How can you strengthen/repair a weaken damaged skin barrier in dry/rosacea/hypersensitive skin?

Hi I'm 43 with fair to light skin small pores and was wondering how to strengthen repair dry rosacea hypersensitive skin and will the hypersensitive skin be reduced by strengthen the skin barrier? I'm looking for anti-aging regime to help with fine lines and elasticity my rosacea is mild and also something that will help with the slight redness I get any suggestions I would greatly appreciate thanks

No doctor answers yet