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Keeping Skin Healthy(especially when working with coolants)From steel plants to manufacturing plants, farms and laboratories, every day, in almost every business, industry, and home, our hands are exposed to hundreds of potential skin hazards. These hazards can cause cuts, abrasions, and bruises, as well as dermatitis. Skin can get a beating in industrial workplaces. It can get knocked, scraped and jabbed. It can come into contact with chemicals, harsh substances, oils, dirt, heavy grease, and bacteria. Daily work activities can compromise the skin’s system of renewal and protection, leaving the body vulnerable to a variety of infections and diseases. Skin AnatomyThe skin is made of three primary layers - epidermis, dermis, and the subcutaneous. These layers work in conjunction with each other to offer protection, good skin health and the renewal of skin cells. The epidermis is the thin outer layer of skin that is visible to the human eye and provides the first barrier of protection from the invasion of foreign substances into the body. It is important to keep the epidermis healthy to keep out irritants and protect the body from chemicals and bacteria. The dermis is the layer of living skin beneath the epidermis. It contains immune cells that are involved in the defense against foreign invaders passing through the epidermis. Beneath the dermis is the subcutaneous layer, which contains hair follicles, sweat glands, blood vessels and nerves. DermatitisDermatitis is an inflammatory response of the skin. The condition is usually reversible when a person is no longer exposed to whatever combination of factors is causing the dermal response. Some individuals may be at higher risk for developing dermatitis; they may be very sensitive to various substances and need to avoid exposure to specific agents. It should be noted that there may not be a single identifiable source of skin irritation, but rather a confluence of several things. Dermatitis can be caused by a wide variety of workplace and other environments:
Chemicals can cause skin reactions - either by direct contact (irritant dermatitis), such as with a solvent, acid, or as a result of allergy or sensitization to a specific chemical (allergic dermatitis.) Sensitization is the result of long-term exposure that causes the body to produce an “allergic” reaction to further exposure. For the worker exposed, on a daily basis, to industrial lubricants, skin damage can be frequently aggravated by methods used to remove oils from the skin. Physical agents - such as atmospheric heat and cold, can also contribute to dermatitis. Sweat-related hand dermatitis can be caused when using gloves. Dry and chapped hands are not uncommon in area with cold winters. Immersion or constant exposure can clog skin pores. Mechanical causes - such as friction and suspended particles or shavings, can produce calluses, blisters, cuts, and abrasions. Pressure can create bony projections, skin atrophy, and dead skin tissue. Calluses and fissures can be produced by repetitive hand motion and by the use of certain types of tools. Biological and botanical agents - including plants, viruses, bacteria, fungus, and other parasites may attack the skin and sometimes produce whole-body disease as well. Generally, unbroken skin provides protection from most parasites and bacteria. However, cuts or abrasions provide an easy access to the unprotected sub-layers of the skin. Other contributors - include cleanliness, age, sex, skin type, other skin problems, and history of other allergies. Susceptibility to irritants is generally greater in women than men because they tend to have drier skin and a slightly higher pH. Poor hand hygiene and wearing wet or soiled gloves also increases the chance of dermatitis development. People with a history of hay fever, sinusitis, or asthma are also generally more susceptible to dermatitis problems. Types of Contact DermatitisIn industrial/manufacturing settings, many everyday chemicals and substances can cause a reaction when they come into contact with the epidermis - contact dermatitis. Such substances include: acids, alkalis, oils, greases, solvents, detergents, plastics, and resins. Irritant Contact Dermatitis - is caused by contact of the skin with some irritant. In machining or grinding operations, it may be caused by any of several possibilities or combination of factors, such as:
Allergic Contact Dermatitis - is an immune system response that arises in some people who are allergic to a contaminant or ingredient in the MRF such as:
While some "dermatitis problems" are attributed to individual sensitivities, a search of the literature reveals very few instances of true allergic contact sensitivity to industrial lubricants. Prevention of Contact DermatitisWorker Contact Prevention
Skin Care Regimen Barrier creams act as a preventive measure against irritants. They should be selected on the basis of the chemicals with which the worker comes into contact – different creams for different applications. Cleansers should not be too abrasive. Use cleansers strong enough to clean the hands and be able to be used repeatedly throughout the day without damaging the skin. Do NOT use solvents or other materials not designed to be skin cleaners – they dry out and damage the skin. Use moisturizers for mild dryness or chapping. The natural oils keep the skin healthy and help avoid chafing where the skin begins to break down and skin problems can occur. Although barrier creams and moisturizing creams protect the skin, they must be viewed as supplements only. They do not replace good personal hygiene or the use of chemical protective gloves where appropriate. The skin care regimen can be very specific as follows:
If dermatitis occurs, employees should seek medical treatment. Dermatitis should not be considered an expected or acceptable part of the job. Skin Care Products Information about skin care products can be obtained from an internet search of industrial skin care. Several web addresses are also listed below.
For Metalworking Fluid Systems – Optimize operating Parameters
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