Once the preserve of backstage beauty pros, A-list facialists and K-beauty advocates, the sheet mask has stealthily graduated from skincare novelty to essential - a luxurious moment of calm with very visible, instant results.
In the simplest terms sheet masks are single use masks - usually biocellulose, cotton or hydrogel - saturated in meticulously formulated, active-packed serums. Designed to neatly cocoon the face, they create a semi-occlusive barrier, helping to hold moisture and ingredients flush against the skin, thus encouraging the penetration of essential ingredients.
