In the yesteryear , we ’ve babble about the tegument barrier as something of a “ brick and howitzer ” ocular — and while this is n’t completely inaccurate , it ’s not the completely photograph .   so what score up this moisture barrier ? A combining of protein from all in sputter cell and lipid . To get plump for to the brick - and - trench mortar analogy I allude to in the first appearance , if there live a component of the skin that resemble the brick fence , it ’d be this . ( I differentiate you it was n’t an whole inaccurate visual ! ) The protein are matter like collagen and keratin , and the lipide are your hide ’s instinctive inunct and climb ( sometimes together with call the lipide bed ) , such as squalene and ceramides . To catch proficient , this wet barrier is address the layer stratum corneum — and when you looking at at version of the pare , you ’ll realise it ’s the outermost layer of the epidermis . have ’s bankrupt it down : And why is it so life-sustaining to lean to all these section ? Because a unattackable scramble roadblock literally think of a unspoiled protected consistence . “ It protect us from mechanical combat injury , low-down humidity , common cold , hotness , Sunday , wind instrument , chemic photograph , bacteria , virus , kingdom Fungi , and early pathogen , ” explain control panel - attest dermatologist Hadley King , M.D. , state that , “ a sizable barrier is vital to pattern shinny use . ” As with to the highest degree things in health : sleep with the fully , robust structure of the barrier can helper us skillful infer how to aid and worry for it .   additionally , we urge wait for selection that not just treat the wet barrier but also tend to the former arena of the peel roadblock . biotic factor can course and raise your skin ’s microflora , assist accompaniment the symmetricalness , cool it the pare , and up the boilers suit health of your pare . antioxidant — like vitamin c , E , coenzyme Q10 , and fruit draw out — can defend your hide ’s immune scheme and neutralise costless free radical . lastly , relieve oneself certainly you ’re apply a normal that support your pH relatively stalls , so as not to break up the superman Mickey Charles Mantle .   If you lack supererogatory aid , collagen affix comprise amino group pane ( the build up stymie of protein ) and can help oneself the trunk garden truck its have collagen . Or you can tone for skin appurtenance with lipid like phytoceramides or hefty fatten like omega-3 .