Sun protection by MBR®
Sun means joie de vivre and activity. It has a significant influence on how we feel and even on our mood. But excessive sunbathing can cause lasting, irreparable damage to the skin.
Dermatologists are calling for appropriate sun exposure and effective products that provide safety and multi-active care, even in everyday life. MBR has taken this requirement into account and developed a high-tech sun care product.
Sun care with the innovative MBR SUN GUIDE SYSTEM offers the right protection for every skin type based on the latest findings in medicine and biotechnology.
Interesting facts about sun shading
How does the skin tan?
The color of human skin results from the interaction of skin blood circulation, the color of the horny layer and the content of skin pigments. The most important is the yellow-brown to black pigment melanin. The melanin pigment is produced by special pigment cells known as melanocytes. These cells are located in the lowest layer of the germ cell layer next to the epidermal germ cells.
The pigment cells produce melanin, some of which is released to other cells in the form of small granules. The melanin granules are only partially absorbed by neighboring cells and pushed further with them when new cells of the germ cell layer are replenished. In the normal process of epidermal renewal, they reach the superficial horny layer where they are sloughed off with other keratinized cells.
How is melanin formed in the cells?
The colorless starting material of melanin is the amino acid tyrosine. This amino acid becomes melanin through the action of the skin’s own copper-containing enzyme tyrosinase and oxygen in a series of transformations.
However, this conversion is only activated and completed by exposure to sunlight. Pigment production, together with sufficient exposure to light, is independent of the number of pigment cells, but is dependent on the intensity of the metabolism of these cells.
White and dark breeds do not differ from each other in the number of pigment-forming cells, but there is a large difference in the number of pigment cells.
Solar radiation
Solar radiation is made up of heat, light and UV rays.
Heat rays (infrared) penetrate deepest into the organism and are perceived as heat.
Light rays, visible rays that we perceive as “sunlight”, enable us to see.
UV rays, the short-wave, high-energy light, are invisible and are responsible for transformation processes such as tanning and burning of the skin.
A distinction is made between the following UV rays:
long-wave UV-A rays (320 – 400nm) = immediate tanning of the skin
even reach the deeper layers of the dermis. They are responsible for late damage. They make the skin inelastic and can trigger cell defects. Light-induced skin ageing and an increased risk of skin cancer are the consequences.
Short-wave UV-B rays (285 – 320nm) = long-lasting pigmentation
penetrate the superficial dermis and lead to immediate damage such as sunburn if overdosed. In addition, they damage the skin structure, lead to dry skin and increase wrinkles.
UV-C rays (200 – 285nm)
are not yet of any significance when sunbathing
UV index
The UV index indicates the solar irradiance that causes sunburn and varies depending on factors such as:
– cloud cover
– the position of the sun (with latitude, time of day and season)
– the geographical altitude
– the thickness of the ozone layer
Forecasts indicate the maximum value expected for the day in question. In Germany, UV indices between five and eight are common at midday in the months of May to August. Around 10 a.m. and 4 p.m., the values are typically about half as high.
Exposure time+skin type+pre-tanning
=Necessary sun protection factor
Maximum values for the respective days of the year can be predicted worldwide and should be taken into account when planning your vacation, for example. Here you can find up-to-date information on the predicted UV indices worldwide.
Source: http://orias.dwd.de
Translated with www.DeepL.com/Translator (free version)
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