Skin types vary greatly from person to person, so products that work well for someone else may be damaging to you. In addition, your skin type may even change throughout the course of your life. Skin types are influenced by factors like diet, stress, climate, hormones and sun exposure, so find products that work best for your current skin type. 

If your skin is oily, choose products that are oil-free. Cleanse your face daily, and use both an exfoliator and a deep-cleansing mask weekly. Avoid lotions and creams; opt for products in gel, liquid or powder form.

If your skin is on the dry side, cleanse daily, and use a moisturizer both morning and night. Exfoliate weekly with a product that is oil-based. Choose lotions, creams or serums while avoiding gels, liquids and powders.
Combination skin consists of both dry and oily areas of the face. If this describes your skin type, cleanse once or twice daily, and use a light moisturizer after cleansing. Try oil-blotting papers to remove excess oil from problem areas. Opt for products in lotion, gel, serum and liquid form; avoid creams and powders.
For sensitive skin, cleanse daily, and apply a moisturizer afterward. Do not use products that contain dyes or perfumes. All-natural products that contain oatmeal, aloe vera and shea butter are good choices. Products in lotion, cream, gel, serum or liquid form are best; avoid powders.
If your skin is normal, be sure you keep it this way. Cleanse your face every day with a gentle cleanser, and apply a light moisturizer immediately afterward. Use an exfoliator once per week. Any product works well for normal skin. 

 When choosing beauty products, it is important to remember that the product you use to solve a skin care problem may actually be making the problem worse. To reduce the risk of using products that irritate your skin, avoid products that contain alcohol, menthol, fragrance, thick emollients or abrasive agents.