variety of conditions, and noted their emerging role in dermocosmetics for issues like hyperpigmentation, acne, and skin aging.

This review summarizes research on cannabinoids like CBD and THCV, reporting that they improve hair growth in patients with androgenetic alopecia when applied topically, with CBD showing a dose-dependent effect.

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.

Bee pollen, green tea, essential oils, and various plant extracts improve skin and hair health.

This study found that a topical solution of essential oils, plant-extracted polyunsaturated fatty acids, and Vitamin E improved hair shine, reduced flaking and hair loss, and enhanced skin hydration in rabbits with skin issues.

This review discusses the use of nanomaterials in cosmetics, highlighting their benefits like enhanced stability and skin penetration, while also noting potential health risks and the role of natural ingredients in formulations.

This study found that environmental conditions significantly influenced rabbit coat quality, while dietary linseed oil supplementation changed the fatty acid profile but did not improve coat thickness or heat protection.

This review explored the use of six tropical plants, such as Acacia concinna and Garcinia mangostana, as natural active ingredients in shampoos, highlighting their beneficial physicochemical properties and biological activities for hair care and scalp maintenance.

This study reported that rice bran oil from the Thai rice variety BB4CMU showed potential in promoting melanin production and inhibiting steroid 5α-reductase, suggesting a natural option for hair revitalization.

This review discusses the potential of P. polyphylla saponins to treat acne through antibacterial, anti-inflammatory, immunomodulatory, and antioxidant effects, noting that acne's complex pathogenesis makes this line of research promising for future studies.

This review discusses the medicinal and health benefits of caraway, Chinese chives, and cassia, focusing on their antibacterial, antioxidant, antimicrobial, anti-inflammatory, and anticancer properties due to their range of secondary metabolites.

This study reviews the potential to repurpose human hair waste, often discarded from places like barber shops and hospitals, into valuable raw materials for chemical and materials science applications, despite existing challenges in its utilization.

This study evaluated a commercial topical solution with essential fatty acids for its potential effectiveness in treating skin disorders in rabbits.

Non-drug methods like diet, supplements, and aromatherapy can help manage hair loss and its emotional impact.

This review highlights the beneficial effects of certain herbal drugs in treating skin diseases, such as their healing, antifungal, antiviral, antibacterial, anti-inflammatory, and antitumor-promoting activities, emphasizing recent technical advancements in the field over the past 17 years.