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Senior residency helps dermatology graduates develop skills and plan their careers.

In this experimental study using rabbits, the researchers evaluated hair tonic formulations containing cinnamon essential oil and virgin coconut oil, finding that formula 3 had hair growth activity exceeding the positive control, though overall growth activity differences were not statistically significant.

In this research on cinnamon and virgin coconut oil hair tonics, F2 and F3 demonstrated stable physical properties and mild irritation potential, while formula 1 remained non-irritating but less stable regarding pH and viscosity.

This essay discusses hair loss due to head bone displacement and does not report new clinical results, building on the author's prior work regarding the natural process of growth-related changes.

This study found that BEO inhibited cell proliferation and inflammatory mediator release in a human keratinocyte acne model and reduced acne lesion severity in a rabbit model, suggesting its potential as a natural alternative to conventional acne treatments.

This study found that applying topical cinnamon essential oil on male wistar rats increased hair length and hair follicle diameter similarly to 2% minoxidil over 30 days.

This study found that deleting the ATR gene in adult mice led to rapid onset of age-related traits such as hair graying and osteoporosis through reduced regenerative capacity.

This study found that absence of the vitamin D receptor in keratinocytes impairs canonical Wnt signaling and leads to alopecia due to defects in keratinocyte stem cells.

This review discusses zinc's role as an essential trace element in human nutrition, particularly its importance in total parenteral nutrition, and reports no new clinical results.

This study demonstrated that disrupting sonic hedgehog signaling, using cyclopamine, significantly impaired wound healing in a mouse model, suggesting its crucial role in postnatal tissue repair.

In this mouse study, severe selenoprotein deficiency in epidermal cells was linked to skin abnormalities, disrupted hair follicle development, and progressive alopecia, highlighting the role of selenoproteins in skin and hair health.

This study demonstrates that YAP and TAZ are essential for initiating basal and squamous cell carcinomas in mice, and suggests targeting these pathways could be beneficial for treating skin cancers.

This study found that children with autism spectrum disorder generally have lower levels of both essential and toxic trace elements in their hair compared to controls.

This study found that iron retention in macrophages impairs hair follicle growth and delays wound healing in mice, highlighting the importance of macrophage iron release for skin health.

This study found that autophagy plays a novel role in human hair growth, with altered autophagic flux during hair development phases influencing hair follicle behavior in a preclinical model.

This study found that mice lacking alkaline ceramidase 1 with elevated skin ceramide levels showed disrupted skin homeostasis, including altered hair follicle structures, increased water loss, and a hypermetabolism phenotype.

In this study, researchers found that selectively disabling ribonucleotide excision repair in mouse epidermis caused DNA damage, skin inflammation, and led to skin cancer, suggesting a potential role for this repair mechanism in tumorigenesis.

This study introduced Scd3-Cre mice, which enabled sebocyte-specific manipulation, revealing that sebaceous lipid depletion impaired water repulsion, thermoregulation, and the ocular surface, resembling Meibomian gland dysfunction.

This study examined the extracts and essential oil from Platycladus orientalis leaves and found that the ethanol extract had the highest antioxidant activity, while the essential oil was more effective as an antibacterial agent, particularly against Micrococcus luteus and Staphylococcus aureus.

This study found that the interaction between heat shock protein 90 and lamin A/C is crucial for the growth, migration, and self-aggregation of dermal papilla cells, suggesting a potential role in alopecia areata mechanisms.

This study analyzed the essential oil from Chamaecyparis lawsoniana and found that it is rich in limonene and exhibits antibacterial and antifungal properties, particularly against Candida albicans and certain Gram-positive bacteria.

This study found that essential oils from Hedychium spicatum showed anti-inflammatory, antinociceptive, antipyretic, and antioxidant activities, with site-specific variations in their effectiveness.

This review discusses the dermatological applications and potential health benefits of Epigallocatechin-gallate (EGCG) from green tea, but provides no new clinical findings.

This study presents a novel optical microscopy technique showing that biomagnetic fields in hair follicles can interact with those in blood, affecting magnetic profiles until catalase breakdown.

This review discusses the medicinal properties of Alpinia zerumbet Roxb. and highlights its potential for further research, but provides no new clinical results.

This study found that when human hair follicles are immersed in hydrogen peroxide, the resulting oxygen bubbles indicate catalase activity, and their absence may suggest tissue death.

This case report discusses a 35-year-old man with progressive alopecia areata who did not respond to minoxidil treatment but offers no new clinical trial results.

In this case report, a 75-year-old man with benign essential blepharospasm and Parkinson disease experienced significant symptom relief from dystonia after starting finasteride, suggesting it may be a potential therapeutic option.

In this study, Cyperus rotundus essential oil was found to have significantly better depigmenting effects than hydroquinone for treating axillary hyperpigmentation, with additional benefits in reducing inflammation and hair growth, making it a cost-effective and safe treatment option.

This study found that rice bran supercritical CO₂ extract was classified as a non-irritant for ocular use but a moderate irritant for dermal use in rabbits and guinea pigs.