Match the following phrases with the corresponding terms. 1. the outer layer of skin that is responsible for the production of melanin and keratin sebum 2. a protein substance necessary to healthy skin keratin 3. the inner layer of skin that contains hair follicles and sweat glands washing 4. responsible for the production of sebum sebaceous glands 5. an oily substance that protects the skin dermis 6. the result of sebum being trapped in a follicle with a piece of dirt or bacteria body odor 7. the results of sweat being allowed to sit on bacteria-crowded areas of the skin acne 8. the best means of prevention for body odor and acne epidermis