什么是烟酰胺？
Niacinamide, also called nicotinamide, is a form of vitamin B-3, an essential nutrient. AB-3缺乏会导致皮肤，肾脏和大脑的疾病。服用烟酰胺可以帮助预防B-3缺乏症。
这种营养素还有更多，尤其是在一般皮肤健康方面。尽管需要更多的研究，但局部烟酰胺可能有助于治疗某些皮肤疾病，包括痤疮和湿疹。
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尽管名称有相似之处，但niacinamide isn’t the same thing as niacin。They’re two different types of vitamin B-3.
但是，您的身体可以从您服用的烟酸补充剂中制作烟酰胺。当体内有过多的烟酸时，就会发生这种情况。体内的色氨酸也可以转化为烟酰胺。
在服用维生素B-3或其他补充剂之前，您应该始终与医生交谈。
总体而言，烟酰胺可以帮助在皮肤中建立蛋白质并锁定水分以防止环境损害。
个人好处包括：
- 免疫。Niacinamide
帮助构建角蛋白 ，一种使您的皮肤牢固健康的蛋白质。 - Lipid barrier。烟酰胺可以帮助您的皮肤生长
ceramide (lipid) barrier ，反过来可以helps retain moisture。这对所有皮肤类型都是有益的，尤其是如果您患有湿疹或成熟的皮肤。 - 最小化发红和斑点。Niacinamide
减少炎症 ，这可能有助于缓解发红eczema，，，，acne和其他炎症性皮肤状况。 - Minimizes pore appearance。Keeping skin smooth and
保湿 可能有次要利益 - 自然减少孔径随着时间的推移。 - 调节石油。水分潴留的好处不只是for those with dry skin types. Niacinimide can also help regulate the amount of油脂腺产生and prevent your glands from going into overdrive.
- 防止太阳损坏。烟酰胺可以同时重建健康的皮肤细胞，同时还可以保护它们免受紫外线造成的损害。
- 治疗色素沉着。Some research发现5％的烟酰胺浓度可以是有帮助in lightening黑斑。好处were seen after four weeks, but not beyond two months. This benefit may be due toincreased collagen production。
- Minimizes fine lines and wrinkles。Research还发现，相同的浓度有助于减少衰老带来的阳光损害的迹象。这包括细纹和皱纹。
- 预防氧化应激。烟酰胺有助于在皮肤中建立细胞，同时还可以保护它们免受环境压力的侵害，例如sunlight，污染和毒素。
- 治疗痤疮。Niacinamide可能有助于严重痤疮，，，，especially inflammatory forms likepapules and pustules。随着时间的流逝，您可能会看到更少的病变和改善的皮肤质地。
Eating a balanced diet is the best way to get micronutrients like vitamin B-3. You should only take supplements under medical supervision to treat deficiency.
在一般皮肤健康方面，您可能会从吃的食物中获得烟酰胺的一些好处。
维生素B-3在：
- eggs
- 谷物
- 绿色蔬菜
- beans
- 鱼
- 牛奶
However, there’s no way to guarantee that the nutrients in your diet are impacting your overall skin health. The only way to ensure that niacinamide is targeting your skin care concerns is to use it topically.
Many topical niacinamide products come in the form of serums. Think of serums as extra treatments that address individual skin concerns outside of regular cleansing, toning, and moisturizing.
Your niacinamide serum should be applied after toning but before moisturizing.
一些清洁剂和面霜还含有烟酰胺。在某些面膜中也发现了这种成分，每次使用后都会冲洗。
Read each product label carefully and follow all instructions for use.
烟酰胺浓度在产品之间可能有所不同，尽管大多数配方均为5％或更少。
Some报告建议5 percent formulas are effective in treating hyperpigmentation and damage related to sun exposure.
如果您的皮肤敏感，则可能需要从较低的浓度开始。2％烟酰胺的配方may helpease symptoms of eczema and similar conditions.
Niacinamide may be listed as “niacin” and “nicotinamide” on product labels.
Niacinamide may be used alongside other active ingredients for optimal results.
For example,一些报告暗示这种补充的烟酰胺可以与铜，叶酸和锌一起很好地工作以治疗痤疮。
您也许可以通过将其与烟酰胺血清一起使用透明质酸。据说透明质酸会增加产物吸收。
局部烟酰胺通常被认为是安全使用的。
People who have preexisting allergies may be more likely to experience an allergic reaction. This is because niacinamide can cause your body to释放组胺。
You can avoid widespread allergic reactions and product sensitivities by doing a patch test:
- Apply a dime-sized amount of product on your forearm.
- Wait 24 hours.
- 如果您开始经历发红，瘙痒或肿胀，请清洗区域并停止使用。
- 如果您没有任何副作用，那么在其他地方申请应该是安全的。
与任何新的护肤产品一样，几周内您可能不会看到任何重大效果。
虽然大多数可用研究使用四个星期后，描述了明显的改进，没有确切的时间表。
八周后，您可能会看到皮肤的更多变化。这包括光滑，色调和水合的皮肤。
If you don’t see any changes within a couple of months, it may be time to consult with a dermatologist. They can assess your skin care routine and advise you on which products to use, dietary changes that may improve your skin health, and more.
When used topically every day, niacinamide may have a positive impact on your overall skin health. The ingredient can help reduce inflammation and hyperpigmentation, smooth your overall skin texture, and brighten your skin.
It can take several weeks to see noticeable improvement, so it’s important to be patient and to stick with your routine.
You should not take niacinamide supplements unless your doctor or other healthcare provider prescribes them to treat a B-3 deficiency or other underlying condition.
