The mask is very thick, 1 time use consumption is small, ie, jar quite economical. It keeps longer than recommended, literally forgotten that it is applied. Burning and redness, as some unsubscribe, was not quite - apparently, it's the individual reaction of the skin. The effect is like, fresh skin, supple and taut, I will buy again. Compared to other masks, which are used to, from this I feel quite positive effect.