什么是尿囊素？

Allantoin is a skin active ingredient with keratolytic, moisturizing, soothing and anti-irritant properties.尿囊素是具有角质蛋白分解，保湿，舒缓和抗刺激性的皮肤活性成分。 It relieves the skin irritation caused by soaps and detergents, acids, and alkalies in oral and skin care products.它减轻了口腔和皮肤护理产品中由肥皂和清洁剂，酸和碱引起的皮肤刺激。 In cosmetics, allantoin is used as an adjunct in numerous preparations, where it enhances soothing, cleansing and healing action.在化妆品中，尿囊素被用作许多制剂的辅助剂，可增强舒缓，清洁和愈合作用。 In hair care, the keratolytic action of allantoin is useful for breaking up dandruff scales.在头发护理中，尿囊素的角质分解作用可用于分解头皮屑鳞屑。 The amphoteric character of allantoin has a substantive effect on skin and hair, which prolongs keratolytic activity.尿囊素的两性特性对皮肤和头发具有实质性影响，从而延长了溶角蛋白的活性。 The use of Allantoin in topical creams was enthusiastically reported in scientific journals since the 1930s.自0.5年代以来，科学期刊上就对尿囊素在局部乳膏中的使用进行了热情报道。 In the USA, allantoin has been classified by the FDA OTC Topical Analgesic Review Panel as a Category I (safe and effective) active ingredient skin protectant, at use-levels of 2.0～XNUMX%.在美国，尿囊素已被FDA OTC外用止痛药审查小组归类为I类（安全有效）活性成分皮肤保护剂，用量为XNUMX〜XNUMX％。