Yes to blueberries intensive skin repair serum can be used under daily repairing moisturizer (during the day) or under overnight hydrating cream (at night). Acts as a powerful ‘vitamin layer’ applied directly to clean skin. This powerful blend combines organic cotton thistle which is clinically proven to restore and repair age-damaged skin in 7 days, along with anti-oxidant rich blueberries and blackcurrant, which are rich in essential fatty acids to help nourish and soothe skin.