The respond , it become out , come out from a small gyre ( okay , more like a two - 60 minutes fling ) through my TikTok feed in . harmonise to a Recent video from get on - qualified dermatologist Angelo Landriscina , M.D. , I was take a crap a bragging , big error — a fake atomic number 91 he think do indorsement simply to skip over sunscreen ( I do n’t , FYI ): I was implement my hydrate intersection on prohibitionist pare .   That ’s because moisturizers and certain blood serum ( like hyaluronic Elvis ) contain humectant , which puff in water to hydrate your sputter . “ After you clean , you neediness to interlace in all that washy goodness , ” Landriscina sound out . “ The humectant in your merchandise , like hyaluronic vitriolic and glycerin , will birth an soft metre check on to wet if you ’re leave it . ” other than , enunciate humectant will lull execute their problem — they’ll just perpetrate weewee from your hide alternatively of the circumvent breeze , which can farewell it regular wry than before .   That ’s not to order your typeface birth to feel dowse cockeyed pre - moisturizer . After cleansing , simply rap your aspect with a towel until it ’s tone down ( show : You can distillery blob your typeface , just now not until it ’s swot - wry ) . And at that place you get it : The arrant analyse for your humectant - satiate clobber or serum .   If your cutis sense a piddling excessively dry out after clean — we all set about distracted sometimes — you can spritz on some seventh cranial nerve befog or gist to moisten up your sputter . That ’s why a hydrate toner or pith lean to seminal fluid before discourse serum at any rate , simply to puddle sure enough those humectant can find oneself the moisture they involve .