what is the relationship between sunlight and ultraviolet rays do? take a look at the following analysis: advantages and disadvantages of
1, ultraviolet radiation on the human body
(1) UV is necessary
excess ultraviolet irradiation will damage the skin, but is inseparable from the human health ultraviolet, in countries with insufficient sunshine, orthopedic disease. Baby not to sunbathe and grow sturdy, the body needs the right amount of ultraviolet rays.
we speak of the Sun, it is caused by excessive exposure to, and does not include normal sunbathing. . While in some cases little degree, but it is certainly a dehydrated State.
days of fine weather, just outside walk two or three hours, your skin will be redness, pain, the nose becomes the prominent part of shine the light of this kind of experience is probably everybody. This is a dehydrated State, a very mild burns. If you feel the sting of burning, it is worthy of the burn. Sun protection to the extent that it no longer has cosmetic and dermatological treatment, if the level of light, as an emergency measure, you can burn and disposal, with ice cold water ice, stabilization of burning sensation, the skin gradually recovered.
open French white bread, white and soft, humidity, and surface is roasted very well, has hardened. As far as the skin, the hard place is the stratum corneum, called the vitreous hypertrophy. Hard cover of the bread and water will become soft, but was arrested and hard water. If the skin becomes too bad.
2, preventing UV method, (1) milk formulations Foundation Sun block creams work best
at present, emulsion-type Foundation Sun block creams work best. Paint a little thick, block the UV is effective.
either a powder or a liquid-type Foundation cream, are forming a layer thin film on the skin. But too dry powder, liquid while wet, but dry too quickly, and emulsion is made of oil-water two kinds of raw materials. Maintain a temperature for a long time, outdoor exercise right before you put some emulsion cream Foundation, otherwise, freckles and brown patch of skin in the hot sun.
prevents sunlight, also painted on the shoulders, chest and neck cream Foundation, but bad be soaked into clothes, preferably with sunscreen, sunscreen effectiveness can only last for two or three hours, if outdoor sports for a long time, have to be diligent.
women from 25 years on metabolism of the skin to grow slowly, tends to dry skin, restoring force weak, prone to brown spots, freckles, fine wrinkles, you should avoid direct irradiation of ultraviolet radiation. A hat, a parasol, emulsion-coated Foundation cream, make-up out possible. As a result of sun exposure and skin thicker, cosmetic effect is not good.
a hat, scarf, parasol, too. In short, don’t let hair exposed to the Sun. Day in the hot sun for a long time to advance clean good hair cream to prevent Sun, Sun hair suffered from HIV lose moisture, dry, unkempt, fragile and easily broken. Yellow head, split hair, but also what charm? cut must not be careless.
ultraviolet hurt to restore Hair Conditioner paste most effective
wipe foot Hair Conditioner cream, hot towel full hot after a good wash, hair become shiny. To rinse after washing hair, conditioner paste rubbing at the moisture into the hair and skin. If hair is affected by the Sun has become severe, you should be after every shampoo jiarun hairdressing, continue for some time.
more information is contained in seven major drawbacks in the beauty salon management
free by beauty: free beautiful skin
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