Choosing new stylish sunglasses remember that your first task is to protect the eyes from harmful ultraviolet rays.

Scientists distinguish three types of UV rays:

• UVA  rays are not the most dangerous, however they still can potentially cause damage to your eyes and should be evaded.
• UVB rays are the shortest ones; they can penetrate deep into tissue, leading to cataract or keratitis (cornea desease).
• UBC rays do not give us any concern as they hardly reach the Earth, being entirely stopped and absorbed by ozone.

Find out whether the sunglass provides sufficient UV protection. You wil find this information on the price sticker. It is not recommended to wear sunglasses with lower then 60-70% protection.

The blue light is considered to be the one you shall avoid the most. Wear your sunglass and take a short look to the sky. Usual blue colour should turn to greyish.

Polarization is another useful sunglass characteristic. You will most likely need it if you like waterskiing or similar sports, and do not want to endure a glare. Polarization means the reflected from water or snow sunrays, which induce glare, will be stopped by the filter in special layer on the lenses.

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Regardless lots of information on the dangers of tanning, we still try to get the ‘perfect tan’.

A tan is actually a sign of skin damage caused by sun and a defensive attempt to protect itself from further harm, even though many people mistakenly believe tan signifies health and beauty. So is there any way to have a safe tan?
Skin cancer experts tend to state that there is no such thing as a safe tan. So let’s examine sun tanning and its alternatives.

Sun tanning
Tans and skin cancer both begin with DNA damage caused by exposure to ultraviolet radiation in sunlight. Its really worth noticing, that ultraviolet radiation conduces to premature ageing of the skin.
Two types of ultraviolet rays, UVA and UVB, negatively affect the scin.
UVA rays tends to cause skin cancer after prolonged periods of time. UVB rays cause sunburn and the redness, which are also a strong risk factor for skin cancer.

Salon tan
Using a solarium is not a safe way to tan as well. Solariums offer enclosed beds, which contain light tubes emitting UVA and UVB radiation. Please remember, that UV radiation from a solarium can be four-five times as strong as the midday summer sun.
There is a recommended time that one should not exceed within a year when using a tanning bed. According to the deramatologists one should not surpass more than 10 hours of exposure per year.

Fake tanning
Wash-off tanners
This is the simplest way to create an instant tan on your face and body. You have to smooth on the cream over your body and then wash it away at the end of the day.
Bronzing powders
Use powders on your face in the same way as a blusher.
Self tanners
Self-tanning products come in several forms, such as lotions, wipes, gels, sprays.. They stimulate the skin pigment to change without any harmful exposure to the sun, which is actually a positive preventive alternative to sunlight.
All of these tanning products have ingredient dihydroxyacetone (DHA), which is absorbed by the surface skin cells and turns brown in the presence of oxygen. This process usually takes several hours hours, and the effects from a few days up to a week.
If you decide to use self tanners, be aware of following rules:

• Use a body scrub first to rub away the dead skin that can soak up colour, creating a patchy finish.
• Massage in plenty of body lotion over the area to be treated.
• If you are going to choose a shade, go with the lighter one – you can always apply a second layer later on to get deeper shade.
• Remember, that excess of the product left on the body surface is likely to go patchy.

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