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Cavaccini et al., iGluRs The iGluRs family, consisting of NMDA (N-methyl-D-aspartate) receptors, and the AMPA (-amino-3-hydroxyl-5-methyl-4-isoxazol-propionate) and KA (kainic acid) receptors, which are responsible for the excitatory transmission in the central nervous system of vertebrates

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The key insights from this guide create a clear framework for retinol success: Essential Avoidance Rules: Never combine retinol with AHAs, BHAs, or other exfoliating acids on the same night to prevent over-exfoliation Separate vitamin C and retinol into different routines (AM vitamin C, PM retinol) to maintain optimal effectiveness Avoid combining retinol with benzoyl peroxide to prevent oxidation reactions Skip physical exfoliants on retinol nights to prevent mechanical damage Choose fragrance-free, essential oil-free products to minimise sensitisation Powerful Enhancement Combinations: Hyaluronic acid provides essential hydration support during cellular renewal Niacinamide strengthens barriers whilst reducing inflammation Ceramides create protective environments for optimal retinol function Peptides enhance collagen formation whilst retinol accelerates renewal Strategic sunscreen use protects your investment in retinol benefits The distinction between our Starter Retinol and Advanced Retinal ensures you can choose the appropriate strength for your experience level and skin sensitivity

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