Healthy foods for healthy skin and best skin care product?

School is gonna start soon and I want amazing skin since I’m going back to my old school after 2 years. So I want to know first whats the best skin care product to buy at a Department store or Drugstore? Then if you pleease can What are the best foods to eat for healthy skin aswell? Thank you so much.

What is the best skin care line you have tried?

Prefer department store or spa brands. I am in my late 20’s with sensitive skin and blackheads so I need a good exfolient.

I have used Lancome and haven’t found it that great for me and now I have been using Aloette but it just isnt’ doing it for me anymore.

Recommendations for basic skin care products?

I am in my early 20s, okay skin condition, usually no acnes. I want to get some basic skin care products– cleasners, face creams, hydration products, mask,etc. Please give me some recommendations on brand(s) that are good and with reasonable prices. Also, where should I purchase these products from? Walmart? A beauty shop in the mall? A Department store?

Any recomendations of fine cosmetic skin care lines?

I would like to start using a department store bought skin care line. (Origins, Clinique, etc) I'm wondering which is best. I have mild acne that I want to keep in check and normal skin.