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Long-term use of niacinamide if you do not grasp the concentration of niacinamide may lead to allergies, redness and even itching.
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There is no harm in using niacinamide correctly for a long time, but intolerance and improper use may cause **discomfort.
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Long-term use of niacinamide may cause gastrointestinal discomfort and damage liver and kidney function.
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Yes, you can get a very good whitening, and you can make your own **cells have a good metabolism in life, and you can make ** become very energetic, you can remove freckles, you can whiten, you can prevent some melanin from appearing on your face, you can anti-aging, and you will make ** have a resistance.
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It can play a better role in hydration, and it can also generate hydration to play a better role in locking water, and it can also be particularly good for **, so that ** looks tender and smooth, and it will also have a certain luster, and it can also play a certain whitening role, but the effect is not particularly good.
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The benefit of niacinamide is that it can make your own **whiter, can make **more delicate, can make **state better, can make **smoother**, and can have a very good whitening effect. It can indeed have a whitening effect.
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The advantage of ** is that it can be improved**, and then it can make ** play a smooth and delicate whitening effect, which is really good for our**. It can really be whitened, and it can be done to a certain extent.
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Can niacinamide really whiten? What are the main benefits? What skin is it suitable for?
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Niacinamide generally has a certain whitening effect, but it cannot be completely relied on the use of niacinamide bending to whiten
Whitening can be done in other ways.
Niacinamide is a water-soluble vitamin, the drug can be used to inhibit the production of melanin after entering the **, which can reduce the sedimentation of melanin on the **, so as to have a whitening effect, but the whitening effect is relatively slow, and not everyone is suitable for use, some people are allergic to the drug, and it is generally not recommended to use it.
If you are not particularly satisfied with the pure situation of love travel, you can go to a regular hospital to do laser whitening**, and the principle of laser can act on the inside of the ** to decompose the melanin particles in ** to achieve the whitening effect.
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Of course you can, but be careful to avoid light.
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This kind of insect has some medicinal effects, but it is not completely able to ** disease, and can generally be sown in places such as sowing seeds.