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This review reports very low quality evidence for the effectiveness and safety of treatments in extensive resistant alopecia areata and emphasizes the need for high-quality randomized controlled trials.

This study found that a hair tonic containing 2% green tea extract significantly reduced scalp sebum in 20 volunteers over 28 days without causing skin irritation, suggesting its effectiveness and safety for managing scalp greasiness.

This study found that dogs with idiopathic epilepsy had altered hair concentrations of several trace elements, which may suggest a role in the disease's pathophysiology and indicate effects from antiseizure medications.

This study investigated the extracellular polysaccharides from the edible green alga Parachlorella sp. BX1.5, finding that they have potential applications in cosmetics and health products due to their stability, antioxidant properties, and effects on hair growth in mice.

Certain skin drugs and topical agents, including some natural extracts and fragrances, can cause allergic reactions. Some hair dyes and extensions, as well as minoxidil, a hair growth treatment, can also cause allergies. Botulinum toxin A can effectively reduce sweat but may have temporary side effects.

This chapter reviews various dermatological drugs and treatments, highlighting adverse effects, with no new clinical findings reported.

This chapter reviews dermatological treatments, noting that botulinum toxin A is associated with a higher occurrence of focal weakness compared to controls, and reports on adverse effects of finasteride and PUVA therapy.

This article discussed the potential risks of commercial hair oils, which may contain harmful ingredients, and suggested that additive-free ayurvedic oils could offer a safer alternative for maintaining healthy hair, while urging dermatologists to be informed about different herbal hair oil options.

In this study, baicalin, a component of Baikal skullcap, was found to inhibit necroptosis in a cellular model of toxic epidermal necrolysis, suggesting it may be effective against severe drug-induced skin eruptions.

This study found that formalin-induced pain in rats nearly eliminates testosterone in the brain and spinal cord by likely increasing 5α-reductase activity, but normalizes serum levels after 24 hours.

Lasers are effective for some skin conditions but can cause side effects like scarring and pigment changes; careful selection is important, and botulinum toxin type A is successful in reducing sweat in palmar hyperhidrosis.

This review discusses the cutaneous side effects of chemotherapy, noting that they frequently involve changes to skin, hair, and nails, and reports no new results.

This review examines the incidence and management of dermatologic adverse effects from FDA-approved oral targeted cancer therapies, highlighting frequent occurrences like rashes and rarer severe conditions such as Stevens-Johnson Syndrome.

This article reviews the skin effects of anabolic-androgenic steroid use in athletes but reports no clinical results.

Niosomes are a promising and effective way to deliver drugs through the skin.

A woman had a severe skin reaction from the drug imiquimod, used for skin cancer, highlighting the need for awareness of rare but serious side effects.

This paper reviews the effectiveness and side effects of various treatments for androgenetic alopecia, telogen effluvium, and alopecia areata, emphasizing the importance of discussing each option's costs, benefits, and risks with patients.

This study found that the F6 formulation of a hair tonic containing EDS and ATG extracts produced the most significant hair growth in rabbits, without causing skin irritation and remaining stable throughout the observation period.

This study found that intrauterine administration of botulinum toxin A improved endometrial environment and receptivity in a murine model of thin endometrium through mechanisms involving IGFBP3 and osteopontin.

This study observed that using moringa leaf extract in hair tonic reduced hair loss among the sampled students, with the average hair loss decreasing from 118.75 strands to 79.25 strands per day.

In this study of Beauty and Aesthetics students, researchers found that using a hair tonic made from Green Spinach Leaves significantly reduced hair loss when applied weekly, compared to a control, but no significant difference was observed when increasing application to twice weekly.

This study found that a hair tonic made with 10% cassava leaf extract in combination with rose water juice improved hair length growth in rabbits compared to a commercial product.

In this study, a hair tonic formulation with bean leaf juice increased hair growth in male rabbits, with concentration-dependent improvements in hair length and weight compared to a control.

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.

In this study, researchers used scanning electron microscopy to analyze hair damage from 3% hydrogen peroxide and UVB radiation, observing that Caesalpinia sappan hair tonic formulations coated and interacted with the hair cuticle, potentially modifying hair fiber damage.

This study found that scalp care using micro-needle therapy was effective in improving hair density and thickness in middle-aged women with menopausal symptoms compared to a control group.

In this study, Caizhixuan hair tonic was found to promote hair growth in androgenetic alopecia mice by regulating the PI3K/Akt and apoptosis pathways.

This report examines the mechanisms by which TCDD affects human epidermal and carcinoma cells, aiming to create a risk assessment model for halogenated aromatic compounds, but presents no new clinical results.

This study found that both acute and chronic exposure to nano polystyrene in laboratory rats disrupted hematological function, increased oxidative stress, and led to behavioral and physiological changes, like anemia-like effects and neurological disruptions, suggesting its potential as a cumulative toxicant.

This research explored potential mechanisms for the toxicity of mimosine but did not identify a conclusive reason for its adverse effects.