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The novel dehydroepiandrosterone (DHEA) derivative BNN27 counteracts behavioural deficits induced by the NMDA receptor antagonist ketamine in rats

External factors, such as light have a strong influence on plant defense reactions and disease resistance

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