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This review highlights cobalt's essential role in vitamin B12 metabolism and its biomedical applications but also warns of health risks from high levels and environmental contamination, discussing remediation methods like phytoremediation.

This study from years of treating hair loss in Japan reported various treatment outcomes: some patients showed improvement with manual treatment alone, others with added finasteride, some did not respond to either, and some maintained benefits even after stopping finasteride.

This study developed and tested a shampoo with semi-permanent dyes designed to gradually cover gray hair, reporting maintained stability and effective gray–black coloration on high-canities hair tresses through eight wash cycles.

In this randomized, double-blind study, a shampoo containing Plantago asiatica L. significantly improved hair thickness and density while reducing hair loss over 12 weeks in adults compared to a placebo.

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 review discusses the need for an updated 'European hair cosmetic series' to include common contact allergens and remove outdated substances based on current evidence and regulations, but it reports no new results.

This review discusses the use of microbial biosurfactants as a safer alternative to chemical surfactants in cosmetics due to their antibacterial, moisturizing, and low toxicity properties, but it reports no new clinical findings.

This study observed that bleaching brown human hair with persulfate salts and hydrogen peroxide induced significant conformational changes in keratin, particularly affecting disulfide bridges and oxidized sulfur species, which may inform the development of hair restorative treatments.

In this study, researchers highlighted that while hair lipids are crucial for hair health and protection, surfactants in shampoos and conditioners can partially remove these lipids, potentially affecting hair structure, though the exact mechanisms remain poorly understood and require further investigation.

This study evaluated a levan-based polysaccharide, POLEVAN®, in shampoo formulations and reported that it significantly increased hair glossiness by 24%, allowed a reduction of surfactant content by up to 50% without affecting foam, and maintained scalp moisturization similar to hyaluronic acid in a clinical setting.

This review discusses the relationship between skin microbiome changes and conditions such as ageing and skin disease, emphasizing the need for further research, but reports no new findings.

In this study, shampoos containing sodium lauroyl methylaminopropionate showed superior coacervate formation and lubrication on wet hair, outperforming other amino acid surfactants and suggesting potential for creating low-irritation, high-performance hair products.

This study identified the most common allergens in hair products linked to scalp allergic contact dermatitis, with hair dyes, shampoos, and conditioners primarily associated with the condition.

This study formulated and tested a pomegranate leaf shampoo with antifungal properties, identifying an optimal composition of 5.5% SLS and 15.5% cocamide DEA, showing good foam stability, appropriate pH, and viscosity in lab tests.

This study explored the formulation of a 1% minoxidil gel shampoo, finding that specific combinations of surfactants significantly affect its foaming ability, which may enhance compliance compared to imported products.

This study reported that a newly formulated clear liquid shampoo with lavender oil may be effective and acceptable for dandruff control and overall hair and scalp hygiene, based on tests with twenty volunteers.

This study found that ingesting seeds from the Lecythis ollaria tree may cause hair loss and other toxic effects in animals.

This review discusses the choice and formulation of medicated and cosmetic shampoos for scalp disorders and hair aesthetics, providing guidelines based on hair types and patient age, and reports no new results.

The study found that cyproterone acetate could be released over 15 days using coconut oil mixed with certain wax inhibitors, though further safety studies are needed.

This study found that a hair tonic containing 15% ethanol extract of cocoa leaves effectively stimulated hair growth in rabbits, outperforming minoxidil 2%, and was safe with no skin irritation observed.

This case report describes a 73-year-old male with numerous colon polyps whose long-term use of Cape Aloe likely caused melanosis coli, which helped highlight the polyps' locations.

This study found that the new cocrystal formulation KET-PABA improved the antimycotic efficiency of ketoconazole and induced an anti-inflammatory response without causing skin sensitization in mice.

This meta-analysis reported that dienogest and combined oral contraceptives had comparable efficacy and tolerability for endometriosis treatment, with therapeutic choice suggested to be based on patient preference and clinical history.

This study suggests that while hair analysis using GC-MS is a sensitive method for detecting cocaine ingestion, it may not reliably indicate the amount, timing, or duration of drug use due to interindividual variability and multiple incorporation mechanisms.

This case report describes a 52-year-old woman who developed retiform purpura after using cocaine likely adulterated with levamisole, highlighting the need for levamisole detection in such cases.

This study found that methanol extract from Anisomeles indica has significant antidepressant and antidiarrheal effects in animal models and notable anti-inflammatory activity in vitro.

This study found that Carbon Quantum Dots effectively detected and quantified Co²⁺ ions and methylcobalamin in tap water with high sensitivity and recovery rates between 95% and 105%.

This study found that mimosine dipeptide enantiomers inhibit melanogenesis and cyclooxygenase enzymes in B16F10 melanoma cells, suggesting potential for treating skin hyperpigmentation and inflammation.

This study found that formulations containing saccharide isomerate significantly improved scalp flaking, sebum secretion, and transepidermal water loss compared to placebo in an adult Chinese population with dandruff.