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This summary outlines the essential roles and recommended daily intakes of biotin, while discussing consequences and mechanisms of deficiency, but presents no new research findings.

This study found that Transcutol-containing vesicles improved the delivery of minoxidil to deeper skin layers in vitro but did not facilitate its permeation through the skin.

In this study, a polyphenol and biotin supplement improved skin roughness and significantly reduced hair shedding, but did not demonstrate clear superiority over placebo in overall skin outcomes.

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.

In this case study, a 51-year-old woman with acquired acrodermatitis enteropathica linked to nutritional zinc deficiency showed significant improvement in skin and hair symptoms one week after receiving zinc gluconate, topical applications, and supportive TPN therapy, highlighting the importance of early recognition and treatment.

In this study, administering retinoic acid to pregnant albino mice increased fetal epidermal thickness and decreased hair follicle development, suggesting caution for its use during pregnancy.

This study found that adipose-derived stem cell extracellular vesicles reduced wrinkles and promoted cell proliferation in UVB-induced photoaging in mice by decreasing oxidative stress and inflammation.

This study found that providing quality pharmaceutical care is crucial for safe and effective use of vitamin and mineral supplements during pregnancy and breastfeeding, as many women incorrectly perceive them as entirely safe.

In this study, the researchers reported that calcipotriol pre-treatment made photodynamic therapy more effective and safe than conventional treatment for actinic keratosis on the scalp, improving long-term clearance rates, especially for Grade II lesions. However, they suggested larger trials are necessary to corroborate these findings.

This article offers strategies for managing acne effectively and safely, emphasizing treatment optimization, patient tailoring, and addressing antimicrobial resistance, but reports no new clinical results.

In this study, the researchers optimized a method for culturing melanocyte precursors from hair follicles and found that 1,25-dihydroxyvitamin D3 significantly promotes their differentiation and melanin synthesis.

This study reported that a 19-year-old man's essential fatty acid deficiency was reversed with daily topical application of linoleic acid, improving clinical symptoms and normalizing certain fatty acid levels.

This study found that cyproterone acetate treatment improved quality of life and reduced anxiety and depressive symptoms in women with skin manifestations of hyperandrogenism.

This review discusses the capabilities of ethosomes as drug delivery carriers and reports improved outcomes in a clinical study with an ethosomal acyclovir formulation.

Tofacitinib 2% ointment helped hair regrow in 3 out of 10 patients with alopecia areata, but caused side effects like scalp irritation and raised cholesterol in some.

In this case report, applying linoleic acid topically reversed essential fatty acid deficiency and related skin symptoms in a patient receiving long-term fat-free intravenous nutrition.

This study reports a case of alopecia areata affecting the eyebrow and eyelash in a female patient after starting acitretin therapy for psoriasis.

This study found that intradermal injections of group B vitamins and cystin B6 complex improved scalp circulation, supported hair growth, and reduced hair loss in patients with diffuse alopecia.

This study concluded that the optimum biotin microemulsion hair tonic composition involves span 80 (20%), tween 80 (9.47%), and PEG 400 (5%), providing favorable viscosity and globule size.

This study reported that applying a cream with 5% vitamin C reduced dermatoporosis-related purpura, suggesting the condition may be linked to vitamin C deficiency.

This study found that betamethasone increased tyrosinase activity and melanin content in amelanotic melanocytes from human hair follicles, suggesting a potential mechanism for glucocorticoid treatment in vitiligo.

This study found that vitamin C increased the survival, proliferation, and hair-regenerative potential of adipose-derived stem cells through the MAPK pathway and enhanced hair growth in mice.

This study found that cyclophosphamide induced significant keratinocyte apoptosis in anagen hair follicles of mice, while topical calcitriol-analogs reduced this apoptosis, suggesting a protective effect against chemotherapy-induced alopecia.

This study reported that oral zinc therapy improved hair and skin abnormalities in patients with dry brittle hair, alopecia, and other symptoms, regardless of demonstrated zinc deficiency.

This study demonstrated that a new topical treatment using ketotifen-loaded microneedles, designed for prolonged release, significantly reduced inflammatory markers in an animal model of allergic conjunctivitis, suggesting enhanced therapeutic delivery and sustained ocular benefits.

This study suggests that Equisetum debile extracts, particularly the ethyl acetate fraction, may offer natural cosmeceutical benefits for treating hyperpigmentation, delaying skin aging, and remediating hair loss due to androgenic alopecia.

This study found that apocynin restored COL17A1 expression in human keratinocytes and reduced UVB-induced cellular senescence, DNA damage, and cell cycle arrest.

RV3466F lotion significantly reduces hair loss and improves acute telogen effluvium.

This study found that C57BL/6 mice with a diet containing specific levels of vitamin A showed alterations in retinoid metabolism and increased frequency of cicatricial alopecias, suggesting dietary factors may play a role in this condition.