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This study found that a hair tonic formulated with 0.3% cocoa bean extract demonstrated the best physical stability and effectively promoted hair growth in mice, with results comparable to a positive control when used twice daily for two weeks.

In this study, researchers developed a hair tonic using shallots (Allium cepa L.) and found that its F2 formulation was as effective as the positive control in promoting hair growth on the 21st day and remained stable over 28 weeks of testing.

In this study, variations in candle nut oil concentration (5%, 6%, 7%) impacted the characteristics and stability of a hair tonic nanoemulsion, influencing factors like droplet size, pH, and viscosity.

In this study, bleaching and perming were found to significantly reduce opiate concentrations in both spiked and naturally opiate-positive human hair samples.

This review discusses strategies for developing semi-solid topical generic products to match the quality of reference-listed drugs, using concepts like quality by design and reverse-engineering, but reports no new results.

This review discusses the potential benefits of rosemary-based hair growth serums, noting that rosemary oil showed comparable results to 2% minoxidil in improving hair parameters for androgenetic alopecia, though more research is needed on standardized formulations.

This review highlights a polyherbal hair formulation that combines various natural ingredients, reporting potential benefits in improving scalp circulation, strengthening hair, and promoting regrowth, which might offer a safer alternative for managing male pattern baldness compared to synthetic drugs.

This study developed a herbal shampoo using Reetha, Amla, Neem, Bringraj, Jatamanasi, and Aloe vera, reporting that the shampoo met pharmacognostical standards and showed increased hair growth activity, excellent washing and conditioning effects at 1% concentration, and stability with no skin irritation.

This study reports the successful formulation of a stable herbal hair serum with Catharanthus roseus extract and other ingredients, noting it has a suitable pH, consistency, and stability, suggesting potential effectiveness as a natural alternative for hair care pending further clinical trials.

This study concluded that hair tonic formulated with galangal rhizome and Aloe vera extract was stable according to the Indonesian National Standard, showing consistent organoleptic, pH, and viscosity characteristics after stability testing.

This study found that a hair tonic containing 40% broccoli stalks extract was more effective in promoting hair growth in male white rats compared to lower concentrations, while also maintaining stable physical characteristics and safety during testing.

This study found that a green tea extract gel was stable across various temperatures, did not cause eye irritation, and significantly increased eyelash growth compared to a placebo after two months of use in human volunteers.

This study found that hair growth gel and tonic containing red grape seed extract were physically and chemically unstable under high temperature and humidity conditions over 30 days.

In this study, researchers assessed the physical-chemical and microbiological stability of various pharmaceutical ingredients in the vehicle TrichoSolTM, finding differing beyond-use dates for the compounds, such as 180 days for cetirizine hydrochloride, but only 90 days for progesterone at higher concentrations.

This study developed and validated a gradient reversed-phase liquid chromatographic method to effectively measure Finasteride and its related impurities in pharmaceutical bulk drugs, demonstrating high linearity and precision.

This study found that compounded minoxidil solutions in a propylene glycol-free and alcohol-reduced foam remained stable for 180 days, meeting United States Pharmacopeia standards for strength, pH, and antimicrobial effectiveness.

This study investigated the metabolic pathways of epristeride, a new Type II 5α‐reductase inhibitor, using in vitro models and found that its metabolites show significant interactions with key proteins, suggesting implications for its role in doping control.

This study found that methylcellulose-based hydrogels can effectively deliver growth hormone through the skin, with albumin increasing the hormone's permeation to 93% in simulated in vivo conditions.

This study developed a stable nanoemulsion-based hair serum containing M. oleifera seed oil, which maintained its physical characteristics and reduced the oil's sticky texture, making it more suitable for hair loss treatment compared to traditional formulations.

This review discusses the use of different biological samples, including hair, for drug testing and highlights the complexities and considerations involved in interpreting results; it reports no new findings.

This study found that oxybenzone is very stable under light exposure, contradicting previous findings of its oxidation to semiquinone after solar irradiation.

The researchers reported that hydrogels made from methacrylated glycol chitosan and hyaluronic acid with chondroitin sulfate may be suitable for load bearing soft tissue repair, showing enhanced chondrocyte viability and metabolic activity.

This study developed a herbal shampoo formulation using Aloe vera, Hibiscus, and Amla extracts, showing good physicochemical properties, antimicrobial potential, and positive user acceptance, suggesting it as a promising alternative to synthetic shampoos.

This study describes the formulation of a herbal shampoo using plant extracts like Aloe vera, Hibiscus, and Amla, and reports that it demonstrated desirable attributes such as cleansing and hydrating effects, making it a suitable alternative to conventional synthetic shampoos.

This study found that keratin-based particles were able to recover and enhance the mechanical properties and thermal stability of virgin and overbleached Asian hair, improving its strength and smoothness by around 40%, and demonstrated safety in human skin keratinocytes.

This study evaluated four minoxidil gel formulations for alopecia treatment, finding similar drug release across membranes and stability over three months, with no skin irritation observed in mice.

This review discusses the current state of research on skin organoids, highlighting their potential for replicating complex skin structures and comparing recent studies on stem cell microenvironments.

This study demonstrates that a newly developed bio-based, dual-phasic hair serum offers a sustainable and effective alternative to traditional silicone-based serums, enhancing hair cuticle integrity and consumer appeal while supporting environmentally friendly formulation design.

This review article describes the ingredients and evaluation tests for formulating a hair serum aimed at improving hair growth and preventing hair loss, highlighting the roles of Citrus sinensis, Nigella sativa, flax seed, and coconut oil in addressing hair and scalp health.

This study evaluated a newly formulated polyherbal anti-dandruff shampoo that incorporates natural ingredients, such as Neem and Aloe vera, to effectively clean hair, control dandruff, and promote hair growth without using harmful synthetic chemicals.