Affordable hydration and glow in a bottle. A great toner or essence is the quiet hero of a skincare routine—hydrating, prepping, and soothing your skin for everything that follows. And you don’t need luxury prices to get luxury results. These 5 Korean toners and essences under $20 are trusted favorites that deliver value and visible results. 🌿 1. NUMBUZIN No.3 Super Glowing Essence Toner  🔗 Buy on Amazon A fan-favorite with fermented ingredients and niacinamide Boosts glow, refines texture, and layers well under any serum The mini version keeps it under $20 while still lasting…