Reduce Sebum Production Naturally
In some people, patches of oily, greasy, scaly, inflamed, reddened, and itchy skin develop in response to excess sebum production. Your scalp, the sides of your nose, your eyebrows, your eyelids, the skin behind your ears and the middle of your chest are the most common sites. These areas have the highest concentration of sebaceous glands. Associated with the dermatitis, dandruff may appear as scaling on your scalp without redness. Seborrheic dermatitis is common in infants, where it is called cradle cap. Cradle cap usually clears without treatment by the age of 8 to 12 months. This may be related to the gradual disappearance of certain hormones that are passed from the mother to the child. Seborrheic dermatitis occurs in teen-agers where it is associated with acne or psoriasis. Seborrheic dermatitis occurs in older people and in people with PD. People recovering from stressful conditions, such as a heart attack, may also develop seborrheic dermatitis. In all of these conditions a...
Oily skin is hereditary and develops due to an over-production of sebum from the sebaceous glands. The aim in the treatment of an oily skin is to help balance it by bringing the oil secretions under control through thorough cleansing and exfoliation. It is still important to protect oily skin by moisturising the surface with a water-based hydrating product designed for oily skin. The pores are large and noticeable due to a build-up of sebum, causing them to stretch open. The skin is sallow in colour as a result of excess sebum production and dead corneum cells being permitted to build up on the outer surface. The skin usually feels firm to the touch and an oily skin ages least prematurely. The elasticity is generally good. When questioned, the client will usually report that their skin develops a 'shine' during the course of a day and make-up runs or 'slips', and maybe a foundation changes to a more orange colour. They will probably complain that their skin often feels thick and...
These glands secrete an oily substance called sebum. (It consists mainly of waxes, fats and fatty acids, and dehydrocholesterol, which forms vitamin D in sunlight.) The glands are composed of epithelial cells that multiply, grow larger towards the centre and become filled with sebum. Eventually they burst, discharging sebum into the hair follicle. The production of sebum is controlled by hormones (secreted by the endocrine glands). Hormonal imbalance, for example at puberty, increases the flow of sebum, often causing problems such as acne. The function of the sebum is to coat the skin and hair and keep the surface smooth and supple. It prevents loss of water from the skin. Sebum is gradually lost by washing and desquamation but is continually replaced. Massage stimulates the glands to produce more sebum.
As regards the possible association between particular types of skin alteration and specific disorders, caution is recommended since a particular part of the ear may carry a prevalent type of skin alteration independently of the symptom believed to be associated with it. This is the case with the concha, which is the only part of the ear with sebaceous glands. It is not surprising therefore to find a high rate of comedones in this area since, as is known, these are plugs of sebum in a dilated pilo-sebaceous orifice. This process which is normal in this area may have a particular meaning if it is widespread (see Plates XVIB1 and XVIB2), or if limited zones of the concha show comedones of larger dimensions (see Plate XVA).
Sebaceous glands These glands are small sac-like pouches found all over the body, except for the soles of the feet and the palms of the hands. They are more numerous on the scalp, face, chest and back. Sebaceous glands commonly open into a hair follicle but some open onto the skin surface. They produce an oily substance called sebum, which contains fats, cholesterol and cellular debris. Sebum is mildly antibacterial and antifungal and coats the surface of the skin and the hair shafts where it prevents excess water loss, lubricates and softens the horny layer of the epidermis, and softens the hair. The secretion of sebum is stimulated by the release of hormones, primarily androgens.
The natural glandular changes of the body have an effect on the condition of the skin throughout life. During puberty, the sex hormones stimulate the sebaceous glands, which may cause some imbalance in the skin. At the onset of menstruation the skin may erupt due to the adjustment of hormone levels at that time. During pregnancy, pigmentation changes may occur, but usually disappear after birth. During the menopause the activity of the sebaceous glands is reduced and the skin becomes drier.
Staphylococcal bacteria are normally found on the skin of most people, but if the bacteria get trapped within the skin by blocked sweat or sebaceous glands, they can cause a wide variety of skin infections including pustules, boils, styes, or carbuncles. The bacteria also can cause a severe blistering rash in newborn babies called scalded
Intermediate in the synthesis of cholesterol that accumulates in the skin, but not other tissues. It is synthesized in the sebaceous glands, secreted onto the surface of the skin, and then absorbed into the epidermis. It is found throughout the epidermis and dermis, with the highest concentration per unit surface area in the stratum basale and stratum spinosum, which therefore have the highest capacity for cholecalciferol synthesis. One of the possible causes of vitamin D deficiency in the elderly, in addition to low exposure to sunlight, is an age-dependent decrease in the concentration of 7-dehydrocholesterol in the epidermis - hence a reduction in the capacity for endogenous cholecalciferol synthesis.
This is a collection of sebum, keratinised cells and waste which accumulate in the entrance of a hair follicle. It may be open or closed. An open comedone is a 'blackhead' contained within the follicle, whereas a closed comedone is a whitehead, trapped underneath the skin's surface.
A chronic inflammatory disorder of the sebaceous glands which leads to the over-production of sebum. It involves the face, back and chest and is characterised by the presence of greasy, oily skin with enlarged pores, inflammation in and around the sebaceous glands, papules, pustules and, in more severe cases, cysts and scars. The scientific name of the bacteria that cause acne vulgaris is Proprionbacterium acnes.These bacteria are anaerobic, which means that they do not need oxygen to survive and grow. Although these bacteria are constantly present in all follicles in small numbers, they are prevented from reproducing to large numbers by the oxygen that is provided by an open follicle. However, once the follicle becomes blocked from the circulation of oxygen, these bacteria multiply and feed off of the sebum produced by the over-active sebaceous glands. Acne starts to develop when an increase in hormone production (commonly puberty) stimulates the sebaceous glands Excess sebum...
Milia whiteheads these are small plugs of sebum covered by the stratum corneum and look like tiny white spots. Comedone this is a blackhead it is a plug of compressed sebum that is oxidised on the surface giving a black spot. Blackheads are very common. Advise proper cleansing routines and a healthy diet. If the condition is excessive and accompanied by pimples and pustules, then refer for medical advice. Avoid the area when massaging. Seborrhoea this is a skin condition caused by over-activity of sebaceous glands. The nose, forehead and scalp are very oily and shiny and the hair appears greasy. Avoid the area, as massage may further stimulate the activity of sebaceous glands. Acne vulgaris this is a chronic inflammatory condition of the skin generally appearing at puberty, but it may also be seen in adults. It is thought to be due to hormonal changes and over-activity of sebaceous glands. It may be found on the face, chest, back and across the shoulders. In severe cases the skin will...
Biotin deficiency, and the functional deficiency associated with lack of holocarboxylase synthetase (Section 126.96.36.199), or biotinidase (Section 188.8.131.52), causes alopecia (hair loss) and a scaly erythematous dermatitis, especially around the body orifices. The dermatitis is similar to that seen in zinc and essential fatty acid deficiency, and is commonly associated with Candida albicans infection. Histology of the skin shows an absence of sebaceous glands and atrophy of the hair follicles. The dermatitis is because of impaired metabolism of polyunsaturated fatty acids as a result of low activity of acetyl CoA carboxylase (Section 184.108.40.206). In biotin-deficient experimental animals, provision of supplements of long-chain 6 polyunsaturated fatty acids prevents the development of skin lesions (Mock et al., 1988a, 1988b Mock, 1991).
Oils tend to offer the highest level of lubrication and are suitable for thin skin or hairy areas. Lotions and creams tend to be more nourishing and may have additives that are beneficial for dry skin. Gels and powders may be more suitable for oily skins because powder helps to absorb sebum and sweat, but if sweating is excessive, the powder, sebum and sweat may congeal to form a tacky mess. (If this happens, clean the area and use a more suitable medium.)
This is a mild to chronic inflammatory disease of hairy areas well supplied with sebaceous glands. Common sites are the scalp, face, axilla and in the groin. The skin may appear to have a grey tinge or have a dirty yellow colour. Clinical signs include slight redness, scaling and dandruff in the eyebrows.
I tried to find an answer to these issues by first comparing the distribution of points identified with ESRT and PPT on the auricle. We can see that ESRT identified points principally on the medial surface, followed by the lower and upper concha, whereas PPT identified a higher percentage of points on the ear lobe followed by the anthelix and the medial surface (Table 7.1). However, in my opinion these slight differences may be related at least partially to the differing anatomical composition of the tissues on which diagnosis is performed. For example, the higher number of points detected by ESRT on the medial surface may depend on the reduced thickness of the skin covering this part of the auricle. For the concha (in total 25.6 to 20.3 of PPT) we may also suppose an anatomical factor represented by the particular density of sebaceous glands in this area. We are however not sure that the ducts of sebaceous glands may favor the electrical shunt as has been supposed for sweat glands in...
Many remedies are suitable for the constitutional treatment of symptoms of rosacea (see page 18), but prescription will depend upon the individual. Among the remedies often chosen are Carbo veg., for when blood stagnates in capillaries, resulting in poor oxygen supply to facial tissue and Lachesis for hemorrhaging that allows infection to set in. Psorinum is prescribed for problems of the sebaceous glands and Rhus tox. is given for infection such as that forming boils. Homeopathic remedies prescribed for acute symptoms include
Minal matrix where stem cells with a limited differentiation potential exist, and the upper outer root sheath (bulge), which contains potent reserve stem cells that act in the maintenance of not only the epidermis, but hair follicles and sebaceous glands (13). The cells in the basal layer undergo as series of maturational changes, and at some point, a given number move upward to the postmitotic suprabasal compartment where they undergo terminal differentiation. The basal layer is composed of a heterogeneous population of cells that can be classified according to their capacity for sustained growth into 3 subpopulations (1). the holoclones or stem cells, which have the greatest reproductive capacity (2). the paraclones or differentiated cells with a short replicative lifespan and limited growth capacity and (3). the intermediate meroclones, which are the transitional stage between the holoclones and the paraclones (14). The expression of keratins, integrins, and involu-crin is...
Vitamin D (as D3) is also produced in the body as a result of the conversion of a cholesterol-based precursor, 7-dehydrocholesterol, which is produced in the sebaceous glands of the skin. Exposure to sunlight (UVB) converts this precursor into cholecalciferol over a 2-3 day period. Prolonged exposure to UVB can inactivate some of the newly-formed vitamin D and its precursors so that eventually a state of equilibrium is reached between vitamin D synthesis and catabolism. Therefore, short periods of sun exposure are considered more efficacious than long periods (Working Group of the Australian and New Zealand Bone and Mineral Society, Endocrine Society of Australia and Osteoporosis Australia 2005). Some vitamin D is stored in adipose tissue and can be mobilised during periods when exposure to sunlight is reduced or shortages develop (Nowson & Margerison 2002). Vitamin D and its metabolites are primarily excreted through bile and the degraded active form is removed via the kidney. Losses...
Nerve endings that perform its sensory function, glands that manufacture sebum to keep the skin supple and waterproof, and follicles that produce hair and nails. Homeopathic practitioners tend to regard skin complaints as an outer manifestation of what is going on within the body, and look for underlying causes of skin eruptions. Stress,
Seborrhea A condition in which excess sebum is secreted, causing increased facial oiliness and a greasy scalp. While the exact cause of this excess production is not understood, male sex hormones (androgens) do play a role in the problem. Not surprisingly, therefore, the problem is most common in adolescent boys. Seborrhea usually disappears by adulthood without treatment, but people with seborrhea are also more likely to have other skin problems such as acne vulgaris and sebor-rheic dermatitis.
A dry skin is so called because it is either lacking in sebum or moisture, or both. It develops as a result of under-activity of the sebaceous glands. The skin's natural oil, sebum, lubricates the corneum layer and in the absence of this oily coating the dead cells start to curl up and flake. The sebum coating also helps to prevent moisture loss by evaporation. Therefore, due to a lack of sebum, dry skin has difficulty retaining inner moisture. The pores are small and tight due to the lack of sebum production. The skin does not usually have good elasticity.
Apocrine glands (odoriferous glands) these consist of coiled tubes larger than eccrine glands. They open into hair follicles, usually above the sebaceous glands. Sometimes they open directly onto the skin surface near a follicle. They are found in limited areas only, e.g. armpits and pubic areas.
Many structures are found in the dermis. They include blood vessels, lymphatic vessels, sebaceous glands, sweat glands, nerves and nerve endings, hair in hair follicles, erector pili muscles, fibres (white fibres and yellow elastic fibres), fibroblasts, mast cells, plasma cells and macrophages.
The skin's ability to continuously renew itself is affected by ageing. Old skin needs on average twice as long - as much as eight weeks - before it has renewed itself. The antural acidic protective coating changes because the sweat and sebaceous glands no longer exercise their function so efficiently
There is no pain in this type of burn because the pain receptors have been destroyed along with the rest of the skin and blood vessels, sweat glands, sebaceous glands, and hair follicles. Fluid loss and metabolic problems in these injuries can be profound. These burns always heal with scars. Extensive third-degree burns require aggressive treatment in a hospital burn unit, and the death rate (usually from infection) is significant.
Although there is not specifically a 'male' skin type, it is important to consider the differences in make-up between male and female skins. Firstly, there are hormonal differences between men and women. Testosterone, the male hormone, gives men a thicker epidermis (approximately 2 mm compared with 1.5 mm in women). Male skin does have a tendency to be tougher, more elastic and less sensitive than female skin, although daily shaving can increase the risk of skin rashes, infections and in-growing hairs. It is also more acidic and has a more efficient supply of blood and sebum. This means it tends to age better than women's skin, remaining softer, firmer and more supple.
The dermis lies below the epidermis and is the deeper, thicker layer of the skin. It can be as much as 3 mm thick. The dermis contains several types of tissue that provide a supporting framework to the skin, as well as blood vessels, nerves, hair roots, sweat and sebaceous glands. The functions of the dermis include
Hair is nonliving tissue composed primarily of a sulfur-rich protein called keratin. Hair growth occurs at a rate of 0.3 to 0.4 millimeters (0.011 to 0.012 inches) per day from the follicle (a saclike organ in the skin) in cycles of active growth followed by a resting phase. For an adult, approximately 85 percent of scalp hair is in the growing stage at any time. Two sets of glands are associated with the follicle The sebaceous glands, which excrete sebum (a waxy substance), and the apocrine glands, which excrete an oil that coats the hair. Hair color is determined by genetic programming for varying amounts of melanin, a pigment that is synthesized in hair cells called melanocytes. The exact mechanism by which drugs enter hair is unknown. They may be deposited from the capillaries, which supply blood to the follicles, or they may be excreted in the sebum, oil, or sweat that coat the hair shafts. Drugs can also be deposited on
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