Hyaluronic acid?

Cosmopolitan (UK) - - Glow -

The cel­e­brated hy­dra­tor has be­come so per­va­sive, we can now ac­tu­ally pro­nounce its name. But is it as mirac­u­lous as brands will have you be­lieve? Er, YOU’ve cham­pi­oned it. I have, it’s true. But a prod­uct isn’t sud­denly mirac­u­lous just be­cause it has a bit of HA in it. Well, what’s it good for? It’s very ef­fi­cient at draw­ing mois­ture from the at­mos­phere into the skin’s top lay­ers, keep­ing them plump and ir­ri­gated. What’s wrong with that? Noth­ing – HA is very good at its job. But there are other so-called humec­tants (like glyc­er­ine and sor­bitol) that do a sim­i­lar thing with­out the mark-up on your prod­uct price. Also, if the air around you is arid (think bit­ing wind, air con, plane air), there is lit­tle wa­ter to at­tract, mak­ing HA’s hy­drat­ing po­ten­tial plum­met. Worse still: as the mol­e­cule can end up suck­ing wa­ter from your deeper skin lay­ers in­stead, it could ac­tu­ally dry out skin! Help! What to do? Dry to nor­mal skins do bet­ter with a cream or gel made up of (any) humec­tant plus oils, which pre­vent mois­ture evap­o­ra­tion. Al­ter­na­tively, top your serum with a drop of squa­lene or rose­hip oil. Or be ex­tra clever and in­clude hyaluronic acid build­ing blocks like glu­cosamine – which, un­like HA, travel deep into skin.“They boost in­ter­nal HA lev­els and keep skin hy­drated from within,” says Dr Frauke Neuser, prin­ci­pal sci­en­tist at Olay.

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