Perfectly Posh | Calm, Cool, & Collected Face Mask | Sample Pack of 20 An ultra-hydrating face mask. .15 fl oz / 4 mL sample size. Sensitive skin has unique needs, like calming and cooling skin when it feels irritated and looks red. This calming face mask features a blend of cica, niacinamide to instantly hydrate, soothe, and regenerate the appearance of your skin.