The next step up on the renewal scale is to replace an old tub or shower with a fiberglass or plastic insert that includes integrated wall panels. According to Paul Nygren, of Nygren Remodeling, Inc. , in Minneapolis, this type of job costs about $2,000 to $3,000.
After they reach the outermost layer of epidermis, they eventually shed. The fibrous protein i.e. keratin is meant to protect the skin and provides water-proof barrier to the skin. The Melanocytes: These are one of the types of cells in epidermis which produce pigment and give color to the skin.
Its two main layers are the epidermis (outer layer) and dermis (inner layer). The epidermis has several strata (layers) that contain four cell types. Keratinocytes produce keratin, a protein that gives skin its strength and flexibility and waterproofs the skin surface.