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This review highlights that natural hair dyes from plant-derived pigments can produce viable colors on gray hair with low irritation potential, though they face challenges in shade range and consistency; some products may also be adulterated, affecting safety perceptions.

This review summarizes current research on natural hair dyes, reporting that plant-based formulations can safely provide viable colors on gray hair with minimal irritation compared to synthetic options but face challenges in color range and consistency.

This study investigated the pharmacognostic characteristics of Adenostemma lavenia leaves, identifying key diagnostic features and confirming the presence of major phytoconstituents such as alkaloids and flavonoids, to help standardize this traditional medicinal herb.

In this study, researchers developed a novel dry shampoo powder using traditional Indian botanicals and found that it demonstrated effective cleansing properties, favorable physicochemical characteristics, and no adverse effects in animal safety evaluations, offering an eco-friendly alternative to synthetic shampoos.

This study found that soups with 5% and 10% hibiscus flower were more desirable in sensory attributes and had higher β-carotene content compared to the control soup.

This study suggests that the aerial roots of Ficus bengalensis contain high levels of bioactive compounds, offering potential therapeutic benefits for conditions such as infertility, cancer, and cardiovascular diseases.

This study developed a highly effective herbal powder shampoo using natural ingredients like Multani Mitti and banana extract, aiming to match the functionality of synthetic alternatives.

This study suggests that mutamba fruit, regardless of maturation stage, could be valuable in the food industry due to its high soluble solids, vitamin C, and mineral content.

This study developed a Garcinia cambogia-enriched food product, identified the most acceptable variation, and suggests further research on its potential benefits for weight management and PCOS.

This study concluded that freeze-dried and natural forms of a hair growth promoter derived from traditional recipes have mostly similar chemical constituents.

In this study, researchers developed poly herbal shampoo formulations using natural herbs like Ashwagandha and Amla, which showed effective hair care benefits including strengthening hair growth and preventing dandruff while maintaining safe pH and foaming capacity; however, stability studies for these formulations are needed.

This review discusses the therapeutic potential of Ganoderma lucidum's secondary metabolites, noting their diverse health benefits, such as anticancer and antioxidant effects, without presenting new experimental results.

This study, conducted among Egyptians, found a borderline significant association between the Stul polymorphism of the androgen receptor gene and androgenetic alopecia in males, with higher androgen receptor expression in balding scalp areas.

This study found that the long-pulsed alexandrite laser effectively reduced hair growth with varying efficacy depending on the pulse duration, anatomic location, and number of treatments, without causing permanent adverse effects in skin types I–III.

This article reviews light-based hair removal devices for home use, highlighting safety issues and the need for consistent international regulations and guidelines for their manufacture and marketing.

This article reviews the basics of hair follicle biology, laser/tissue interactions, and hirsutism and hypertrichosis causes, discussing the long-pulsed alexandrite laser's role in hair reduction without reporting new clinical results.

This review reported that home-use laser and intense pulsed light devices effectively reduce hair with significant efficacy and safety, showing 80% hair reduction one year post-treatment, although results can vary for darker skin types and compared to professional devices.

In this study, Australian cashmere goats receiving protein supplements maintained their weight and showed increased fleece growth, though cashmere growth was largely unaffected.

In this study, a square pulse, low-fluence IPL device used at home significantly reduced terminal hair count by 87% six months post-treatment, with evidence of hair miniaturization similar to professional laser treatments.

This survey found support among BAAPS members for using procedure-specific consent forms to improve clarity and consistency in patient information for aesthetic procedures.

This study found that severe zinc deficiency induced in weanling rats led to growth retardation, hair issues, and dermal lesions, all of which were completely reversed by zinc supplementation.

This study found that ginsenoside Rb1 promoted the growth of mink hair follicles and dermal papilla cells, potentially through activating the PI3K/AKT/GSK-3β signaling pathway.

In this study, loss of epidermal Par3 in mice disrupted the skin barrier and affected cell differentiation and stem cell maintenance, highlighting its role in epidermal homeostasis.

This study examined the genetic basis for the curly hair trait in Mangalitza pigs, finding two specific genetic variants that contribute to this distinctive phenotype through autosomal dominant inheritance.

This study reported that a newly developed UHPLC-MS/MS method detected illegal synthetic hair-growth compounds in 10% of 76 hair-growth products, highlighting the need for ongoing monitoring to protect public health.

This review suggests that understanding the biological and molecular reasons for more severe COVID-19 in men, particularly those at risk for prostate cancer, could improve management of these patients, but reports no new results.

This study found that thymus transplantation in infants with FOXN1 deficiency led to T-cell reconstitution and functional immunity, resolving serious infections and cytopenias.

This study found that nanoparticles did not permeate intact rat skin but could penetrate skin that had been artificially punctured, primarily through grooves or hair follicles.

This review discusses the influence of androgens on hair and sebaceous growth, emphasizing that response may depend more on peripheral sensitivity than on hormone levels; it reports no new empirical results.

Human hair's ability to get wet is complex and can change with treatments, damage, and environment.