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Minoxidil, when applied to the scalp, can stimulate hair growth but effects vary, stop if treatment ends, and it may cause side effects like fluid retention.

This study used air wedge interferometry to measure the thickness of human scalp hair from three individuals, finding average thicknesses of 66.482 µm, 59.355 µm, and 59.927 µm respectively, within the typical range for adults.

Platelet-rich plasma (PRP) is an effective treatment for hair loss that involves scalp injections and requires ongoing maintenance.

This study observed that in mice, small-scale x-ray irradiation resulted in uniquely rapid healing of hair follicles, differing from the hypertrophic and hyperplastic responses seen in larger irradiated areas.

This article reviews the social and functional impact of eyebrow loss and highlights the limited treatment options compared to scalp alopecia, but reports no new clinical results.

In this study, applying FGF-2-containing dalteparin/protamine nanoparticles to the scalp was associated with a significant increase in hair diameter over six months among participants with thin hair.

This study found that topical fluridil increased the anagen hair percentage in men with androgenetic alopecia without causing irritation or systemic absorption over 9 months.

In this study, applying deer antler velvet extract-loaded niosomes and microspicules serum to the scalp significantly improved hair growth, melanin content, and skin hydration over 14 to 30 days without causing skin irritation.

This study observed that 5% minoxidil topical foam alters gene expression and signaling pathways in the scalp, providing insights into its mechanism of action in men with androgenetic alopecia.

This research observed that finasteride-loaded ethosomes showed improved permeation across rat skin and human cadaver scalp skin compared to unencapsulated finasteride, potentially enhancing delivery to hair follicle units.

This review discusses current treatment strategies for alopecia and highlights the potential of lipid-based nanoparticles to improve drug delivery to the scalp and hair follicles, noting their ability to enhance skin penetration and drug stability while outlining associated challenges and the need for further research.

This review discusses the potential for surface-modified nanostructured lipid carriers to enhance hair regrowth by improving drug absorption and stability, focusing on their use with agents like minoxidil and finasteride for hair loss treatment.

Pubic hair transplantation can help women with little to no pubic hair, using scalp hair for a natural look and requires careful aftercare.

The study suggests that CO₂ laser creates hair transplant channels with significantly less lateral thermal damage than Ho:YAG laser in the human scalp.

This review explores how colloidal drug delivery systems can enhance the stability, absorption, and bioavailability of phytochemicals, potentially rediscovering ancient compounds' therapeutic benefits and overcoming limitations like poor solubility and bioavailability.

In this study, chitosan glycolate sponges demonstrated the highest cell survival rates and blood absorption, highlighting their potential as hemostatic materials, whereas chitosan ascorbate sponges inhibited cell growth and metabolic activity, indicating further development is needed.

This study concluded that two different pharmaceutical formulations of finasteride were bioequivalent in terms of rate and extent of absorption based on pharmacokinetic evaluations in a randomized crossover study with 38 volunteers.

In this report, successful management of inherited acrodermatitis enteropathica, a zinc absorption disorder due to an SLC39A4 gene defect, was demonstrated in an infant through zinc supplementation.

In this study, researchers found that eccrine sweat glands in human scalp skin are morphologically integrated into the pilosebaceous unit, suggesting they form a common homeostatic tissue environment with adjacent structures.

This research reported that squarticles, nanoparticles made from sebum-derived lipids, enhanced the follicular delivery and skin accumulation of diphencyprone and minoxidil, indicating effective drug deposition with reduced systemic absorption in alopecia treatment.

In this study, 3% topical minoxidil showed some efficacy in hair regrowth for patients with extensive alopecia areata, especially those with less than total scalp hair loss, but did not lead to complete remission.

This study reviewed 54 articles to examine how continuous exposure to air pollution causes hair damage, hair loss, and scalp conditions due to oxidative stress and inflammation, and highlighted anti-inflammatory substances that could mitigate these effects.

This study observed that the molecular structure of keratins in hair fibres' discrete transition zone differs in breast cancer patients, with altered lipid ester absorption bands reverting post-cancer removal.

In this study, a newly developed polyherbal hair oil exhibited promising characteristics, including a beneficial pH and antimicrobial activity against Staphylococcus aureus, with preliminary tests suggesting it supports scalp and hair health without adverse effects.

This study developed plant-pigment-based shampoos using extracts from Neem, Fenugreek, Hibiscus, and Butterfly Pea, which demonstrated stability, antimicrobial properties, and potential scalp benefits such as hair growth promotion and dandruff reduction, making them a promising alternative to synthetic dyes.

This paper reviews the benefits of using silk proteins as natural ingredients in cosmetics, highlighting their potential for improving skin and hair health due to properties like antimicrobial activity, UV resistance, and enhanced moisture absorption.

This study evaluated herbal hair gels made with extracts of flax seed and curry leaves, finding that the formulations offered good texture, stability, and sensory appeal while promoting healthy hair and scalp without irritation, making them suitable for regular use.

This study found that ZnO nanoparticles in topical skin products do not penetrate beyond the outer skin layers in humans, suggesting minimal safety concerns for subdermal absorption.

This study found that poly(ethylene-co-vinyl alcohol) membranes support the self-assembly of dermal papilla cells into compact spheroidal microtissues capable of inducing new hair follicles, suggesting potential for large-scale production for hair follicle regeneration.

This study developed lipid-core nanocapsules for encapsulating menthol, improving its solubility and thermal stability, and demonstrated their safety and rapid skin absorption in ex vivo tests, highlighting potential applications for cosmeceuticals.