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10.1016/0928-4257(93)90038-u 114 SikiricP.RucmanR.TurkovicB.SeverM.KlicekR.RadicB.et al (2018)

Drug transport across the blood-brain barrier

Face serums and creams: Clinical standard: 1-3% concentration Maximum typically used: 4% concentration Application: Once or twice daily Duration: Minimum 8-12 weeks for visible results Eye area products: Concentration: 1-2% (lower for sensitive periorbital skin) Application: Once daily, typically evening Amount: Pea-sized for both eyes Scalp solutions for hair: Concentration: 0.5% solution common Application: 1-2ml to affected areas once or twice daily Duration: 3-6 months minimum for meaningful changes Higher concentrations do not always mean better results with topicals

Transcriptomics reveals apigenin alleviates airway inflammation and epithelial cell apoptosis in allergic asthma via MAPK pathway