These types of alcohol evaporate very quickly. This can have some benefits, but it also means that it dries out your skin, weakening its protective barrier. Percentages of alcohol concentrate are rarely listed on lists of ingredients, but a good rule of thumb is to check how far up they are mentioned. The higher up the list, typically the greater the concentration of that ingredient.
As you age, the tissue structures and muscles supporting your eyelids weaken with the loss of collagen. This weakening of the tissue can cause the skin to begin sagging. The fat that is normally found in the area around the eyes may move into the area below your eyes, accumulating fluid and making the under-eye area appear puffy or swollen. Some things that can make this happen are fluid retention due to changes in weather, hormone levels, eating salty foods, not getting enough sleep, allergies, dermatitis — especially if puffiness is accompanied by redness and itching — and heredity. (3)
The best bang for your buck, No7 worked as well as or better than pricier options. This Good Housekeeping Seal-holder scored nearly on par with the winner and earned the best marks for smoothing skin's texture. Testers described it as "lightweight," and said the serum made skin "look younger" and wrinkles "less visible," though some reported slight irritation. In our lab analysis, it received strong scores for improving firmness and texture and diminishing pores.
"With repeated use, retinol can stimulate the production of collagen, making the skin less thin and improving the dark circles. They are easy to find at the drugstore," says Rachel Nazarian, a dermatologist in New York City. "Retinoids help rebuild dermal collagen and thereby contribute to vascular support in the area and the recovery of skin volume and firmness," adds Patricia Ceballos, a dermatologist in New Rochelle, New York.