Myth: UV rays are less intense in winter

UV rays are less intense in winter than in summer. True and false. There is a tendency to think that Uvs are less dangerous in winter than in summer, which is not true. Indeed, the UVB (responsible for sunburn, tanning and certain skin cancers) are less intense during this season, but not the UVA (responsible for skin aging, some skin cancers) ... so be careful ! In addition, in winter, the snow reflects the rays, making it even easier for our exposed skin surfaces. Let's be vigilant even more in the winter, and wear ...

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Myth: Baking soda

Using baking soda to exfoliate is a good idea. True or false? Although this is a common idea in the internet, it is best avoided. Why? Because when mixed with water (this is the recipe usually recommended) you get an alkaline substance (pH> 7). The pH of the skin is between 4.5 and 6.5, so slightly acidic ... and it is important that it stays there! The pH of cosmetic products is therefore very important and must be monitored and tested to avoid disturbing the acid barrier of the skin. You see us coming ... using ...

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Myth: Sleep position and wrinkles

Sleeping on the side can cause wrinkles. In part true. Although it may seem far-fetched, sleeping on your side can actually lead to wrinkles. When sleeping in this position, mechanical stress and easy distortion can occur. HOWEVER, when we talk about wrinkles, we are not talking about the little crow's feet or expression wrinkles that we usually see develop with age. It is more a question of longitudinal wrinkles which follow the surface of contact between the skin and the pillow. In the long run, this could "weaken" some weak spots in the skin ....

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Myth: Cloud and sun

When it's a shady weather, you do not need sunscreen! False! Very wrong! We are inclined to think that clouds create protection and block UV rays (responsible for sunburn, tanning, DNA damage, etc.), but this is not entirely true. What you need to know is that some types of clouds block some of these rays, but others accentuate their effects. Scientists still do not explain why 100%, but there seem to be two main reasons. The first would be that the rays are reflected on the sides of the ...

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