Glass skin is often described as a flawless, ultra-glowy complexion, but the practical idea behind the trend is more grounded: hydration, a supported skin barrier and a routine adapted to the person using it. Vogue's K-beauty experts break the approach into six steps — here's the useful version without the product shopping list. Glass Skin Is Not One-Size-Fits-All Vogue notes that skin type, genetics and environmental factors all influence the result. A professional skincare