are macules of a few millimeters diameter, light yellow or light brown, which usually appear in people with red hair or blondes with light-colored eyes. Their number increases with age.
They are located mainly on the face, neck, forearms and legs, covering the shoulders, arms and thighs during the summertime.
Microcirculation is the circuit used by the organism to transport nutrients to the tissues and to eliminate cell debris and waste substances.
Fragility, a tendency to redden and suffer irritations and above all the possibility of developing hyperactivity are characteristics of sensitive skins. They are due to alterations in the barrier function, which produces a special sensitivity of the epidermis to stimuli that can be classified into two groups:
- External stimuli: the climate, light, cosmetics, pollution, etc.
- Internal stimuli, such as stress, individual conditions, tiredness, etc.
Erythema is a reddening of the skin due to an excess blood supply produced by vasodilation; it is a symptom of different skin conditions; it is usually the most visible sign of a skin process that determines its size.
We may come across two types of erythema:
Solar erythema (induced), with the symptoms:
Blushing (spontaneous), with the symptoms:
This is reddening of the face (mainly the midface area). Its origin is a slowdown of the venous circulation.
The triggers can be hot drinks or food, the changes in temperature or emotions. At first it is transient, but with time the redness becomes permanent.
Couperosis is an alteration of the vascularization of the dermis of the face and neckline which is expressed in the onset of redness. It corresponds to a network of telangiectasia on a background of erythrosis.
It is more common in skins that are thin, white, sensitive and pallid, which redden easily because their epidermis is very thin. The elasticity of these peripheral vessels is virtually zero. If the blood flow suddenly increases and the capacity for elastic recovery is scarce, this redness may easily occur.
The formation of couperosis is influenced by external factors (chemical agents, contusions, environmental exposure) and internal ones (digestive disorders, nervousness, stress,...).
Rosacea is a vascular disease of the face that appears as a consequence of a long evolution in four stages:
This condition can be confused with and in some cases coexist with acne vulgaris and/or seborrheic dermatitis.
Rosacea affects both sexes, but is almost three times more common in women (high incidence during the menopause) and has a developmental age between 20 and 60 years of age.
The presence of reddening in the scalp or ears suggests a different diagnosis or other concomitant conditions, since rosacea is predominantly facial.
Acne is a condition with a very high incidence. Between 80% and 90% of the population suffer from it during their lifetime, the incidence among people between ages 12 to 18 is 74%.
It is caused by an excess of androgen and is the result of different trigger factors. It is characterized by a polymorphic skin condition with various types of lesion. The main factors are: excess of sebaceous secretion, reaction to the normal bacteria found on the skin, obstruction of the pilosebaceous unit.
According to the degree of development, it can have psychological and social implications, that worsen the quality of life.
Comedones and papules
Comedones, papules and some pustules.
Comedones, papules, pustules and some nodules.
Comedones, papules, pustules, nodules and scars.