4. How long would you recommend applying Sublime to reach the most efficacy and why?Sublime Replenishing Night Masque will provide a sustained hydrating benefit even if rinsed away after only thirty minutes—largely thanks to the inclusion of hydration-boosting Sodium Carrageenan and Saccharide Isomerate. We recommend overnight use, however, to enhance the masque’s hydrating and balancing effects: the longer the contact with skin, the greater its benefits.